temporary fix old fuel pump

57whitehouse

Chief Petty Officer
Joined
Jun 18, 2007
Messages
519
'57 gale 25hp with original fuel pump. i ordered a new replacement pump and put it on last night. it leaked like a siv. the parts store said keep tightening the center screw (where it was leaking) 1/4 turn at a time until it stopped leaking.

it snapped the screw, now i need another new pump.(parts guy said if it broke he'd replace it)

now here is what i'm doing. i took the old pump apart and used a fuel resistant superglue to repair the torn diaphram in the old pump. I noticed 3 small springs inside this pump. when i took it apart two of the small springs fell out.

my question is this. are there 2 small ballbarrings that sit ontop of these springs that go up inside the chambers that the springs go in?


i just want to see if the motor runs with a working fuel pump. i'm not going to keep the old pump.
 

reload

Petty Officer 1st Class
Joined
Jun 29, 2004
Messages
368
Re: temporary fix old fuel pump

If they are check balls two will go one way and the other the opposite.
 

57whitehouse

Chief Petty Officer
Joined
Jun 18, 2007
Messages
519
Re: temporary fix old fuel pump

I don't remember any falling out. but what else would they be for. I can't find them if they supposed to be there.
I know this an old pump, but does anyone know?
 

offshore100

Petty Officer 3rd Class
Joined
Jun 27, 2007
Messages
91
Re: temporary fix old fuel pump

First of all, I want to know what kind of miricle glue can adhere to thin, flexible rubber and be impervious to fuel:confused:.

Anyway, regarding the springs and possible ball valves, I'm not sure but; go ahead and reassemble the pump, you should be able to blow through it from the inlet side, but not back the other way. If you get those results bolt it on and try running it. My 00.02.
 

57whitehouse

Chief Petty Officer
Joined
Jun 18, 2007
Messages
519
Re: temporary fix old fuel pump

GREAT QUESTION


the glue is for fixing rc airplanes. It has to be impervioust to fuel because when running the gas engines, fuel usually spray and splatters all over the airplane. It's different gas than gasoline, but i figure it will last long enough to run the motor for a few minutes.

the split in the diaphram is very small so it doesn't need to flex, just move with it. remember i said TEMPORARY FIX. it may not work at all, but it's fun to try. a drop of glue shouldn't hurt anything if it doesn't hold and i've lost nothing but 30min.
 

offshore100

Petty Officer 3rd Class
Joined
Jun 27, 2007
Messages
91
Re: temporary fix old fuel pump

Well give 'er a go matey, and let us know what happens.
 
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