Re: [MBZ] W126 AC Rebuild

[Kaleb C. Striplin via Mercedes]

Last I remember I put it on the compressor first and slipped it on the crank 
pulley.

Sent from my iPhone

> On Jul 6, 2017, at 2:32 PM, Floyd Thursby via Mercedes 
>  wrote:
> 
> I remember it being a bugger to get over the pulleys on the SD but it was the 
> proper size
> 
> --FT
> 
> 
>> On 7/6/17 2:09 PM, clay via Mercedes wrote:
>> 300SD
>> 
>> The belt may be short, but by very little.  Came with the car.  It was 
>> living in the trunk and the only missing belt was for AC, so … must be AC?  
>> Same Conti as the others.
>> 
>> clay
>> 
>>> On Jul 5, 2017, at 5:41 PM, Kaleb C. Striplin via Mercedes 
>>>  wrote:
>>> 
>>> What car is this? You should not have any trouble getting the belt on 
>>> unless it is too short or you have a pulley somewhere that is too big
>>> 
>>> Sent from my iPhone
>>> 
 On Jul 5, 2017, at 3:06 PM, clay via Mercedes  
 wrote:
 
 Thank you for the offer.  OE compressor and the system holds vacuum for 
 over 4 hours and was sucked down for 90 minutes, so bone dry.  I have the 
 belt that should fit (same as all others up front) I just can not get the 
 distance between spinners short enough to loop over the edge on the 
 compressor. Missing by half an inch maybe.  Might could use some sort of 
 lever to shoe horn it, but I have limited appendages and pry bar on the 
 compressor, hand on belt, is not allowing a spare hand to manipulate shoe 
 horn
 
 clay
 
> On Jul 5, 2017, at 11:34 AM, Dan--- via Mercedes  
> wrote:
> 
> I can pull the pulley from my old compressor if you want it. Mine is a 
> Nippondenso, not an R4.
> 
> Lemme know so I can dig it out of the trash before Friday.
> 
> -D
> 
>> On Jul 5, 2017, at 1:11 PM, clay via Mercedes  
>> wrote:
>> 
>> I like this.  Gives me hope I can make cold in my w126.
>> 
>> The big trouble with Allen is getting the pulley on the compressor.  It 
>> just does not want to get there.
>> 
>> Polei is intact, just waiting for cfc
>> 
>> clay
>> 
>>> On Jul 3, 2017, at 2:07 PM, Dan Penoff via Mercedes 
>>>  wrote:
>>> 
>>> Picked up where I left off on Saturday.  Went to the hose place and got 
>>> humiliated….
>>> 
>>> It never occurred to me that the hose fittings are simply barbed 
>>> fittings with metal ferrules crimped on them.  As a result of this, all 
>>> that needed to be done to re-orient my hose was to put the fitting in a 
>>> vice, place a large pipe wrench on the ferrule, and twist.
>>> 
>>> < head slap >
>>> 
>>> So after that it was a quick trip over to the dealer to pick up some 
>>> plastic rivets for the auxiliary fan shroud to replace the ones that I 
>>> cut off or punched out when I removed it.
>>> 
>>> Got back to the ranch and installed the compressor, the rebuilt 
>>> manifold and the receiver/dryer.  With everything buttoned up I pulled 
>>> a quick vacuum on  the system, closed it up, and started my timer.
>>> 
>>> 15 minutes - still at 30” Hg
>>> 
>>> 30 minutes - 30” Hg
>>> 
>>> 60 minutes - 30” Hg
>>> 
>>> With these results I was pretty sure the system was intact, so I pulled 
>>> a vacuum on it for about an hour and a half to be sure any moisture was 
>>> boiled out of it.  I charged it to about 60% and fired it up.  It made 
>>> cold.  Not ice cubes, and I didn't expect them with this low of a 
>>> charge, but definitely making cold air.  I’m going to button everything 
>>> in the cabin up after replacing the foam drain tube and be done for the 
>>> day.  I figure I’ll sneak up on the charge over the next couple of days 
>>> to get the best efficiency out of the system.
>>> 
>>> While I was under the car I noticed the inside of the front tires are 
>>> wearing, so I’ll take the car over to my tire place tomorrow and have 
>>> them check out the alignment.
>>> 
>>> -D
>>> 
>>> 
>>> 
>>> ___
>>> http://www.okiebenz.com
>>> 
>>> To search list archives http://www.okiebenz.com/archive/
>>> 
>>> To Unsubscribe or change delivery options go to:
>>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
>>> 
>> 
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>> 
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>> 
> 
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> 
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> 
> To Unsubscribe or 

Re: [MBZ] W126 AC Rebuild

[Floyd Thursby via Mercedes]

I remember it being a bugger to get over the pulleys on the SD but it 
was the proper size


--FT


On 7/6/17 2:09 PM, clay via Mercedes wrote:

300SD

The belt may be short, but by very little.  Came with the car.  It was living 
in the trunk and the only missing belt was for AC, so … must be AC?  Same Conti 
as the others.

clay


On Jul 5, 2017, at 5:41 PM, Kaleb C. Striplin via Mercedes 
 wrote:

What car is this? You should not have any trouble getting the belt on unless it 
is too short or you have a pulley somewhere that is too big

Sent from my iPhone


On Jul 5, 2017, at 3:06 PM, clay via Mercedes  wrote:

Thank you for the offer.  OE compressor and the system holds vacuum for over 4 
hours and was sucked down for 90 minutes, so bone dry.  I have the belt that 
should fit (same as all others up front) I just can not get the distance 
between spinners short enough to loop over the edge on the compressor. Missing 
by half an inch maybe.  Might could use some sort of lever to shoe horn it, but 
I have limited appendages and pry bar on the compressor, hand on belt, is not 
allowing a spare hand to manipulate shoe horn

clay


On Jul 5, 2017, at 11:34 AM, Dan--- via Mercedes  wrote:

I can pull the pulley from my old compressor if you want it. Mine is a 
Nippondenso, not an R4.

Lemme know so I can dig it out of the trash before Friday.

-D


On Jul 5, 2017, at 1:11 PM, clay via Mercedes  wrote:

I like this.  Gives me hope I can make cold in my w126.

The big trouble with Allen is getting the pulley on the compressor.  It just 
does not want to get there.

Polei is intact, just waiting for cfc

clay


On Jul 3, 2017, at 2:07 PM, Dan Penoff via Mercedes  
wrote:

Picked up where I left off on Saturday.  Went to the hose place and got 
humiliated….

It never occurred to me that the hose fittings are simply barbed fittings with 
metal ferrules crimped on them.  As a result of this, all that needed to be 
done to re-orient my hose was to put the fitting in a vice, place a large pipe 
wrench on the ferrule, and twist.

< head slap >

So after that it was a quick trip over to the dealer to pick up some plastic 
rivets for the auxiliary fan shroud to replace the ones that I cut off or 
punched out when I removed it.

Got back to the ranch and installed the compressor, the rebuilt manifold and 
the receiver/dryer.  With everything buttoned up I pulled a quick vacuum on  
the system, closed it up, and started my timer.

15 minutes - still at 30” Hg

30 minutes - 30” Hg

60 minutes - 30” Hg

With these results I was pretty sure the system was intact, so I pulled a 
vacuum on it for about an hour and a half to be sure any moisture was boiled 
out of it.  I charged it to about 60% and fired it up.  It made cold.  Not ice 
cubes, and I didn't expect them with this low of a charge, but definitely 
making cold air.  I’m going to button everything in the cabin up after 
replacing the foam drain tube and be done for the day.  I figure I’ll sneak up 
on the charge over the next couple of days to get the best efficiency out of 
the system.

While I was under the car I noticed the inside of the front tires are wearing, 
so I’ll take the car over to my tire place tomorrow and have them check out the 
alignment.

-D



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--
--FT
Winston Churchill:
“Never give in--never, never, never, never, in nothing great or small, large or 
petty,
never give in except to convictions of honor and good sense.
Never yield 

Re: [MBZ] W126 AC Rebuild

[Rick Knoble via Mercedes]

‎Speaking of AC for W126, here's a new video from Pierre H.

