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91 Benz 300D
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I would be grateful if someone could supply details of how to check / set the injection pump timing on a OM-602. (602.962 to be exact).
 

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Get the pump locking tool. Or a mirror and a helper to eyeball the blade on the IP cam for the locking tool. There is a port with a bolt in it on the side of the rear of the pump for the tool, and as the engine rotates eventually a blade goes past the port. At that point it should be 14 degrees atdc on the crank.

Take a look at the injection section of the manual. It has the procedure for using the adjusting bolt to move the pump a few degrees forward or back.
 
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