bx1500 fuel injection pump

[mohamer]

I have a 2006 BX1500 Kubota. Recently my Lubrication oil level has been getting higher as I use the tractor. I seem to be getting Diesel
fuel in my oil from the Fuel Injection Pump. I have ordered a pump seal kit and plan on installing the kit in the pump when I get it.
I would like to have a procedure for dismantling the pump and putting is back together hopefully with drawings/pictures. A pdf file with such information would be really nice or a copy of a manual with the information would be wonderful. I have searched the internet and forums for information, there is some, some of it is questionable.
If someone could steer me toward some good information I would be very grateful..

 

[mohamer]

Well Folks, I removed the Fuel Injection Pump, took it totally apart, checked it out, put it back together, it runs great!!!!
What was wrong, you may ask?????
The only point of concern I had was the lower o-ring on the pump Barrel, both pumps. Both o-rings appeared to be too loose when inserted into the pump housing. I checked the size of the housing (ID) and the Barrel size (OD/o-ring groove) and determine that a o-ring the same ID but fatter was needed. I tried it and it went together very well. So, I put the bigger o-rings on both Barrel lower o-ring grooves.

I cleaned everything in my Ultrasonic Cleaner, reassembled it all, the engine runs very well, checked exhaust temperature on both cylinders, they are the same when running, timing looks very good too.

Now I will watch my Sump level to see if it is stable as it used to be.

 

[Henro]

Well Folks, I removed the Fuel Injection Pump, took it totally apart, checked it out, put it back together, it runs great!!!!
What was wrong, you may ask?????
The only point of concern I had was the lower o-ring on the pump Barrel, both pumps. Both o-rings appeared to be too loose when inserted into the pump housing. I checked the size of the housing (ID) and the Barrel size (OD/o-ring groove) and determine that a o-ring the same ID but fatter was needed. I tried it and it went together very well. So, I put the bigger o-rings on both Barrel lower o-ring grooves.

I cleaned everything in my Ultrasonic Cleaner, reassembled it all, the engine runs very well, checked exhaust temperature on both cylinders, they are the same when running, timing looks very good too.

Now I will watch my Sump level to see if it is stable as it used to be.

Thanks for reporting back. Glad to hear of your success.

Could you share what taking the pump totally apart actually means?

Asking because I know nothing about the internals of these pumps, but have read that timing is a serious consideration, and that they must be assembled properly, or otherwise the engine will not run right.

Also read it is possible to shift something inside the pump, if you loosen the fuel lines feeding the injectors, at the pump end, improperly. And the tractor will not run correctly anymore. This is the reason I am asking.

Since final timing is set by the factory using shims between the pump and the engine block, it would seem to me there is some standard used to make all pumps the same when manufactured, and that is why shims are used in the final setup at the factory.

When reading your post about your success, the question that popped into my mind was: "How did he get everything back together the same as it was before disassembly?"

If anybody is interested, further details and comments can be viewed here:

BX1500 Fuel Injection Pump

I have a 2006 BX1500 Kubota. Recently my Lubrication oil level has been getting higher as I use the tractor. I seem to be getting Diesel fuel in my oil from the Fuel Injection Pump. I have ordered a pump seal kit and plan on installing the kit in the pump when I get it. I would like to have...

www.orangetractortalks.com