‎https://www.youtube.com/watch?v=0RT9rj7anTc=em

Rick
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Re: [MBZ] W126 AC Rebuild

[MG via Mercedes]

The 617 has a small tensioner nut that takes a 10mm socket to 
release or increase the tension on the belt. It moves the 
compressor toward or away from the engine after you have loosened 
the holding bolts. You can see it in the manual pdf 83-522 on 
page 18 as nut 3 on clamping screw 4.  Check the part number on 
the belt and compare with the one sold by on line vendors to make 
sure you have the right one.


clay via Mercedes wrote:

OM617

I had to remove the PS belt and loosened up the compressor bolts enough to 
adjust position of the compressor.  There are no tensioner releases I know of

clay


On Jul 5, 2017, at 1:51 PM, Dan Penoff via Mercedes  
wrote:

Aren’t you using the belt tensioner release?

-D



On Jul 5, 2017, at 4:06 PM, clay via Mercedes  wrote:

Thank you for the offer.  OE compressor and the system holds vacuum for over 4 
hours and was sucked down for 90 minutes, so bone dry.  I have the belt that 
should fit (same as all others up front) I just can not get the distance 
between spinners short enough to loop over the edge on the compressor. Missing 
by half an inch maybe.  Might could use some sort of lever to shoe horn it, but 
I have limited appendages and pry bar on the compressor, hand on belt, is not 
allowing a spare hand to manipulate shoe horn

clay


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Re: [MBZ] W126 AC Rebuild

[Dan--- via Mercedes]

Sounds like it.

I was thinking about my diesel with the OM603. Piece of cake to swap a belt, 
takes all of a couple of minutes.

-D

> On Jul 6, 2017, at 2:13 PM, Kaleb C. Striplin via Mercedes 
>  wrote:
> 
> I bet you got the wrong belt. 
> 
> Sent from my iPhone
> 
>> On Jul 6, 2017, at 1:09 PM, clay via Mercedes  wrote:
>> 
>> 300SD
>> 
>> The belt may be short, but by very little.  Came with the car.  It was 
>> living in the trunk and the only missing belt was for AC, so … must be AC?  
>> Same Conti as the others.
>> 
>> clay


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Re: [MBZ] W126 AC Rebuild

[Kaleb C. Striplin via Mercedes]

I bet you got the wrong belt. 

Sent from my iPhone

> On Jul 6, 2017, at 1:09 PM, clay via Mercedes  wrote:
> 
> 300SD
> 
> The belt may be short, but by very little.  Came with the car.  It was living 
> in the trunk and the only missing belt was for AC, so … must be AC?  Same 
> Conti as the others.
> 
> clay
> 
>> On Jul 5, 2017, at 5:41 PM, Kaleb C. Striplin via Mercedes 
>>  wrote:
>> 
>> What car is this? You should not have any trouble getting the belt on unless 
>> it is too short or you have a pulley somewhere that is too big
>> 
>> Sent from my iPhone
>> 
>>> On Jul 5, 2017, at 3:06 PM, clay via Mercedes  wrote:
>>> 
>>> Thank you for the offer.  OE compressor and the system holds vacuum for 
>>> over 4 hours and was sucked down for 90 minutes, so bone dry.  I have the 
>>> belt that should fit (same as all others up front) I just can not get the 
>>> distance between spinners short enough to loop over the edge on the 
>>> compressor. Missing by half an inch maybe.  Might could use some sort of 
>>> lever to shoe horn it, but I have limited appendages and pry bar on the 
>>> compressor, hand on belt, is not allowing a spare hand to manipulate shoe 
>>> horn
>>> 
>>> clay
>>> 
 On Jul 5, 2017, at 11:34 AM, Dan--- via Mercedes  
 wrote:
 
 I can pull the pulley from my old compressor if you want it. Mine is a 
 Nippondenso, not an R4.
 
 Lemme know so I can dig it out of the trash before Friday.
 
 -D
 
> On Jul 5, 2017, at 1:11 PM, clay via Mercedes  
> wrote:
> 
> I like this.  Gives me hope I can make cold in my w126.  
> 
> The big trouble with Allen is getting the pulley on the compressor.  It 
> just does not want to get there.
> 
> Polei is intact, just waiting for cfc
> 
> clay
> 
>> On Jul 3, 2017, at 2:07 PM, Dan Penoff via Mercedes 
>>  wrote:
>> 
>> Picked up where I left off on Saturday.  Went to the hose place and got 
>> humiliated….
>> 
>> It never occurred to me that the hose fittings are simply barbed 
>> fittings with metal ferrules crimped on them.  As a result of this, all 
>> that needed to be done to re-orient my hose was to put the fitting in a 
>> vice, place a large pipe wrench on the ferrule, and twist.
>> 
>> < head slap >
>> 
>> So after that it was a quick trip over to the dealer to pick up some 
>> plastic rivets for the auxiliary fan shroud to replace the ones that I 
>> cut off or punched out when I removed it.
>> 
>> Got back to the ranch and installed the compressor, the rebuilt manifold 
>> and the receiver/dryer.  With everything buttoned up I pulled a quick 
>> vacuum on  the system, closed it up, and started my timer.
>> 
>> 15 minutes - still at 30” Hg
>> 
>> 30 minutes - 30” Hg
>> 
>> 60 minutes - 30” Hg
>> 
>> With these results I was pretty sure the system was intact, so I pulled 
>> a vacuum on it for about an hour and a half to be sure any moisture was 
>> boiled out of it.  I charged it to about 60% and fired it up.  It made 
>> cold.  Not ice cubes, and I didn't expect them with this low of a 
>> charge, but definitely making cold air.  I’m going to button everything 
>> in the cabin up after replacing the foam drain tube and be done for the 
>> day.  I figure I’ll sneak up on the charge over the next couple of days 
>> to get the best efficiency out of the system.
>> 
>> While I was under the car I noticed the inside of the front tires are 
>> wearing, so I’ll take the car over to my tire place tomorrow and have 
>> them check out the alignment.
>> 
>> -D
>> 
>> 
>> 
>> ___
>> http://www.okiebenz.com
>> 
>> To search list archives http://www.okiebenz.com/archive/
>> 
>> To Unsubscribe or change delivery options go to:
>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
>> 
> 
> 
> ___
> http://www.okiebenz.com
> 
> To search list archives http://www.okiebenz.com/archive/
> 
> To Unsubscribe or change delivery options go to:
> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
> 
 
 
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 To Unsubscribe or change delivery options go to:
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>>> 
>>> 
>>> ___
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>>> 
>>> To search list archives http://www.okiebenz.com/archive/
>>> 
>>> To Unsubscribe or change delivery options go to:
>>> 

Re: [MBZ] W126 AC Rebuild

[clay via Mercedes]

300SD

The belt may be short, but by very little.  Came with the car.  It was living 
in the trunk and the only missing belt was for AC, so … must be AC?  Same Conti 
as the others.

clay

> On Jul 5, 2017, at 5:41 PM, Kaleb C. Striplin via Mercedes 
>  wrote:
> 
> What car is this? You should not have any trouble getting the belt on unless 
> it is too short or you have a pulley somewhere that is too big
> 
> Sent from my iPhone
> 
>> On Jul 5, 2017, at 3:06 PM, clay via Mercedes  wrote:
>> 
>> Thank you for the offer.  OE compressor and the system holds vacuum for over 
>> 4 hours and was sucked down for 90 minutes, so bone dry.  I have the belt 
>> that should fit (same as all others up front) I just can not get the 
>> distance between spinners short enough to loop over the edge on the 
>> compressor. Missing by half an inch maybe.  Might could use some sort of 
>> lever to shoe horn it, but I have limited appendages and pry bar on the 
>> compressor, hand on belt, is not allowing a spare hand to manipulate shoe 
>> horn
>> 
>> clay
>> 
>>> On Jul 5, 2017, at 11:34 AM, Dan--- via Mercedes  
>>> wrote:
>>> 
>>> I can pull the pulley from my old compressor if you want it. Mine is a 
>>> Nippondenso, not an R4.
>>> 
>>> Lemme know so I can dig it out of the trash before Friday.
>>> 
>>> -D
>>> 
 On Jul 5, 2017, at 1:11 PM, clay via Mercedes  
 wrote:
 
 I like this.  Gives me hope I can make cold in my w126.  
 
