[lance_kohler]

Just re sealed the injectors with new orings and reinstalled everything as per usual now the turbo ebp valve seams to only be opening a little and then pressurizing the exhaust like an exhaust brake. Unplugged the turbo pedestal harness and its still doing it. Checked the breather tube to the ebp sensor and its got flow... It all seamed to work before I did the injector rebuild, also one of the injectors wasnt working before and we replaced it while doing the work, any input would be appreciated.

 

[Maryland dieselnick]

If that outlet carbonizes up good it will stick trying to close.

The actuator needs to be preloaded with 10lbs. Use a digital fish scale. That will probably start pulling it closed but sits best to decarbonize the outlet first.

I have a write up with explanations and photos on how to do this. It originated as a TSB for a leak. You can do a site search using key words TSB oil leak Maryland dieselnick.

 

[lance_kohler]

Will do, thanks nick, we have another turbo pedestal on another engine i was going to try it incase its something internal on the actuator.

 

[Maryland dieselnick]

No leave the pedastal if not leaking. You adjust the preload by adjusting the rod's end. This preload pulls it open. This is the direction they stick in as closing is under hydraulic pressure.
The seal assembly has a spring in it that pulls it open. I'll try to pull up write up so you can find it in Active Topics.

 

[lance_kohler]

The actuator still moves its not stuck shut, i will try to reset the ten lb preload after cleaning and double checking that the valve isnt sticking shut once its got ten lbs of tension on it. Thanks again

 

[lance_kohler]

Drilled the rivets on the ebp valve and removed the plate, we put a collar and set screw on the shaft so it doesnt drop out then hooked it back up with the rod so it doesnt mess up that seal at the other end of that rod. Worked great after i got everything back together, saved the plate incase we want to rivet it back in later. Will see how it goes...