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  #31  
Old 09-01-2008, 02:30 PM
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yeah.. you do^^

http://www.pauldrayton.com/uploadfiles/merc/Service/W123/w123CD2/Program/Engine/617/05-220.pdf

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  #32  
Old 09-02-2008, 12:43 PM
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Bump
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1985 Euro 240D 5 spd 140K
1979 240D 5 spd, 40K on engine rebuild
1994 Dodge/Cummins, 5 spd, 121K
1964 Allice Chalmers D15 tractor
2014 Kubota L3800 tractor
1964 VW bug

"Lifes too short to drive a boring car"
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  #33  
Old 09-02-2008, 12:59 PM
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conclusion??
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  #34  
Old 09-02-2008, 08:56 PM
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say what?

i've still haven't figured this out...
it doesn't seem POSSIBLE to install the camshaft backwards...
or are you saying the camshaft SPROCKET?

i attached the picture from that pdf that JT20 referenced...sure seems to look like what i did.

anybody got any some helpful evidence?
JT20?
thoughts?
Attached Thumbnails
timing chain BIG UH-OH-cam-diagram.jpg  
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'83 300CDT (286k)

former proud owner of:
'85 mercedes euro 300TD
'80 mercedes 300TD
'77 mercedes 280e
'80 mercedes euro 250
'82 mercedes euro 250
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  #35  
Old 09-02-2008, 09:04 PM
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Quote:
Originally Posted by blankenship View Post
i've still haven't figured this out...
it doesn't seem POSSIBLE to install the camshaft backwards...
or are you saying the camshaft SPROCKET?

i attached the picture from that pdf that JT20 referenced...sure seems to look like what i did.

anybody got any some helpful evidence?
JT20?
thoughts?
It's impossible to install the camshaft backwards...........

Take a look at the camshaft itself and attempt to determine if it's sitting forward of the desired position in the bearings. The cam usually moves rearward.........by itself.........until the thrust washer stops the movement.

However, if something has hung the camshaft and is preventing it from moving to the desired position.........that's your issue.
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  #36  
Old 09-03-2008, 02:03 AM
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BC.. take a look at the photos an then the diagram above. Notice the lip and recess from the front of the camshaft. The keyhole on the camshaft goes all the way through.

If, however, the OP has marked the camshaft sprocket before dismantle, and has his/ her mark showing on the side that he / she made it, then I agree. - it is not wrong.
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  #37  
Old 09-03-2008, 02:04 AM
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Quote:
Originally Posted by blankenship View Post
i've still haven't figured this out...
it doesn't seem POSSIBLE to install the camshaft backwards...
or are you saying the camshaft SPROCKET?

i attached the picture from that pdf that JT20 referenced...sure seems to look like what i did.

anybody got any some helpful evidence?
JT20?
thoughts?

yes. It is possible that the cam SPROCKET is on backwards
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  #38  
Old 09-03-2008, 02:06 AM
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http://www.peachparts.com/shopforum/attachments/diesel-discussion/58683d1220219007-timing-chain-big-uh-oh-assembly-1.jpg

this side.. with the negigeable recess goes on the front of the engine!!!

BC.. see difference
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  #39  
Old 09-03-2008, 02:13 AM
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Quote:
Originally Posted by jt20 View Post
http://www.peachparts.com/shopforum/attachment.php?attachmentid=58683&d=1220219007

this side.. with the negigeable recess goes on the front of the engine!!!

BC.. see difference
Read the thread:

Quote:
Originally Posted by blankenship View Post

i double-checked, and it's not an issue of having the sprocket flipped the wrong way...(the line-up mark i put on the sprocket before removing the head is facing the right way, and the mercedes symbol and writing that are stamped in the sprocket are facing the front of the car, which i seem to remember is correct).
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  #40  
Old 09-03-2008, 02:18 AM
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wow.. how did I miss that. feeling very stupid.

In the pictures the recess is shown frontwards.. this is incorrect. That is all that I am certain of.

sorry again BC
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  #41  
Old 09-03-2008, 02:22 AM
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one way to determine the original position (if the washers and sprocket are the original) is to remove the sprocket again, and look very closely a the markings on the rear spacer/ washer and the surfaces of the sprocket, it should be determinable from highlights and varnish. Did you take any pictures before you dissassembled?
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  #42  
Old 09-03-2008, 02:25 AM
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pics

my engine works
Attached Thumbnails
timing chain BIG UH-OH-coveroff-007.jpg   timing chain BIG UH-OH-coveroff-011.jpg  
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  #43  
Old 09-03-2008, 03:20 AM
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Quote:
Originally Posted by Stevo View Post
I know on a 616 the cam sprocket will fit backwards and look 'almost' right, could this be the case, I cant tell by the pics. I looked at another engine to confirm my suspicions when I did it.

Sorry Stevo.. i didnt realize you had already mentioned this issue. I think you are dead right.
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  #44  
Old 09-03-2008, 10:21 PM
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oh yeah!

i just flipped the cam sprocket, and now everything's lining up!

jt20 + steveo- rockin' observation, thanks.

i should have mentioned it earlier, but the plastic rail was broken when i first removed the head and marked the chain to the sprocket several months ago. i wonder if the PO had installed her wrong...

thanks SO much, guys! and for all you archive readers: learn from my mistake , and don't take anything for granted: cam sprocket goes thin lip front / stamped writing back.
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'83 300CDT (286k)

former proud owner of:
'85 mercedes euro 300TD
'80 mercedes 300TD
'77 mercedes 280e
'80 mercedes euro 250
'82 mercedes euro 250
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  #45  
Old 09-03-2008, 10:28 PM
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Quote:
Originally Posted by blankenship View Post
i just flipped the cam sprocket, and now everything's lining up!

jt20 + steveo- rockin' observation, thanks.

i should have mentioned it earlier, but the plastic rail was broken when i first removed the head and marked the chain to the sprocket several months ago. i wonder if the PO had installed her wrong...

thanks SO much, guys! and for all you archive readers: learn from my mistake , and don't take anything for granted: cam sprocket goes thin lip front / stamped writing back.

We could have solved this problem without all the grief if you simply provided correct information and not offered up complete misstatements of fact in the thread.

When you state that you "double checked the sprocket" and "the line-up mark is facing the right way", what are we to believe?

The data provided turned into sheer fantasy............

Without correct data, the forum becomes useless to everybody.

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