Quote:
Originally Posted by JonL
Hi, I've been having the EXACT problem on my 1987 W201 OM602, cylinder 1 also. I did not intentionally move or molest the barrel, but perhaps I did. I'd like to remove it to inspect it and make sure I replace it properly. How does one remove the barrel? Thanks!
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Were you also inside of the IP changing the O-rings?
The Author of the thread will have to tell you how he did it.
However, if it is at all possible do not pull the Barrel completely off of the plunger (if pissible rotate it slowly until the slot in the Barrel pops back over the pin in the IP housing). If you do end up pulling it up; pull it out slowly so that the plunger has time to remain where it is (it will stick to the Barrel a little but will drop down on its own weight if you give it time to) and pull it up only enought to get the slot and pin lined up.
When I worked in a shop on IPs I had a large tweezers with a 45 degree bend that would work to grab some of the barrels; but different pumps have different amounts of room so I cannot say the same will work with these IPs.
I also sometimes used a medical type Forcepts again with a 45 degree bend. However, you need to be careful as the Forcepts is made of harder metal with sharp teeth and you do not want to scratch or burr any of the mating survaces.