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M813 Primer pump

cbvet

Active member
1,567
20
38
Location
Northwest (Knox) Indiana
Tried to start "new" M813A1 at 30 degrees. Followed instructions on dash. Turned on glow plug & attempted to pump fuel with the hand pump. Pump goes in about half way, then stops solid. Gauge is stuck, so I don't know if there is any pressure build up.
Cranking good, but no start.
Had to use a quick shot of ether to start.
I know I need to check the glow plug & wiring. May need a new gauge. But what about the pump?
Are there seals in it that go bad?
What should I be looking for?

Thanks in advance,
Eric
CBVET
 

cbvet

Active member
1,567
20
38
Location
Northwest (Knox) Indiana
Ignition has to be on to crank engine, as the start is built into it. Battery switch was on.
I'm sure I can check the electrical components, just wondering about the pump.
Standard size neoprene O rings?
Eric
CBVET
 

rmgill

Active member
2,479
14
38
Location
Decatur, Ga
Check that the fuel priming pump works, you can hang a bucket from a fitting and open the high point valve in the system. Are you sure your fuel hasn't gelled?
 
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