 The big trouble with Allen is getting the pulley on the compressor.  It 
 just does not want to get there.
 
 Polei is intact, just waiting for cfc
 
 clay
 
> On Jul 3, 2017, at 2:07 PM, Dan Penoff via Mercedes 
>  wrote:
> 
> Picked up where I left off on Saturday.  Went to the hose place and got 
> humiliated….
> 
> It never occurred to me that the hose fittings are simply barbed fittings 
> with metal ferrules crimped on them.  As a result of this, all that 
> needed to be done to re-orient my hose was to put the fitting in a vice, 
> place a large pipe wrench on the ferrule, and twist.
> 
> < head slap >
> 
> So after that it was a quick trip over to the dealer to pick up some 
> plastic rivets for the auxiliary fan shroud to replace the ones that I 
> cut off or punched out when I removed it.
> 
> Got back to the ranch and installed the compressor, the rebuilt manifold 
> and the receiver/dryer.  With everything buttoned up I pulled a quick 
> vacuum on  the system, closed it up, and started my timer.
> 
> 15 minutes - still at 30” Hg
> 
> 30 minutes - 30” Hg
> 
> 60 minutes - 30” Hg
> 
> With these results I was pretty sure the system was intact, so I pulled a 
> vacuum on it for about an hour and a half to be sure any moisture was 
> boiled out of it.  I charged it to about 60% and fired it up.  It made 
> cold.  Not ice cubes, and I didn't expect them with this low of a charge, 
> but definitely making cold air.  I’m going to button everything in the 
> cabin up after replacing the foam drain tube and be done for the day.  I 
> figure I’ll sneak up on the charge over the next couple of days to get 
> the best efficiency out of the system.
> 
> While I was under the car I noticed the inside of the front tires are 
> wearing, so I’ll take the car over to my tire place tomorrow and have 
> them check out the alignment.
> 
> -D
> 
> 
> 
> ___
> http://www.okiebenz.com
> 
> To search list archives http://www.okiebenz.com/archive/
> 
> To Unsubscribe or change delivery options go to:
> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
> 
 
 
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 To Unsubscribe or change delivery options go to:
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>>> 
>>> 
>>> ___
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>>> 
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>>> 
>>> To Unsubscribe or change delivery options go to:
>>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
>>> 
>> 
>> 
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> 
> 
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> 
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Re: [MBZ] W126 AC Rebuild

[clay via Mercedes]

OM617

I had to remove the PS belt and loosened up the compressor bolts enough to 
adjust position of the compressor.  There are no tensioner releases I know of

clay

> On Jul 5, 2017, at 1:51 PM, Dan Penoff via Mercedes  
> wrote:
> 
> Aren’t you using the belt tensioner release?
> 
> -D
> 
> 
>> On Jul 5, 2017, at 4:06 PM, clay via Mercedes  wrote:
>> 
>> Thank you for the offer.  OE compressor and the system holds vacuum for over 
>> 4 hours and was sucked down for 90 minutes, so bone dry.  I have the belt 
>> that should fit (same as all others up front) I just can not get the 
>> distance between spinners short enough to loop over the edge on the 
>> compressor. Missing by half an inch maybe.  Might could use some sort of 
>> lever to shoe horn it, but I have limited appendages and pry bar on the 
>> compressor, hand on belt, is not allowing a spare hand to manipulate shoe 
>> horn
>> 
>> clay
> 
> 
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> 
> To search list archives http://www.okiebenz.com/archive/
> 
> To Unsubscribe or change delivery options go to:
> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
> 


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Re: [MBZ] W126 AC Rebuild

[Kaleb C. Striplin via Mercedes]

What car is this? You should not have any trouble getting the belt on unless it 
is too short or you have a pulley somewhere that is too big

Sent from my iPhone

> On Jul 5, 2017, at 3:06 PM, clay via Mercedes  wrote:
> 
> Thank you for the offer.  OE compressor and the system holds vacuum for over 
> 4 hours and was sucked down for 90 minutes, so bone dry.  I have the belt 
> that should fit (same as all others up front) I just can not get the distance 
> between spinners short enough to loop over the edge on the compressor. 
> Missing by half an inch maybe.  Might could use some sort of lever to shoe 
> horn it, but I have limited appendages and pry bar on the compressor, hand on 
> belt, is not allowing a spare hand to manipulate shoe horn
> 
> clay
> 
>> On Jul 5, 2017, at 11:34 AM, Dan--- via Mercedes  
>> wrote:
>> 
>> I can pull the pulley from my old compressor if you want it. Mine is a 
>> Nippondenso, not an R4.
>> 
>> Lemme know so I can dig it out of the trash before Friday.
>> 
>> -D
>> 
>>> On Jul 5, 2017, at 1:11 PM, clay via Mercedes  wrote:
>>> 
>>> I like this.  Gives me hope I can make cold in my w126.  
>>> 
>>> The big trouble with Allen is getting the pulley on the compressor.  It 
>>> just does not want to get there.
>>> 
>>> Polei is intact, just waiting for cfc
>>> 
>>> clay
>>> 
 On Jul 3, 2017, at 2:07 PM, Dan Penoff via Mercedes 
  wrote:
 
 Picked up where I left off on Saturday.  Went to the hose place and got 
 humiliated….
 
 It never occurred to me that the hose fittings are simply barbed fittings 
 with metal ferrules crimped on them.  As a result of this, all that needed 
 to be done to re-orient my hose was to put the fitting in a vice, place a 
 large pipe wrench on the ferrule, and twist.
 
 < head slap >
 
 So after that it was a quick trip over to the dealer to pick up some 
 plastic rivets for the auxiliary fan shroud to replace the ones that I cut 
 off or punched out when I removed it.
 
 Got back to the ranch and installed the compressor, the rebuilt manifold 
 and the receiver/dryer.  With everything buttoned up I pulled a quick 
 vacuum on  the system, closed it up, and started my timer.
 
 15 minutes - still at 30” Hg
 
 30 minutes - 30” Hg
 
 60 minutes - 30” Hg
 
 With these results I was pretty sure the system was intact, so I pulled a 
 vacuum on it for about an hour and a half to be sure any moisture was 
 boiled out of it.  I charged it to about 60% and fired it up.  It made 
 cold.  Not ice cubes, and I didn't expect them with this low of a charge, 
 but definitely making cold air.  I’m going to button everything in the 
 cabin up after replacing the foam drain tube and be done for the day.  I 
 figure I’ll sneak up on the charge over the next couple of days to get the 
 best efficiency out of the system.
 
 While I was under the car I noticed the inside of the front tires are 
 wearing, so I’ll take the car over to my tire place tomorrow and have them 
 check out the alignment.
 
 -D
 
 
 
 ___
 http://www.okiebenz.com
 
 To search list archives http://www.okiebenz.com/archive/
 
 To Unsubscribe or change delivery options go to:
 http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
 
>>> 
>>> 
>>> ___
>>> http://www.okiebenz.com
>>> 
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>>> 
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Re: [MBZ] W126 AC Rebuild

[Dan Penoff via Mercedes]

Aren’t you using the belt tensioner release?

