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Bleeding fuel with rotary injector pump

Number of messages: 4

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duodeluxe
New Hampshire, United States

It seems to take forever to bleed the fuel system on a Perkins 6.354 engine with a rotary style injector pump. Does anyone know the secret other than bleeding the lines at the injectors?
I was told that the injector pump was no good and that's why it starts so hard when it needs bleeding. I don't believe that because once the engine is started it runs fine and starts fine afterwards. Any advice would be appreciated.

-------------------------
gitrucks@adelphia.net

Posted 14 Nov 2007 06:41 AM

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AndyPandy
Staffordshire, WM, United Kingdom

Bleed the two 5/16 headed bleed screws on the side of the pump fist to get all the air from the pump before bleeding at the injector. Also worth a check is the lift pump and all filters, it may be hard to bleed because you do not have a good flow of fuel.

Posted 15 Nov 2007 04:57 AM

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kevin_k
dumfriesshire, United Kingdom

check your lines and connections . usually fairly easy to bleed these engines. as andypandy says LIFTPUMP . check screen in liftpump . if any doubts just change whole thing ,not worth repairing

Posted 15 Nov 2007 08:07 AM

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carl_v
Pennsylvania, United States

Does this injector pump have an electric shut off solenoid? If so turn key switch to ignition position when bleeding the 5/16 bleeders on pump. One of the bleeders is after the solenoid in the fliud circuit.

Posted 16 Nov 2007 08:30 AM

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