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CATEGORY LISTINGS > MAINTENANCE / SERVICE > CAV Injection pump not pumping

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Thread Title:

CAV Injection pump not pumping

Created On Wednesday December 10, 2014 18:02

tytower

Posts: 13
Joined: Dec 2014

Wednesday December 10, 2014 18:02

Posts: 10
Joined: Dec 2014

Wednesday December 10, 2014 17:45 (NEW!)

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I have just put the bottom back on a motor in a tractor that was siezed up in the number 4 cylinder due to water ingress via the exhaust pipe. I took the cap off and tapped it free with diesel on top of the piston as a lubricant . It freed up reasonably well and I put it all back . To get the oil up quickly I filled the filter beforehand ,replaced and filled the sump and turned it over with the injectors out ,probably 20 to 30 revolutions .
While I was doing that the fuel tank was disconnected and some diesel was noticed being expressed from the number 4 overflow at the top of the injector. So I want to see diesel coming out the distribution pipes before I secure the injectors and pipes .

So I've bled the diesel filters and pump and i am turning it over with the gas able to escape from the cylinders to ease things for the starter . After probably 40 cranks I still have no diesel being distributed to the injector lines and wonder if something could be stuck in the pump . I have the shutdown lever pushed home and the accelerator lever in various positions. I still can't get fuel out of the lines.

Can anyone suggest anything that I can try to establish what the problem is ? I have removed the cover plate on the timing end to ensure the pump is turning. The motor is turning well . There are no bubbles anywhere in the infeed lines and filters . The motor used to start and run very well 12 months prior to this

I normally don't post twice but get the feeling posting in a particular model section may not get the exposure I need.

-------------------------
Governments should do what they were designed to do -deal with the large issues that can only be done by a central body.
My Family and my property are NOT government issues.!

Edited: Wednesday December 10, 2014 at 18:05 by tytower

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tytower

Posts: 13
Joined: Dec 2014

Thursday December 11, 2014 00:51
Turns out a tap on the pump with a heavy spanner unstuck it and away it went. Just left too long without starting ------------------------- Governments should do what they were designed to do -deal with the large issues that can only be done by a central body. My Family and my property are NOT government issues.!

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