-D


> On Jul 5, 2017, at 4:06 PM, clay via Mercedes  wrote:
> 
> Thank you for the offer.  OE compressor and the system holds vacuum for over 
> 4 hours and was sucked down for 90 minutes, so bone dry.  I have the belt 
> that should fit (same as all others up front) I just can not get the distance 
> between spinners short enough to loop over the edge on the compressor. 
> Missing by half an inch maybe.  Might could use some sort of lever to shoe 
> horn it, but I have limited appendages and pry bar on the compressor, hand on 
> belt, is not allowing a spare hand to manipulate shoe horn
> 
> clay


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Re: [MBZ] W126 AC Rebuild

[clay via Mercedes]

Thank you for the offer.  OE compressor and the system holds vacuum for over 4 
hours and was sucked down for 90 minutes, so bone dry.  I have the belt that 
should fit (same as all others up front) I just can not get the distance 
between spinners short enough to loop over the edge on the compressor. Missing 
by half an inch maybe.  Might could use some sort of lever to shoe horn it, but 
I have limited appendages and pry bar on the compressor, hand on belt, is not 
allowing a spare hand to manipulate shoe horn

clay

> On Jul 5, 2017, at 11:34 AM, Dan--- via Mercedes  
> wrote:
> 
> I can pull the pulley from my old compressor if you want it. Mine is a 
> Nippondenso, not an R4.
> 
> Lemme know so I can dig it out of the trash before Friday.
> 
> -D
> 
>> On Jul 5, 2017, at 1:11 PM, clay via Mercedes  wrote:
>> 
>> I like this.  Gives me hope I can make cold in my w126.  
>> 
>> The big trouble with Allen is getting the pulley on the compressor.  It just 
>> does not want to get there.
>> 
>> Polei is intact, just waiting for cfc
>> 
>> clay
>> 
>>> On Jul 3, 2017, at 2:07 PM, Dan Penoff via Mercedes  
>>> wrote:
>>> 
>>> Picked up where I left off on Saturday.  Went to the hose place and got 
>>> humiliated….
>>> 
>>> It never occurred to me that the hose fittings are simply barbed fittings 
>>> with metal ferrules crimped on them.  As a result of this, all that needed 
>>> to be done to re-orient my hose was to put the fitting in a vice, place a 
>>> large pipe wrench on the ferrule, and twist.
>>> 
>>> < head slap >
>>> 
>>> So after that it was a quick trip over to the dealer to pick up some 
>>> plastic rivets for the auxiliary fan shroud to replace the ones that I cut 
>>> off or punched out when I removed it.
>>> 
>>> Got back to the ranch and installed the compressor, the rebuilt manifold 
>>> and the receiver/dryer.  With everything buttoned up I pulled a quick 
>>> vacuum on  the system, closed it up, and started my timer.
>>> 
>>> 15 minutes - still at 30” Hg
>>> 
>>> 30 minutes - 30” Hg
>>> 
>>> 60 minutes - 30” Hg
>>> 
>>> With these results I was pretty sure the system was intact, so I pulled a 
>>> vacuum on it for about an hour and a half to be sure any moisture was 
>>> boiled out of it.  I charged it to about 60% and fired it up.  It made 
>>> cold.  Not ice cubes, and I didn't expect them with this low of a charge, 
>>> but definitely making cold air.  I’m going to button everything in the 
>>> cabin up after replacing the foam drain tube and be done for the day.  I 
>>> figure I’ll sneak up on the charge over the next couple of days to get the 
>>> best efficiency out of the system.
>>> 
>>> While I was under the car I noticed the inside of the front tires are 
>>> wearing, so I’ll take the car over to my tire place tomorrow and have them 
>>> check out the alignment.
>>> 
>>> -D
>>> 
>>> 
>>> 
>>> ___
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>>> 
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>>> 
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>> 
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Re: [MBZ] W126 AC Rebuild

[Dan--- via Mercedes]

I can pull the pulley from my old compressor if you want it. Mine is a 
Nippondenso, not an R4.

Lemme know so I can dig it out of the trash before Friday.

-D

> On Jul 5, 2017, at 1:11 PM, clay via Mercedes  wrote:
> 
> I like this.  Gives me hope I can make cold in my w126.  
> 
> The big trouble with Allen is getting the pulley on the compressor.  It just 
> does not want to get there.
> 
> Polei is intact, just waiting for cfc
> 
> clay
> 
>> On Jul 3, 2017, at 2:07 PM, Dan Penoff via Mercedes  
>> wrote:
>> 
>> Picked up where I left off on Saturday.  Went to the hose place and got 
>> humiliated….
>> 
>> It never occurred to me that the hose fittings are simply barbed fittings 
>> with metal ferrules crimped on them.  As a result of this, all that needed 
>> to be done to re-orient my hose was to put the fitting in a vice, place a 
>> large pipe wrench on the ferrule, and twist.
>> 
>> < head slap >
>> 
>> So after that it was a quick trip over to the dealer to pick up some plastic 
>> rivets for the auxiliary fan shroud to replace the ones that I cut off or 
>> punched out when I removed it.
>> 
>> Got back to the ranch and installed the compressor, the rebuilt manifold and 
>> the receiver/dryer.  With everything buttoned up I pulled a quick vacuum on  
>> the system, closed it up, and started my timer.
>> 
>> 15 minutes - still at 30” Hg
>> 
>> 30 minutes - 30” Hg
>> 
>> 60 minutes - 30” Hg
>> 
>> With these results I was pretty sure the system was intact, so I pulled a 
>> vacuum on it for about an hour and a half to be sure any moisture was boiled 
>> out of it.  I charged it to about 60% and fired it up.  It made cold.  Not 
>> ice cubes, and I didn't expect them with this low of a charge, but 
>> definitely making cold air.  I’m going to button everything in the cabin up 
>> after replacing the foam drain tube and be done for the day.  I figure I’ll 
>> sneak up on the charge over the next couple of days to get the best 
>> efficiency out of the system.
>> 
>> While I was under the car I noticed the inside of the front tires are 
>> wearing, so I’ll take the car over to my tire place tomorrow and have them 
>> check out the alignment.
>> 
>> -D
>> 
>> 
>> 
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>> 
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Re: [MBZ] W126 AC Rebuild

[clay via Mercedes]

I like this.  Gives me hope I can make cold in my w126.  

The big trouble with Allen is getting the pulley on the compressor.  It just 
does not want to get there.

Polei is intact, just waiting for cfc

clay

> On Jul 3, 2017, at 2:07 PM, Dan Penoff via Mercedes  
> wrote:
> 
> Picked up where I left off on Saturday.  Went to the hose place and got 
> humiliated….
> 
> It never occurred to me that the hose fittings are simply barbed fittings 
> with metal ferrules crimped on them.  As a result of this, all that needed to 
> be done to re-orient my hose was to put the fitting in a vice, place a large 
> pipe wrench on the ferrule, and twist.
> 
> < head slap >
> 
> So after that it was a quick trip over to the dealer to pick up some plastic 
> rivets for the auxiliary fan shroud to replace the ones that I cut off or 
> punched out when I removed it.
> 
> Got back to the ranch and installed the compressor, the rebuilt manifold and 
> the receiver/dryer.  With everything buttoned up I pulled a quick vacuum on  
> the system, closed it up, and started my timer.
> 
> 15 minutes - still at 30” Hg
> 
> 30 minutes - 30” Hg
> 
> 60 minutes - 30” Hg
> 
> With these results I was pretty sure the system was intact, so I pulled a 
> vacuum on it for about an hour and a half to be sure any moisture was boiled 
> out of it.  I charged it to about 60% and fired it up.  It made cold.  Not 
> ice cubes, and I didn't expect them with this low of a charge, but definitely 
> making cold air.  I’m going to button everything in the cabin up after 
> replacing the foam drain tube and be done for the day.  I figure I’ll sneak 
> up on the charge over the next couple of days to get the best efficiency out 
> of the system.
> 
> While I was under the car I noticed the inside of the front tires are 
> wearing, so I’ll take the car over to my tire place tomorrow and have them 
> check out the alignment.
> 
> -D
> 
> 
> 
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> 
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> 
> To Unsubscribe or change delivery options go to:
> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
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Re: [MBZ] W126 AC Rebuild

[Floyd Thursby via Mercedes]

Can't see if that has 2 rows but if it says 4 pass I guess it does since 
each loop goes back and forth X2.  It looks like the retrofit on my car 
was done right, there is a sticker there and everything, so maybe I can 
get by with just the compressor and flush, etc. though it was starting 
to leak down.  Rings?  It BLEW ICE COLD before it gakked.


--FT


On 7/4/17 1:57 PM, Dan Penoff via Mercedes wrote:

This is what I put in:

http://www.klimakit.com/product/parallel-flow-condenser-upgrade-kit-w126/ 


If your condenser fittings are at the upper right corner looking at the car 
from the front, this fits.  You can probably find one of these for less from 
some of the hot rod AC retrofit places, but you would have to fabricate your 
own brackets.

