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+--- Thread: OM603.960 - Wont stop revving (/showthread.php?tid=5200)
OM603.960 - Wont stop revving - Kimmag - 12-22-2013
I have a W124 300td, which we putted a OM603.960 into.
I bought the engine of some guy, and he told me that the diesel-injection-pump was adjusted. I didn't care, since I thought it wouldn't be any problem. It was automatic, but we've converted it to manual, and it's working great.
But we have a problem.
If I start the engine and rev, it's fine. But when it reaches a certain amount of RPM, it won't get down again, it continues to rev, and even gains more RPM, the only way to end this is by pressing the handle on the dieselpump to turn it off.
I've seen that there are some adjustment-screws at the backside of the pump, and I guess that's where the problem is.
But does anybody here know WHAT is wrong? Does it get too much diesel?
There isn't any testbenches around here where I live, as far as I know. So if you know what's creating this mess, please refer to which number it is on this picture: http://i128.photobucket.com/albums/p...g?t=1304385911
EDIT: It was automatic transmission, but we converted to manual.
RE: OM603.960 - Wont stop revving - Tito - 12-23-2013
When I had my 603 hooked up to a automatic i had the same problem. But it wasn't really a problem because of the automatic. I've converted it to manual and it was undrivable. So i had to turn it down a little.
http://www.superturbodiesel.com/std/Thread-IP-Full-Load-Adjustment-Procedure-for-the-MW-and-M-pumps
Check this thread. It's probably screw 2f and 2b who needs to be turned in.
RE: OM603.960 - Wont stop revving - Kimmag - 12-23-2013
Thank you so much for the reply!
I will take a look at this today, and I hope that it'll work out.
Do you know if the pump from OM603.912 and OM603.960 have the same adjustments on the pump? Because I have a 300td N/A where I could look at the pump.
RE: OM603.960 - Wont stop revving - Tito - 12-23-2013
It's the same pump for the n/a version. There could be some small differences but I it's technically the same.
RE: OM603.960 - Wont stop revving - Kimmag - 12-23-2013
Okay, then I might look at that to get a quick feeling on how 2f and 2b should be, then. Thank you.
RE: OM603.960 - Wont stop revving - Kimmag - 12-23-2013
We decreased 2f and 2b with 1 turn, and the engine now works! Thank you!
RE: OM603.960 - Wont stop revving - Tito - 12-24-2013
Glad to hear it worked out
