Injection pump bench test? - PeachParts Mercedes-Benz Forum

winmutt · #3 07-09-2007, 10:38 AM

Quote:

Originally Posted by funola

If you can fashion a fixture to drive the pump, have a set of injectors connected via the hardlines, you could observe the spray patterns, watch if there are drip problems etc. If you have a set of hardlines to sacrifice, bend them (with heat then clean well) so the injectors can be mounted horizontal, use the starter motor to drive the pump. Anyone see any problems doing this?

I have quick tested my injectors this way. You want to shoot down (like in the engine) not horiz. I plan on making getting a gauge with a top pressure needle just for this purpose as a cheap DIY pop tester. However, it does put additional wear on all the parts involved...