-D



On Jul 4, 2017, at 1:50 PM, Floyd Thursby via Mercedes  
wrote:

SO I was looking at the condenser in the SD that the compressor munched on and 
it has 2 rows of tubes -- is that standard or like the one you put in?

--FT


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--
--FT
Winston Churchill:
“Never give in--never, never, never, never, in nothing great or small, large or 
petty,
never give in except to convictions of honor and good sense.
Never yield to force; never yield to the apparently overwhelming might of the 
enemy.”


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Re: [MBZ] W126 AC Rebuild

[Dan Penoff via Mercedes]

This is what I put in:

http://www.klimakit.com/product/parallel-flow-condenser-upgrade-kit-w126/ 


If your condenser fittings are at the upper right corner looking at the car 
from the front, this fits.  You can probably find one of these for less from 
some of the hot rod AC retrofit places, but you would have to fabricate your 
own brackets.

-D


> On Jul 4, 2017, at 1:50 PM, Floyd Thursby via Mercedes 
>  wrote:
> 
> SO I was looking at the condenser in the SD that the compressor munched on 
> and it has 2 rows of tubes -- is that standard or like the one you put in?
> 
> --FT
> 

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Re: [MBZ] W126 AC Rebuild

[Dan Penoff via Mercedes]

That a boy, Max.  My ability to fix stuff saves lots and allows me to justify 
spending money on cars….

-D


> On Jul 4, 2017, at 1:43 PM, Meade Dillon via Mercedes  
> wrote:
> 
> Speaking of which, I was marveling this a.m. about how I fixed our in-wall
> microwave with a $10 fuse, thanks to Jim's help and his sharing this
> website:
> 
> http://www.repairfaq.org/sam/micfaq.htm
> 
> Which led me to this one, another gem:
> 
> http://www.repairfaq.org/sam/tshoot.htm
> 
> Replacement costs for a built-in-wall combination microwave / oven start at
> about $1500 and go up.  Avoiding that cost, I've got a lot more money for
> cheap MBs...
> 
> -
> Max
> Charleston SC
> 


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Re: [MBZ] W126 AC Rebuild

[Floyd Thursby via Mercedes]

SO I was looking at the condenser in the SD that the compressor munched 
on and it has 2 rows of tubes -- is that standard or like the one you 
put in?


--FT


On 7/4/17 11:06 AM, Dan Penoff via Mercedes wrote:

That’s the whole idea behind the parallel flow condenser in a (former) R12 
system.  The stock condenser is a single pass condenser and doesn’t have enough 
surface area for R134a to properly condense.  The stock condenser has a very 
different internal design which is ineffective for R134a to condense, so in a 
conversion you’re getting both gas and liquid out of the (stock) condenser.  
The parallel flow (four pass versus the stock single pass) is about 30% more 
efficient than the stock condenser with R134a, and typical of current designs 
for R134a systems.

-D




On Jul 4, 2017, at 10:27 AM, Floyd Thursby via Mercedes  
wrote:

Do you think the new condenser is better suited to 134 than 12?

--FT



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--
--FT
Winston Churchill:
“Never give in--never, never, never, never, in nothing great or small, large or 
petty,
never give in except to convictions of honor and good sense.
Never yield to force; never yield to the apparently overwhelming might of the 
enemy.”


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Re: [MBZ] W126 AC Rebuild

[Meade Dillon via Mercedes]

Speaking of which, I was marveling this a.m. about how I fixed our in-wall
microwave with a $10 fuse, thanks to Jim's help and his sharing this
website:

http://www.repairfaq.org/sam/micfaq.htm

Which led me to this one, another gem:

http://www.repairfaq.org/sam/tshoot.htm

Replacement costs for a built-in-wall combination microwave / oven start at
about $1500 and go up.  Avoiding that cost, I've got a lot more money for
cheap MBs...

-
Max
Charleston SC

On Tue, Jul 4, 2017 at 12:23 PM, Rick Knoble via Mercedes <
mercedes@okiebenz.com> wrote:

> Andrew sez:
>
> >World's shortest list: Problems Dan can 't >solve.
>
> Or Jaime, or Peter Frederick, or Jim, or
>
> We have more than several very intelligent, informed persons on this list,
> ready to share their knowledge and experience with a simple inquiry.
> Listening to said advice and implementing it, for some of us, is quite
> difficult it seems sometimes
>
>
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Re: [MBZ] W126 AC Rebuild

[Dan Penoff via Mercedes]

Thank you, Rick.  There’s nothing magical or unique about repairing cars or 
anything else, for that matter.  It just takes time, initiative and tools.

Plenty of far more skilled folks in this group than I.

-D


> On Jul 4, 2017, at 12:23 PM, Rick Knoble via Mercedes  
> wrote:
> 
> Andrew sez:
> 
>> World's shortest list: Problems Dan can 't >solve.
> 
> Or Jaime, or Peter Frederick, or Jim, or
> 
> We have more than several very intelligent, informed persons on this list, 
> ready to share their knowledge and experience with a simple inquiry. 
> Listening to said advice and implementing it, for some of us, is quite 
> difficult it seems sometimes
> 
> Rick
> ___
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> 
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> 
> To Unsubscribe or change delivery options go to:
> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
> 
> 


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Re: [MBZ] W126 AC Rebuild

[Rick Knoble via Mercedes]

Andrew sez:

>World's shortest list: Problems Dan can 't >solve.

Or Jaime, or Peter Frederick, or Jim, or

We have more than several very intelligent, informed persons on this list, 
ready to share their knowledge and experience with a simple inquiry. Listening 
to said advice and implementing it, for some of us, is quite difficult it seems 
sometimes

Rick
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Re: [MBZ] W126 AC Rebuild

[Dan Penoff via Mercedes]

Because there is no “proper charge” in a conversion.  The best way is to work 
off pressures and temperatures.

If you look around you’ll see percentages of R12 to R134a running from 70%-95% 
suggested for converted systems.

-D
 
> On Jul 4, 2017, at 11:22 AM, Kaleb C. Striplin via Mercedes 
>  wrote:
> 
> Holy crap man, why didn't you just put in the proper charge at the get go and 
> be done with it?
> 
> Sent from my iPhone
> 


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Re: [MBZ] W126 AC Rebuild

[Kaleb C. Striplin via Mercedes]

Holy crap man, why didn't you just put in the proper charge at the get go and 
be done with it?

Sent from my iPhone

> On Jul 4, 2017, at 9:02 AM, Dan Penoff via Mercedes  
> wrote:
> 
> Some observations after a drive this morning:
> 
> 74F ambient, 55F-60F vent temperatures.  Note that I only filled the system 
> to about 60-70% initially.  I’ll continue to sneak up on the refrigerant fill 
> as I continue to drive and the ambients get higher - it will be in the 90s 
> today, for sure.
> 
> While it’s difficult to nail it down to any particular component, I have to 
> believe the parallel flow contributes significantly to the efficiency of the 
> system.  I say that because with the original condenser the cooling capacity 
> would drop off noticeably at idle or when the vehicle was stopped.  During my 
> drive today I noticed no difference in vent temperatures at idle to when 
> stopped.
> 
> I’ll continue to observe and report as I drive the car more.  Tomorrow is a 
> work day and means that I’ll be doing my normal commute at both surface 
> street and highway speeds.  All I all I’m very pleased with the way things 
> are working at this point. As I see how well the system cools at higher 
> ambients I’ll continue to add refrigerant in small amounts.
> 
> -D
> 
> 
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Re: [MBZ] W126 AC Rebuild

[Dan Penoff via Mercedes]

That’s the whole idea behind the parallel flow condenser in a (former) R12 
system.  The stock condenser is a single pass condenser and doesn’t have enough 
surface area for R134a to properly condense.  The stock condenser has a very 
different internal design which is ineffective for R134a to condense, so in a 
conversion you’re getting both gas and liquid out of the (stock) condenser.  
The parallel flow (four pass versus the stock single pass) is about 30% more 
efficient than the stock condenser with R134a, and typical of current designs 
for R134a systems.

