656D Injector or valve?

Posted by Montanarancher on March 08, 2015 at 08:35:41 from (108.174.114.147):

I recently installed a rebuilt injection pump on my 656D. The
timing is set at 3 degrees per the manual. The tractor starts and
idles as it should with no issues. When I advance to about 1/2
throttle I start to get white smoke (unburnt fuel) from one
cylinder. I did not have this issue with the old pump. Is the new
pump to much pressure for the old injectors? Should one also
install new injectors with a new pump? I also considered that
bad valve could cause this but did not have this issue with the
old pump.

Thanks in advance.

APF

Replies:

• Re: 656D Injector or valve? Ken SE WI 14:45:20 03/08/15 (2)
  • Re: 656D Injector or valve? pete 23 18:28:37 03/08/15 (1)
    • Re: 656D Injector or valve? Ken SE WI 08:28:59 03/09/15 (0)
• Re: 656D Injector or valve? pete 23 12:05:01 03/08/15 (0)
• Re: 656D Injector or valve? Montanarancher 11:22:31 03/08/15 (0)
• Re: 656D Injector or valve? pete 23 10:32:15 03/08/15 (0)

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