Search results

Can you post pictures of the pumps and rack?

360 is way to high. I think the highest I've ever seen is like 210-215 and that was after over an hour at full load. My opinion is the center 2 pumps are stuck on "full fuel" and in order to try and maintain RPM the other 2 pumps are basically minimum. I'd pull and check the center pumps.

Here is a video of my unit running so you can get a comparison. Any chance you can get a video showing the behavior of your unit? that would help alot i feel.

Unfortunately someone who knows more than me is going to have to explain exactly how the rack and IP's work. As for the blow by a very small amount of oil might come out, but not a ton. A good Field check is take a piece of paper and put it on the oil fill, vacuum from the crankcase should hold...

Sounds like the rack is sticking or the IP's aren't seated properly in the rack.

Usually it seems if either the set won't shut down or the freq adj knob isn't working it has something to do with the rack. Like the pump arms aren't seated properly, or they are turned to far twords "more fuel". You haven't mentioned anything about the set not wanting to shut down so this is...

https://www.steelsoldiers.com/threads/mep-803a-seems-to-be-loosing-power.207884/post-2424306 Here is my thread on the droop adjustment screw. Hopefully it helps you a bit.