-D



> On Jul 4, 2017, at 10:27 AM, Floyd Thursby via Mercedes 
>  wrote:
> 
> Do you think the new condenser is better suited to 134 than 12?
> 
> --FT
> 


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Re: [MBZ] W126 AC Rebuild

[Curley McLain via Mercedes]

GOOD info!


Dan Penoff via Mercedes 
July 4, 2017 at 9:02 AM
Some observations after a drive this morning:

74F ambient, 55F-60F vent temperatures. Note that I only filled the 
system to about 60-70% initially. I’ll continue to sneak up on the 
refrigerant fill as I continue to drive and the ambients get higher - 
it will be in the 90s today, for sure.


While it’s difficult to nail it down to any particular component, I 
have to believe the parallel flow contributes significantly to the 
efficiency of the system. I say that because with the original 
condenser the cooling capacity would drop off noticeably at idle or 
when the vehicle was stopped. During my drive today I noticed no 
difference in vent temperatures at idle to when stopped.


I’ll continue to observe and report as I drive the car more. Tomorrow 
is a work day and means that I’ll be doing my normal commute at both 
surface street and highway speeds. All I all I’m very pleased with the 
way things are working at this point. As I see how well the system 
cools at higher ambients I’ll continue to add refrigerant in small 
amounts.


-D



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Re: [MBZ] W126 AC Rebuild

[Floyd Thursby via Mercedes]

Do you think the new condenser is better suited to 134 than 12?

--FT


On 7/4/17 10:02 AM, Dan Penoff via Mercedes wrote:

Some observations after a drive this morning:

74F ambient, 55F-60F vent temperatures.  Note that I only filled the system to 
about 60-70% initially.  I’ll continue to sneak up on the refrigerant fill as I 
continue to drive and the ambients get higher - it will be in the 90s today, 
for sure.

While it’s difficult to nail it down to any particular component, I have to 
believe the parallel flow contributes significantly to the efficiency of the 
system.  I say that because with the original condenser the cooling capacity 
would drop off noticeably at idle or when the vehicle was stopped.  During my 
drive today I noticed no difference in vent temperatures at idle to when 
stopped.

I’ll continue to observe and report as I drive the car more.  Tomorrow is a 
work day and means that I’ll be doing my normal commute at both surface street 
and highway speeds.  All I all I’m very pleased with the way things are working 
at this point. As I see how well the system cools at higher ambients I’ll 
continue to add refrigerant in small amounts.

-D


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--
--FT
Winston Churchill:
“Never give in--never, never, never, never, in nothing great or small, large or 
petty,
never give in except to convictions of honor and good sense.
Never yield to force; never yield to the apparently overwhelming might of the 
enemy.”


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Re: [MBZ] W126 AC Rebuild

[Andrew Strasfogel via Mercedes]

World's shortest list:  Problems Dan can 't solve.

On Tue, Jul 4, 2017 at 10:02 AM, Dan Penoff via Mercedes <
mercedes@okiebenz.com> wrote:

> Some observations after a drive this morning:
>
> 74F ambient, 55F-60F vent temperatures.  Note that I only filled the
> system to about 60-70% initially.  I’ll continue to sneak up on the
> refrigerant fill as I continue to drive and the ambients get higher - it
> will be in the 90s today, for sure.
>
> While it’s difficult to nail it down to any particular component, I have
> to believe the parallel flow contributes significantly to the efficiency of
> the system.  I say that because with the original condenser the cooling
> capacity would drop off noticeably at idle or when the vehicle was
> stopped.  During my drive today I noticed no difference in vent
> temperatures at idle to when stopped.
>
> I’ll continue to observe and report as I drive the car more.  Tomorrow is
> a work day and means that I’ll be doing my normal commute at both surface
> street and highway speeds.  All I all I’m very pleased with the way things
> are working at this point. As I see how well the system cools at higher
> ambients I’ll continue to add refrigerant in small amounts.
>
> -D
>
>
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Re: [MBZ] W126 AC Rebuild

[Dan Penoff via Mercedes]

Some observations after a drive this morning:

74F ambient, 55F-60F vent temperatures.  Note that I only filled the system to 
about 60-70% initially.  I’ll continue to sneak up on the refrigerant fill as I 
continue to drive and the ambients get higher - it will be in the 90s today, 
for sure.

While it’s difficult to nail it down to any particular component, I have to 
believe the parallel flow contributes significantly to the efficiency of the 
system.  I say that because with the original condenser the cooling capacity 
would drop off noticeably at idle or when the vehicle was stopped.  During my 
drive today I noticed no difference in vent temperatures at idle to when 
stopped.

I’ll continue to observe and report as I drive the car more.  Tomorrow is a 
work day and means that I’ll be doing my normal commute at both surface street 
and highway speeds.  All I all I’m very pleased with the way things are working 
at this point. As I see how well the system cools at higher ambients I’ll 
continue to add refrigerant in small amounts.

-D


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Re: [MBZ] W126 AC Rebuild

[Curley McLain via Mercedes]

Waytago!

Yeoman's work, as usual.


Dan Penoff via Mercedes 
July 3, 2017 at 4:07 PM
Picked up where I left off on Saturday. Went to the hose place and got 
humiliated….


It never occurred to me that the hose fittings are simply barbed 
fittings with metal ferrules crimped on them. As a result of this, all 
that needed to be done to re-orient my hose was to put the fitting in 
a vice, place a large pipe wrench on the ferrule, and twist.


< head slap >

So after that it was a quick trip over to the dealer to pick up some 
plastic rivets for the auxiliary fan shroud to replace the ones that I 
cut off or punched out when I removed it.


Got back to the ranch and installed the compressor, the rebuilt 
manifold and the receiver/dryer. With everything buttoned up I pulled 
a quick vacuum on the system, closed it up, and started my timer.


15 minutes - still at 30” Hg

30 minutes - 30” Hg

60 minutes - 30” Hg

With these results I was pretty sure the system was intact, so I 
pulled a vacuum on it for about an hour and a half to be sure any 
moisture was boiled out of it. I charged it to about 60% and fired it 
up. It made cold. Not ice cubes, and I didn't expect them with this 
low of a charge, but definitely making cold air. I’m going to button 
everything in the cabin up after replacing the foam drain tube and be 
done for the day. I figure I’ll sneak up on the charge over the next 
couple of days to get the best efficiency out of the system.


While I was under the car I noticed the inside of the front tires are 
wearing, so I’ll take the car over to my tire place tomorrow and have 
them check out the alignment.


-D



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Dan Penoff via Mercedes 
July 1, 2017 at 5:11 PM
Sort of. Rebuilding the major hose assembly was half the cost of new. 
They could have rebuilt the others, but I don’t think it would have 
been as cost effective. New compressor cost me about $225 including an 
expansion valve and receiver/dryer.


But I’ve got a hard stop now…

Poop.

Looks like I'm done until Monday. I got the compressor out and 
everything swapped over to the new compressor. I was sighting the 
manifold that I had rebuilt by my local industrial hose place and 
thought, "Gee, that fitting to the condenser doesn't look right."


That's because they assembled the new hose with the fitting to the 
condenser off by 180 degrees. Dang it!


So I've got a hard stop until I can take it back to them and get it 
fixed. They'll have to cut the crimp off, rotate the fitting, and 
recrimp it. Not a big deal to do, but it really sucks as I was just 
about to close up the system and start pulling a vacuum.


So the thread will be suspended until Monday, I guess. Good thing I 
took the day off.


-D




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Max Dillon via Mercedes 
July 1, 2017 at 4:10 PM
So hoses are as much as a new compressor, even using a local rebuild 
shop.

Dan Penoff via Mercedes 
July 1, 2017 at 3:42 PM
New from receiver/dryer to expansion valve, expansion valve to fitting 
on false firewall. Total was about $170 new from Mercedes. Manifold 
that connects to the compressor has two hoses on it, had the whole 
thing rebuilt at Amazon Hose here in Tampa and it cost me $150. It 
goes from fitting on false firewall to compressor, compressor to 
condenser. New assembly from Mercedes would have been about $320 my 
cost and the only one they had was in Germany, so it would have been a 
week to get it. Amazon rebuilt my hose in a day.


Hose from condenser to receiver/dryer was included with condenser.

