Posted by Jeffs B275 on October 25, 2009 at 21:51:16 from (205.188.116.73):
I have a B275 diesel that I just rebuilt. New everything in engine. It starts fine and runs fine. Just a few issues. Every since I bought it. The engine speeds up when going down a grade ( a lot) . I have to lower the throttle and hit the brake wile in gear to slow it down.It has sit for 4 years before the rebuild.I reused the old inj. pump and injectors. I finished the rebuild and it is getting to much fuel when running at idle. It will keep speeding the engine up and I have to hold the kill knob out and it will finally die after a long wile. sometimes I have to cover the air filter intake to kill it. It smokes white and black smoke. You can smell the diesel a lot in the smoke. I can hold the kill knob out just a bit and it will stop smoking. Is this an injector issue or a pump issue? It has the inline CAV pump with the air gov. I have checked the diaphram in the gov. it is soft and pliable feels kinda oily wet. The air gov. and throttle section of the intake was stripped out where the two lines for the gov fit. I have drilled out the old taper fittings in the piece all the way through even the little tubes inside the air chamber (both of them) and replaced it with brass fittings 1/4 pipe to 1/8 tube with taper ferrel inside. fit great and seemed to work well. but no little short tubes in the air chamber Does it have to have the two little tubes sticking up in the air chamber section. Can anyone help with these issues. other than that it is good to go.Rebuit everything clutches breaks seals the works, except the fuel system. Thanks in advance Jeff
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