Perkins 4.236 engine

[NHbalerman]

I have a perkins 4.236 on a new holland haybine and i need to take the injection pump off and have it rebuilt.what is the procedure to take out and replace
Thank you

 

[hearnc843]

I used this video as a reference for rebuilding my pump on a Massey 175 with a 4.236. Lots of other videos on his channel too.

Took a few hours and the re-seal kits are readily available, I got mine from this very site-
https://www.yesterdaystractors.com/Massey-Ferguson-175_Injector-Pump-Repair-Kit_CAV7135110.html

 

[Dieseltech]

No timing needed at the flywheel, just remove/replace and make sure the drive gear pin is aligned with the drive hub groove when going back on engine. Make a note where the flange alignment marks are now and use the same when going on.

 

[NHbalerman]

Thank yall for the help

No timing needed at the flywheel, just remove/replace and make sure the drive gear pin is aligned with the drive hub groove when going back on engine. Make a note where the flange alignment marks are now and use the same when going on.

 

[Brown David]

No timing needed at the flywheel, just remove/replace and make sure the drive gear pin is aligned with the drive hub groove when going back on engine. Make a note where the flange alignment marks are now and use the same when going on.

I did my first one this past winter, that's how I was told to do it and it worked flawlessly.

I think I asked you about it. I know I asked a guy with a similar handle on another forum.

 

[ekmoor]

Great video on benchtop rebuild. I have leakage from the throttle arm and have a gasket set coming. Does anyone know if I can remove the top cover while on the machine? Or is removal required? Doesn't look too tough to remove. Do you have to have to bleed the system if removed and don't if just replacing the top gasket and seals?

 

[Dieseltech]

That's a patch job i will NOT do anymore. In my fifty years and counting of diesel repair for me it's tear it down for ALL gaskets/seal replacement and parts inspection or I'm not touching it. After a fellow gets burned a few times with other leaks that show up shortly after the PATCH JOB was done and owner says, you just worked on it and it's leaking AGAIN! I decided years ago, never again.

 

[ekmoor]

Good point....not a diesel mechanic. Is it easy to remove as a unit? and assume you need to prime after rebuild? Its winter here so not looking forward to cold weather repairs. But it drips enough to not want to put a heater under the machine to start in the winter cold.

 

[Dieseltech]

Perkins 236/248 pumps are easy to remove/ replace, ANY injection pump needs air bled after installation.

 

[ekmoor]

Perkins 236/248 pumps are easy to remove/ replace, ANY injection pump needs air bled after installation.

Thanks for the guidance.

 

[Jim.ME]

You might want to consider installing an in the block engine heater. A number of the 236 engines use a plug that goes in a threaded hole above the starter. Here is one in the block of a 236 in a MF255. They are only about 400 watts, but 2 to 3 hours run time before you need the tractor greatly helps starting. I use a good timer to control them at times.