So all hoses have been replaced with new barrier style hose. All new O 
rings, of course, too.


-D




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Meade Dillon via Mercedes 
July 1, 2017 at 3:36 PM
Did you end up purchasing new AC hoses, or did you get one rebuilt? If
rebuilt, what was the price?

-
Max
Charleston SC

On Sat, Jul 1, 2017 at 4:33 PM, Dan Penoff via Mercedes <
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Re: [MBZ] W126 AC Rebuild

[M. Mitchell Marmel via Mercedes]

ATTABOY!

On Mon, Jul 3, 2017 at 4:07 PM, Dan Penoff via Mercedes <
mercedes@okiebenz.com> wrote:

> Picked up where I left off on Saturday.  Went to the hose place and got
> humiliated….
>
> It never occurred to me that the hose fittings are simply barbed fittings
> with metal ferrules crimped on them.  As a result of this, all that needed
> to be done to re-orient my hose was to put the fitting in a vice, place a
> large pipe wrench on the ferrule, and twist.
>
> < head slap >
>
> So after that it was a quick trip over to the dealer to pick up some
> plastic rivets for the auxiliary fan shroud to replace the ones that I cut
> off or punched out when I removed it.
>
> Got back to the ranch and installed the compressor, the rebuilt manifold
> and the receiver/dryer.  With everything buttoned up I pulled a quick
> vacuum on  the system, closed it up, and started my timer.
>
> 15 minutes - still at 30” Hg
>
> 30 minutes - 30” Hg
>
> 60 minutes - 30” Hg
>
> With these results I was pretty sure the system was intact, so I pulled a
> vacuum on it for about an hour and a half to be sure any moisture was
> boiled out of it.  I charged it to about 60% and fired it up.  It made
> cold.  Not ice cubes, and I didn't expect them with this low of a charge,
> but definitely making cold air.  I’m going to button everything in the
> cabin up after replacing the foam drain tube and be done for the day.  I
> figure I’ll sneak up on the charge over the next couple of days to get the
> best efficiency out of the system.
>
> While I was under the car I noticed the inside of the front tires are
> wearing, so I’ll take the car over to my tire place tomorrow and have them
> check out the alignment.
>
> -D
>
>
>
> ___
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>
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>
> To Unsubscribe or change delivery options go to:
> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
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Re: [MBZ] W126 AC Rebuild

[Dan Penoff via Mercedes]

Picked up where I left off on Saturday.  Went to the hose place and got 
humiliated….

It never occurred to me that the hose fittings are simply barbed fittings with 
metal ferrules crimped on them.  As a result of this, all that needed to be 
done to re-orient my hose was to put the fitting in a vice, place a large pipe 
wrench on the ferrule, and twist.

< head slap >

So after that it was a quick trip over to the dealer to pick up some plastic 
rivets for the auxiliary fan shroud to replace the ones that I cut off or 
punched out when I removed it.

Got back to the ranch and installed the compressor, the rebuilt manifold and 
the receiver/dryer.  With everything buttoned up I pulled a quick vacuum on  
the system, closed it up, and started my timer.

15 minutes - still at 30” Hg

30 minutes - 30” Hg

60 minutes - 30” Hg

With these results I was pretty sure the system was intact, so I pulled a 
vacuum on it for about an hour and a half to be sure any moisture was boiled 
out of it.  I charged it to about 60% and fired it up.  It made cold.  Not ice 
cubes, and I didn't expect them with this low of a charge, but definitely 
making cold air.  I’m going to button everything in the cabin up after 
replacing the foam drain tube and be done for the day.  I figure I’ll sneak up 
on the charge over the next couple of days to get the best efficiency out of 
the system.

While I was under the car I noticed the inside of the front tires are wearing, 
so I’ll take the car over to my tire place tomorrow and have them check out the 
alignment.

-D



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Re: [MBZ] W126 AC Rebuild

[Dan Penoff via Mercedes]

Sort of. Rebuilding the major hose assembly was half the cost of new.  They 
could have rebuilt the others, but I don’t think it would have been as cost 
effective.  New compressor cost me about $225 including an expansion valve and 
receiver/dryer.

But I’ve got a hard stop now…

Poop.

Looks like I'm done until Monday.  I got the compressor out and everything 
swapped over to the new compressor.  I was sighting the manifold that I had 
rebuilt by my local industrial hose place and thought, "Gee, that fitting to 
the condenser doesn't look right."

That's because they assembled the new hose with the fitting to the condenser 
off by 180 degrees.  Dang it!

So I've got a hard stop until I can take it back to them and get it fixed.  
They'll have to cut the crimp off, rotate the fitting, and recrimp it.  Not a 
big deal to do, but it really sucks as I was just about to close up the system 
and start pulling a vacuum.

So the thread will be suspended until Monday, I guess. Good thing I took the 
day off.

-D


> On Jul 1, 2017, at 5:10 PM, Max Dillon via Mercedes  
> wrote:
> 
> So hoses are as much as a new compressor, even using a local rebuild shop.  
> -- 
> Max Dillon
> Charleston SC
> '87 300TD
> '95 E300
> 


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Re: [MBZ] W126 AC Rebuild

[Max Dillon via Mercedes]

So hoses are as much as a new compressor, even using a local rebuild shop.  
-- 
Max Dillon
Charleston SC
'87 300TD
'95 E300

On July 1, 2017 4:42:42 PM EDT, Dan Penoff via Mercedes  
wrote:
>New from receiver/dryer to expansion valve, expansion valve to fitting
>on false firewall.  Total was about $170 new from Mercedes.  Manifold
>that connects to the compressor has two hoses on it, had the whole
>thing rebuilt at Amazon Hose here in Tampa and it cost me $150.  It
>goes from fitting on false firewall to compressor, compressor to
>condenser.  New assembly from Mercedes would have been about $320 my
>cost and the only one they had was in Germany, so it would have been a
>week to get it.  Amazon rebuilt my hose in a day.
>
>Hose from condenser to receiver/dryer was included with condenser.
>
>So all hoses have been replaced with new barrier style hose.  All new O
>rings, of course, too.
>
>-D
>
>
>> On Jul 1, 2017, at 4:36 PM, Meade Dillon via Mercedes
> wrote:
>> 
>> Did you end up purchasing new AC hoses, or did you get one rebuilt?
>If
>> rebuilt, what was the price?
>> 
>> -
>> Max
>> Charleston SC
>> 
>> On Sat, Jul 1, 2017 at 4:33 PM, Dan Penoff via Mercedes <
>> mercedes@okiebenz.com> wrote:
>> 
>>> Parallel flow condenser is installed and radiator is back in.  Gotta
>>> connect up the hoses and it will be done.
>>> 
>>> Aux fan arrangement is a little sketchy, but I think it will work
>out OK
>>> as soon as I get some more fasteners for the fan shroud of the aux
>fans.
>>> 
>>> After this, compressor swap!
>>> 
>>> 
>> ___
>> http://www.okiebenz.com
>> 
>> To search list archives http://www.okiebenz.com/archive/
>> 
>> To Unsubscribe or change delivery options go to:
>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
>> 
>> 
>
>
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Re: [MBZ] W126 AC Rebuild

[Floyd Thursby via Mercedes]

We need a parts list and instruction manual for this job.

--FT


On 7/1/17 4:42 PM, Dan Penoff via Mercedes wrote:

New from receiver/dryer to expansion valve, expansion valve to fitting on false 
firewall.  Total was about $170 new from Mercedes.  Manifold that connects to 
the compressor has two hoses on it, had the whole thing rebuilt at Amazon Hose 
here in Tampa and it cost me $150.  It goes from fitting on false firewall to 
compressor, compressor to condenser.  New assembly from Mercedes would have 
been about $320 my cost and the only one they had was in Germany, so it would 
have been a week to get it.  Amazon rebuilt my hose in a day.

Hose from condenser to receiver/dryer was included with condenser.

So all hoses have been replaced with new barrier style hose.  All new O rings, 
of course, too.

-D



On Jul 1, 2017, at 4:36 PM, Meade Dillon via Mercedes  
wrote:

Did you end up purchasing new AC hoses, or did you get one rebuilt? If
rebuilt, what was the price?

