After sitting for a couple months tried to start my B 414 today ..No go so tried bleeding it by the book and got fuel at top and at the two small bleed screw on the pump but none up to injectors.Now i had lots of pressure at the top bleed screw on the pump but it seemed weaker on the bottom screw..I feel there was enough pressure that it should have made it to the injectors...Any ideas or help appreciated..Thanks in advance..
- Thread starter Dorfi2
- Start date
47fivewindow
Well-known Member
- Location
- Davidsonville Md.
The oem glow plugs were awful. There is a easy replacement. Google it. Hope this helps
Dieseltech
Well-known Member
- Location
- Akron, Indiana
No fuel to injectors means pump trouble. If there's any traces of water in fuel, or bio diesel then pump probably has stuck metering valve and/or rotor plungers keeping fuel from getting to the injectors. I just tested and returned a Case 188 pump for the same trouble..
If it was running only a few months ago and was shut down normally/not run out of fuel, no fuel system "bleeding" or other drama should be an issue here, as the fuel tank is "higher" than the injection pump making it almost impossible for air to enter the system.
There must be more to your story?
Dieseltech
Well-known Member
- Location
- Akron, Indiana
Bio diesel is the worst fuel to use in anything that sets unused. I've seen pumps that have been repaired, then fail again after setting unused for one month using bio diesel. I have a U302 MM diesel pump apart now that has stuck parts because of bio diesel, only way to free everything up again is to tear it completely apart again and start over. Water in fuel is bad also..
Dieseltech
Well-known Member
- Location
- Akron, Indiana
The bleeds will squirt like that, it's normal. What's NOT working is the high pressure side of the pump. Bleeders are on the low pressure side.
MJ in the UK
Member
It will not start until you slacken an injector pipe as Tom Tinker said, not
exagerating but I have bled 100s of them engines like that. MJ
exagerating but I have bled 100s of them engines like that. MJ
JimB2
Well-known Member
- Location
- Ottawa, Ontario, Canada
Mike(NEOhio)
Well-known Member
- Location
- Newbury, Ohio
Crack the nuts on the high pressure lines at the injectors and crank until fuel drips. Tighten them and start it.
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