Belarus injector Pump - help have question

RTR · Apr 23, 2016

Here is where I have the leak. It's squirting fuel out from the large "cap". I'm gonna remove the 2 screws and see if it comes off.

Bob · Apr 24, 2016

Looks like a capped, unused tach drive.

Probably a bad seal or O-ring in there.

RTR · Apr 24, 2016

(quoted from post at 10:53:35 04/24/16) Looks like a capped, unused tach drive.

Probably a bad seal or O-ring in there.

The tach works well. Not sure where it's hooked up but not on the injector pump. I took it off and looked it over and cleaned it up and put it back on. Stopped leaking until I revved the engine a little and then that made it start squirting fuel out again. Didn't leak at normal idle.

RTR · Apr 24, 2016

(quoted from post at 11:32:07 04/24/16)

(quoted from post at 10:53:35 04/24/16) Looks like a capped, unused tach drive.

Probably a bad seal or O-ring in there.

Click to expand...

The tach works well. Not sure where it's hooked up but not on the injector pump. I took it off and looked it over and cleaned it up and put it back on. Stopped leaking until I revved the engine a little and then that made it start squirting fuel out again. Didn't leak at normal idle.

Just to clarify I took it off via the 2 flat head screws. It removed the whole round peice and flange.

vapet · Apr 24, 2016

Looked in parts book, flat gasket under 2 screw flange; O ring (maybe flat) under the cap. Bearing under the flange and some sort of adjustment under cap. Guess that adjusts the backlash on the bevel gears, saying that I would not fool with the adjustment screw under the cap. Or if you must, mark and count number of turns to remove. Most of what I wrote is based on the parts manual and what I can remember of rebuilding one years ago.

Trkr · Apr 25, 2016

Did you read my reply below about draining the fuel and reoiling the pump?Your pump cavity for lubrication has filled up with fuel.

RTR · Apr 25, 2016

(quoted from post at 15:50:41 04/25/16) Did you read my reply below about draining the fuel and reoiling the pump?Your pump cavity for lubrication has filled up with fuel.

That fixed it!! Thank you! A YouTube video that goes over the maintenance on these tractors showed the location of the plug.

I just washed it and now it looks like a NOS Belarus 250AS. Only 150 original hours is amazing to find. Would yall know how to look up the serial numbers? Mine is 67xxx

Belarus injector Pump - help have question

RTR

Well-known Member

Bob

Well-known Member

RTR

Well-known Member

RTR

Well-known Member

vapet

Member

Trkr

Member

RTR

Well-known Member

Similar threads