-
Max
Charleston SC

On Sat, Jul 1, 2017 at 4:33 PM, Dan Penoff via Mercedes <
mercedes@okiebenz.com> wrote:


Parallel flow condenser is installed and radiator is back in.  Gotta
connect up the hoses and it will be done.

Aux fan arrangement is a little sketchy, but I think it will work out OK
as soon as I get some more fasteners for the fan shroud of the aux fans.

After this, compressor swap!



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--
--FT
Winston Churchill:
“Never give in--never, never, never, never, in nothing great or small, large or 
petty,
never give in except to convictions of honor and good sense.
Never yield to force; never yield to the apparently overwhelming might of the 
enemy.”


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Re: [MBZ] W126 AC Rebuild

[Dan Penoff via Mercedes]

New from receiver/dryer to expansion valve, expansion valve to fitting on false 
firewall.  Total was about $170 new from Mercedes.  Manifold that connects to 
the compressor has two hoses on it, had the whole thing rebuilt at Amazon Hose 
here in Tampa and it cost me $150.  It goes from fitting on false firewall to 
compressor, compressor to condenser.  New assembly from Mercedes would have 
been about $320 my cost and the only one they had was in Germany, so it would 
have been a week to get it.  Amazon rebuilt my hose in a day.

Hose from condenser to receiver/dryer was included with condenser.

So all hoses have been replaced with new barrier style hose.  All new O rings, 
of course, too.

-D


> On Jul 1, 2017, at 4:36 PM, Meade Dillon via Mercedes  
> wrote:
> 
> Did you end up purchasing new AC hoses, or did you get one rebuilt? If
> rebuilt, what was the price?
> 
> -
> Max
> Charleston SC
> 
> On Sat, Jul 1, 2017 at 4:33 PM, Dan Penoff via Mercedes <
> mercedes@okiebenz.com> wrote:
> 
>> Parallel flow condenser is installed and radiator is back in.  Gotta
>> connect up the hoses and it will be done.
>> 
>> Aux fan arrangement is a little sketchy, but I think it will work out OK
>> as soon as I get some more fasteners for the fan shroud of the aux fans.
>> 
>> After this, compressor swap!
>> 
>> 
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> 
> To Unsubscribe or change delivery options go to:
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> 
> 


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Re: [MBZ] W126 AC Rebuild

[Kaleb C. Striplin via Mercedes]

Hopefully you got some pics 

Sent from my iPhone

> On Jul 1, 2017, at 3:33 PM, Dan Penoff via Mercedes  
> wrote:
> 
> Parallel flow condenser is installed and radiator is back in.  Gotta connect 
> up the hoses and it will be done.
> 
> Aux fan arrangement is a little sketchy, but I think it will work out OK as 
> soon as I get some more fasteners for the fan shroud of the aux fans.
> 
> After this, compressor swap!
> 
> -D
> 
> 
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> 
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> 
> To Unsubscribe or change delivery options go to:
> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
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Re: [MBZ] W126 AC Rebuild

[Meade Dillon via Mercedes]

Did you end up purchasing new AC hoses, or did you get one rebuilt? If
rebuilt, what was the price?

-
Max
Charleston SC

On Sat, Jul 1, 2017 at 4:33 PM, Dan Penoff via Mercedes <
mercedes@okiebenz.com> wrote:

> Parallel flow condenser is installed and radiator is back in.  Gotta
> connect up the hoses and it will be done.
>
> Aux fan arrangement is a little sketchy, but I think it will work out OK
> as soon as I get some more fasteners for the fan shroud of the aux fans.
>
> After this, compressor swap!
>
>
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Re: [MBZ] W126 AC Rebuild

[Dan Penoff via Mercedes]

Parallel flow condenser is installed and radiator is back in.  Gotta connect up 
the hoses and it will be done.

Aux fan arrangement is a little sketchy, but I think it will work out OK as 
soon as I get some more fasteners for the fan shroud of the aux fans.

After this, compressor swap!

-D


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Re: [MBZ] W126 AC Rebuild

[Dan Penoff via Mercedes]

Just got the fittings on the expansion valve tightened and the hoses routed 
through the false firewall and put all of that together.  Whew!  I won't put 
the interior back together until I've been able to test the system in the event 
I have issues with the expansion valve fittings, which I don't expect.

Next I'll be draining the cooling system so I can remove the radiator and 
install the new parallel flow condenser.  Pretty straightforward job and 
doesn't involve getting down on my hands and knees much, thank goodness.

After that will be the compressor swap and the installation of the remaining 
lines and receiver/dryer.  If I’m living right I might have this thing back 
together by the end of the day.  It’s wicked hot and humid here today, so I’m 
pacing myself to prevent getting overheated…

-D
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Re: [MBZ] W126 AC Rebuild

[Max Dillon via Mercedes]

Bravo!  Thanks for the report!
-- 
Max Dillon
Charleston SC
'87 300TD
'95 E300

On June 30, 2017 8:19:40 PM EDT, Dan Penoff via Mercedes 
 wrote:
>So I’m maybe another hour into the job and I’ve already replaced the
>two hoses to the expansion valve and got the new expansion valve with
>all new O rings all the way around and the fittings snugged down finger
>tight.
>
>While it hasn’t been a fun job, it wasn’t nearly as bad I thought it
>might be.
>
>I’m going to head back out for the final push of the evening and get
>the bulkhead seal on the hoses in place and the false firewall and
>related stuff back together.  That way in the morning I can start in on
>the condenser and compressor before the day gets blazing hot.
>
>-D
>
>
>> On Jun 30, 2017, at 5:47 PM, Dan Penoff via Mercedes
> wrote:
>> 
>> I'm about 45 minutes in and already have the hose fittings removed
>from the expansion valve. Rather than continue on in this area, I'm
>going to start working on removing and replacing the two hoses to the
>expansion valve so I can have them in and ready to go with the new
>expansion valve.
>> 
>> I destroyed the drain tube, but it was getting pretty grungy anyway.
>I'll put a solid piece of tubing in to replace it when I get ready to
>button up.
>> 
>> I was able to get to the top bolt on the support rod behind the
>instrument cluster from below, so I didn't pull the cluster. One less
>thing to disturb.
>> 
>> After I hydrate I'll head back out and get under the hood to start in
>on replacing the hoses to the expansion valve. This will involve
>removing part of the false firewall and a lot of tie wraps from the
>looks of things.
>> 
>> Good progress so far.  I expect to be slowed down with the hose
>replacements, as there’s a lot of stuff in the way.
>> 
>> -D
>> 
>> 
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>> 
>
>
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Re: [MBZ] W126 AC Rebuild

[Dan Penoff via Mercedes]

So I’m maybe another hour into the job and I’ve already replaced the two hoses 
to the expansion valve and got the new expansion valve with all new O rings all 
the way around and the fittings snugged down finger tight.

While it hasn’t been a fun job, it wasn’t nearly as bad I thought it might be.

I’m going to head back out for the final push of the evening and get the 
bulkhead seal on the hoses in place and the false firewall and related stuff 
back together.  That way in the morning I can start in on the condenser and 
compressor before the day gets blazing hot.

-D


> On Jun 30, 2017, at 5:47 PM, Dan Penoff via Mercedes  
> wrote:
> 
> I'm about 45 minutes in and already have the hose fittings removed from the 
> expansion valve. Rather than continue on in this area, I'm going to start 
> working on removing and replacing the two hoses to the expansion valve so I 
> can have them in and ready to go with the new expansion valve.
> 
> I destroyed the drain tube, but it was getting pretty grungy anyway. I'll put 
> a solid piece of tubing in to replace it when I get ready to button up.
> 
> I was able to get to the top bolt on the support rod behind the instrument 
> cluster from below, so I didn't pull the cluster. One less thing to disturb.
> 
> After I hydrate I'll head back out and get under the hood to start in on 
> replacing the hoses to the expansion valve. This will involve removing part 
> of the false firewall and a lot of tie wraps from the looks of things.
> 
> Good progress so far.  I expect to be slowed down with the hose replacements, 
> as there’s a lot of stuff in the way.
> 
> -D
> 
> 
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