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Guys, Had a real brain damage. Opposite from what I wrote: If with all the shims removed you still don't get to engine specs. What is the meaning of this? the camshaft that the pump rides is wear out. Does not look so bad. Thanks,

Guys I might be doing something wrong. Adding shims should retard timing correct? Meaning farther from tdc. Example I am at 15 degree if I add shim should be getting closer to 20 or 21 correct? Before tdc. Seems to go the opposite way? Added and I seem to be at 10. I reassemble the pump with...

You are so right. I don't have the manual but I have read a few blogs this is what i have: push speed link to have full delivery. turn engine fuel pump turn engine clockwise wait till see fuel starting to spill injector pump port 1 (front of engine) check window and see how many degrees before...

Unfortunately I sent with the company to rebuilt pump and dont have them anymore. I have a fallen out with the company and they sent me the pump but not the shims. What do I do now?

Hi, I would like to know the proper procedure to install a brand new injection pump. Unfortunately, did not leave engine in TDC before removing. How do I get injection pump installed now so I can do a spill test and check timing. Is there something that I need to do pump or I just put engine on...

I will try this and report back.

No spill test. With all shims was very advance like 30 degrees....manual says 21.5 don't remember exactly

Total of 3. I did an spill test and end up using only 1. I did use a bit of sealer on bottom left because some oil was sipping thru there.

20240707_152556.mp4

This is the hunting https://advancelectricmy.sharepoint.com/✌/p/andy/EbYoJuIKMpJPv_0P3bh3K-gBuIK-kaG3MeDKunhLhVlpGQe=7xJote

Injectors brand new from kubota. Pump was rebuilt by diesel fuel injection service. Dfispdx.com They seem to be good

Sorry forgot to write did not touch the one in the front

Right I am sorry. I was chasing some white smoke exhaust and some hunting at idle and under load only at specific rpm range between 800 to 1000. I don't have coolant loss. Not bubbles when removed radiator cap Replace injectors. Replace hoses fuel system everything is bypass now, water fuel...

I have not rebuilt engine. Do u know how to get it adjusted to factory?

I am trying to find a service manual, advise or anything that could help me put back to factory setting the idling adjust spring. I make the mistake of mess with it and now I am not sure how to find out proper adjustment. Nothing on manual shows how to do this, at least not in the manual that I...

I did a spill test and trying to get to 22.5 degrees before tdc. I am closed to 18 degrees before tdc and I have removed all the shims. I was about 15 degrees before tdc before removing 2 shims. What happen when u ran out of shims to remove. The pump has been rebuilt by a diesel shop. Also any...

Hi, Have you found a solution to the problem you were having, I am having a very similar problem. Did yours hunt also when cold engine rather than hot. Best,

Wolfman Thanks so much. Could be the timing is wrong and might need to adjust shims. Everywhere I read i found not clear some people said usually ok with same shims some said to check. Also do the governor springs get damage? They seemed ok to me when replace injection pump. There was a...

Hi to all genius in the forum. I have a Kubota D640 in a boat. I am looking for advise in how to properly set up screw adjustment behind injection pump? the one that adjusts the rack position. I am unsure if it is properly adjusted because I was messing with it. Now, under load I get some...