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Fuel Pump Not Pumping.


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#1 BairleaFarm OFFLINE  

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Posted November 30, 2014 - 09:12 PM

I cleaned out the carb on the 72 gt14. At least it half way runs now from a gravity feed tank. This is the pump that was on it. It does nothing when you pump the plunger. I put a pump off of a engine that was running when pulled. When I pump the plunger it pumps as it should. The pump I took off had a spacer. The pump I put on does not. The plunger does not look worn. What would cause it not to work in the engine?

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#2 superaben OFFLINE  

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Posted November 30, 2014 - 10:34 PM

Probably one of the valves are sticking.  Those little pumps work great but they can be so contrary.

 

Ben W.


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#3 BairleaFarm OFFLINE  

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Posted November 30, 2014 - 10:37 PM

But when I stick the pick up in a bucket of fuel and work it by hand it works as it should. On the engine it's not doing a thing.

#4 lyall ONLINE  

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Posted November 30, 2014 - 10:53 PM

maybe somebody put in in wrong, and the arm was not running on the cam.



#5 BairleaFarm OFFLINE  

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Posted November 30, 2014 - 11:18 PM

The fuel pump I'm using is of a k341. I think they are the same for the 14 and 16 hps. That's a point I didn't think of.

#6 Bill 76 OFFLINE  

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Posted December 01, 2014 - 04:26 AM

Maybe you don't need the spacer,check the liengh of the arm to gasket face on both pumps and see if they are the same.also check if the arms have the same bend.



#7 IamSherwood OFFLINE  

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Posted December 01, 2014 - 05:46 AM

The fuel pump I'm using is of a k341. I think they are the same for the 14 and 16 hps. That's a point I didn't think of.

 

Same pump has worked for me, many times.



#8 BairleaFarm OFFLINE  

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Posted December 01, 2014 - 07:08 AM

The spacer was on the cheap plastic pump pictured. I've never used one so I didn't install it due to the fact the engine my current pump came from didn't have one.

#9 BairleaFarm OFFLINE  

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Posted December 01, 2014 - 08:11 PM

I don't ask for much. I'm getting tired of messing with junk. Does this look like a oem pump? The other to are plastic. For all I know the one I've been trying to use may not be the right one. The Massey 1650 have the tank high enough it could have been gravity feed. The pump may have never worked.

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