Thanks Larry!/Tom
----- Original Message -----
From: "LarryT" <[EMAIL PROTECTED]>
To: "Mercedes Discussion List" <mercedes@okiebenz.com>
Cc: "Tom Scordato" <[EMAIL PROTECTED]>
Sent: Wednesday, November 08, 2006 9:47 PM
Subject: Re: [MBZ] 1979 240D Time Chain Stretch
No problem - in the front of the engine between the crank pulley and the
engine you should see a timing wheel with degrees marks - something like
40-0-40 in 10 degree increments - you'll have a hard time seeing it behind
the fan blades and other stuff - but the fan belt on the pully will be a
give-away.
With the cam set to Zero, read the degrees below - there's also a metal
tab
which sticks out over the degree wheel so you can tell *exactly* where it
is
degree-wise. If it were a gas engine a strobe light would make it wasy to
see. You may have to clean the degree wheel off some - they collect
grease
and junk.
In the attached manual section Page 6, part 24 is the degree wheel and
part
14 is the pointer.
Gotta go for tonight -
Larry T (67 MGB, 74 911, 78 240D, 91 300D)
www.youroil.net for Oil Analysis and Weber Parts
Test Results http://members.rennlist.com/oil
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.
----- Original Message -----
From: <[EMAIL PROTECTED]>
To: "Mercedes Discussion List" <mercedes@okiebenz.com>
Sent: Wednesday, November 08, 2006 1:32 PM
Subject: Re: [MBZ] 1979 240D Time Chain Stretch
OOOOOOOOOO I did not even know there was a pully timing degree wheel??
Where
is it exactly???
Regards Tom
----- Original Message -----
From: "LarryT" <[EMAIL PROTECTED]>
To: "Mercedes Discussion List" <mercedes@okiebenz.com>
Sent: Wednesday, November 08, 2006 10:14 AM
Subject: Re: [MBZ] 1979 240D Time Chain Stretch
Tom,
Did you look at the crank pully timing degree wheel when the cam marks
were
aligned?
If you didn't check, you;ll need to re-align the cam tower marks and cam
mark - then look at the degree wheel on the crank pully to read the
degrees
away from Zero it is.
Sorry if I didn't make that clear ---
Larry T (67 MGB, 74 911, 78 240D, 91 300D)
www.youroil.net for Oil Analysis and Weber Parts
Test Results http://members.rennlist.com/oil
PORSCHE POSTERS! youroil.net
Weber Carb Info http://members.rennlist.com/webercarbs
Porsche Road Test http://members.rennlist.com/roadtest/
.
----- Original Message -----
From: <[EMAIL PROTECTED]>
To: "Mercedes Discussion List" <mercedes@okiebenz.com>
Sent: Wednesday, November 08, 2006 7:12 AM
Subject: Re: [MBZ] 1979 240D Time Chain Stretch
Larry T, thank you. My cam lobe on the cam shaft the first one closest
to
the radiator #1 cylinder, was sticking out to the right almost 90
around
90
degrees at 3:00. (when standing and looking towards front windshield)
when
the marks matched up perfectly. Was in the same position as the photo
in
the MB manual so I assume we are in good standing./Tom
----- Original Message -----
From: "LarryT" <[EMAIL PROTECTED]>
To: "Mercedes Discussion List" <mercedes@okiebenz.com>
Sent: Sunday, November 05, 2006 6:34 PM
Subject: Re: [MBZ] 1979 240D Time Chain Stretch
Hi Tom,
As the engine rotates - and it must *only* be turned in the normal
direction of travel, BTW - you'll see the cam lobes turn and
alternately
open/close the valves. When both of the high parts of the cam over #1
are
pointing more or less up, it'll be on TDC - but the scale on the crank
is
the final authority. Once close, you should be looking to get the
mark
on
the cam aligned with the notch in the cam tower closest to the
radiator.
But, even if you miss the spot by just a little don't be tempted to
turn
the
engine backwards to the mark - just crank the engine over again and
watch
the cam until the mark is close. It can be frustrating as often the
compression will not allow the engine to stop at the proper point.
Just
be
patient.
Once you've done it once it will seem very easy.
Good luck -
Larry T (67 MGB, 74 911, 78 240D, 91 300D)
www.youroil.net for Oil Analysis and Weber Parts
Test Results http://members.rennlist.com/oil
PORSCHE POSTERS! youroil.net
Weber Carb Info http://members.rennlist.com/webercarbs
Porsche Road Test http://members.rennlist.com/roadtest/
.
----- Original Message -----
From: <[EMAIL PROTECTED]>
To: "Mercedes Discussion List" <mercedes@okiebenz.com>
Sent: Sunday, November 05, 2006 4:39 PM
Subject: Re: [MBZ] 1979 240D Time Chain Stretch
How do you know #1 cly is at tdc?/Tom
----- Original Message -----
From: "Kaleb C. Striplin" <[EMAIL PROTECTED]>
To: "Mercedes Discussion List" <mercedes@okiebenz.com>
Sent: Friday, November 03, 2006 9:18 AM
Subject: Re: [MBZ] 1979 240D Time Chain Stretch
why do you need a dial indicator to check chain stretch? You simply
rotate the engine around till you line up with TDC on the crank,
then
slowly turn it till the lines on the cam shaft line up, then look at
the
crank and see how many degrees you are off.
[EMAIL PROTECTED] wrote:
Have to adjust valves again has it been 20K allready since I did
it?
Bought
a dial gauage and want to test the stretch and timing while I am in
there.
Anyone now exactly what size threaded piece with thread size I need
or
can
describe it to bolt into engine to hold the
dial indicator. I scimmed through the 616 and 617 engine manual
quickly
MB
said something about this makes sence
and would please like to know what piece I need. Thanks and happy
Friday
Cheers Tom Scordato Bellefonte PA
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Kaleb C. Striplin/Claremore, OK
91 300D 2.5 Turbo, 90 420SEL, 89 560SEL, 87 300SDL,
87 300SDL #2, 85 380SE 5.0 Euro, 84 190D 2.2,
84 190D 2.2 #2, 81 240D, 76 240D, 76 300D, 72 250C, 69 250
http://www.striplin.net
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