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Case Tractors Discussion Forum

fuel pump not pumping

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Doug Overkill

06-14-2006 09:31:16

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I was unable to get any fuel to flow out of injector lines on my 188D. It had been cranked over with Gasoline in tank. so cleaned out tank and filters but no flow. So I took pump off and with long screwdriver I can turn the pump, so it's not seized. The pump drive shaft does not free spin. It is not very tight in hole, ie, it has a bunch of flop. But it does turn with engine with very little backlash, but a bit of flop.
So if pump is not seized but also not pumping, What next?

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RobTX

06-14-2006 13:23:41

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Re: fuel pump not pumping in reply to Doug Overkill, 06-14-2006 09:31:16

This might be way off the mark - but I had a problem a while back on my 430 - with it not getting any fuel and what had happen was that the casing on the crontrol cable had cracked and was not returning the fuel shutoff valve properly to the on posisiton. When I finaly grabed it and rotaed the valve forward everything worked just fine.

Good Luck

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Phil (NJ,Az,Sask)

06-14-2006 11:24:27

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Re: fuel pump not pumping in reply to Doug Overkill, 06-14-2006 09:31:16

Doug, You are one lucky dog! Mine (water) cost me ~ $2400 Can. When you put the shaft back into the Pump make sure the Indexing "Hole" (on one side of pump Slot & shaft thang) lines up and she will be in time. Make sure each Hi-pressure fuel line has the copper washer on each side (2)

The rear assembly has the low pressure "vane" Xfer pump. It is possible you had an air lock. The bypass port, on the inside, of the Xfer Pump(which may or not be Used) can be opened to bleed.

Hope this Helps,

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