Re: [RE-wrenches] On Gens : 2007 Kohler: Wrenches, can you help with parts or smarts?

2023-10-24 Thread Jerry Shafer via RE-wrenches 
Wrenches
I have always used 50 miles per hr as this works well, sure the 3600 rpm
unit runs faster but 2000 hrs is 10 miles and unless you have a prime
mover that's about right. I see many with well over 10,000 hrs. Had one
last week do 1000 hrs in a month.

On Tue, Oct 24, 2023, 4:50 AM Dana Orzel via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:

> REF Hours on Generators:
>
>
>
> Air cooled 3,600 RPM = 80 Mph
>
> 5000 hours x 80mph = 400,000 miles
>
>
>
> Water cooled at 1,800RPM = 40 MPH
>
> 5000 hours x 40mph = 200,000 miles
>
>
>
> Both are a lot of hours but 400K is till a whole lot of wear & tear.
>
>
>
> I got to thinking about all the other impacts & considerations:
>
>
>
>- Low elevation VS high elevation
>- Light loading vs heavy prolonged loading
>- Air flow & operating temps?
>- Warm up & Cool down cycle VS on & off.
>- Synthetic oil VS dinosaur oil? Synthetic = 4x the life & still
>better than dino oil when it was new…
>- Are they exceeding the oil intervals because they are always adding
>& adding oil due to consumption?
>- Rodent impact on wiring
>
>
>
> Generators do not have tires but still carry the same maintenance
> responsibilities as a vehicle, & typically do not get cared for like a
> vehicle that you climb into & trust your life with. My 0.02 experience is
> that as long as they are operating all is good & get cared for mostly when
> a crisis occurs. What I like to call “recycled ignorance.”
>
>
>
> ___
>
> Dana Orzel  c- 2087217003   e – d...@solarwork.com
>
>
>
>
>
> -- Forwarded message --
> From: Mac Lewis via RE-wrenches 
> To: RE-wrenches 
> Cc: Mac Lewis 
> Bcc:
> Date: Tue, 24 Oct 2023 05:04:36 -0600
> Subject: Re: [RE-wrenches] 2007 Kohler: Wrenches, can you help with parts
> or smarts?
> Hello Mick,
>
> Here is what I'd do:
>
> Check compression on each cylinder, look for psi of about 90(ish).  Also
> verify they are about the same (within a couple of percent).  If its way
> out of this range, stop here.
>
> If they think they've gotten at least 5000 run hours, I'd stop here.
> These air cooled machines can last longer if well taken care of, but that
> is the design life.  I have a few Kohler air-cooled with >5000 run hours so
> it can happen.
>
> I'm a fan of checking the integrity of the alternator/rotor with an
> excitation test but you may be limited in what is possible with a cooked
> controller.  You can ask me direct for more details on this.  Probably the
> controller is cooked and that's it, but I have had lightning to more things
> to generators.
>
> I would try the parts for techs but here in Colorado you can also call
> Power systems West in Aurora.  They will need make, model, serial number
> and they can price out the part for you.  This will at least get you a best
> case price for replacing the controller.  You can't rely on
> interchangeability of these controllers.  There are often changes that need
> harness modifications.
>
> Good luck
>
> On Mon, Oct 23, 2023 at 4:48 PM Dana Orzel via RE-wrenches <
> re-wrenches@lists.re-wrenches.org> wrote:
>
>> https://www.partsfortechs.com/
>>
>>
>>
>> These guys sold me an automatic volt regulator for my 20KW Onan for ¼ of
>> the price that Onan wanted SUPER helpful, not sure if they can help you but
>> reasonable, knowledgeable, & friendly, & They saved my bucket.
>>
>>
>>
>> ___
>>
>> Dana Orzel  c- 2087217003   e – d...@solarwork.com
>>
>>
>> ___
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>>
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>
> --
>
>
>
> Mac Lewis
>
> *"Yo solo sé que no sé nada." -Sócrates*
> ___
> List sponsored by Redwood Alliance
>
> Pay optional member dues here: http://re-wrenches.org
>
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[RE-wrenches] On Gens : 2007 Kohler: Wrenches, can you help with parts or smarts?

2023-10-24 Thread Dana Orzel via RE-wrenches 
REF Hours on Generators:

 

Air cooled 3,600 RPM = 80 Mph

5000 hours x 80mph = 400,000 miles

 

Water cooled at 1,800RPM = 40 MPH

5000 hours x 40mph = 200,000 miles

 

Both are a lot of hours but 400K is till a whole lot of wear & tear.

 

I got to thinking about all the other impacts & considerations:

 

*   Low elevation VS high elevation
*   Light loading vs heavy prolonged loading
*   Air flow & operating temps?
*   Warm up & Cool down cycle VS on & off.
*   Synthetic oil VS dinosaur oil? Synthetic = 4x the life & still
better than dino oil when it was new.
*   Are they exceeding the oil intervals because they are always adding
& adding oil due to consumption?
*   Rodent impact on wiring

 

Generators do not have tires but still carry the same maintenance
responsibilities as a vehicle, & typically do not get cared for like a
vehicle that you climb into & trust your life with. My 0.02 experience is
that as long as they are operating all is good & get cared for mostly when a
crisis occurs. What I like to call "recycled ignorance."

 

___

Dana Orzel  c- 2087217003   e - d...@solarwork.com

 

--- Begin Message ---
Hello Mick,

Here is what I'd do:

Check compression on each cylinder, look for psi of about 90(ish).  Also verify 
they are about the same (within a couple of percent).  If its way out of this 
range, stop here.

If they think they've gotten at least 5000 run hours, I'd stop here.  These air 
cooled machines can last longer if well taken care of, but that is the design 
life.  I have a few Kohler air-cooled with >5000 run hours so it can happen.

I'm a fan of checking the integrity of the alternator/rotor with an excitation 
test but you may be limited in what is possible with a cooked controller.  You 
can ask me direct for more details on this.  Probably the controller is cooked 
and that's it, but I have had lightning to more things to generators.

I would try the parts for techs but here in Colorado you can also call Power 
systems West in Aurora.  They will need make, model, serial number and they can 
price out the part for you.  This will at least get you a best case price for 
replacing the controller.  You can't rely on interchangeability of these 
controllers.  There are often changes that need harness modifications.  

Good luck

On Mon, Oct 23, 2023 at 4:48 PM Dana Orzel via RE-wrenches 
mailto:re-wrenches@lists.re-wrenches.org> > 
wrote:


https://www.partsfortechs.com/

 

These guys sold me an automatic volt regulator for my 20KW Onan for ¼ of the 
price that Onan wanted SUPER helpful, not sure if they can help you but 
reasonable, knowledgeable, & friendly, & They saved my bucket.

 

___

Dana Orzel  c- 2087217003   e – d...@solarwork.com  

 

___
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-- 





Mac Lewis



"Yo solo sé que no sé nada." -Sócrates

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