john deere 4430 won't start.

Perdue18

Member
John Deere 4430 won't start with out a shot of
ether an won't stay running with pumping the
primer. Tractor ran great when parked.
 
First make sure the fuel supply is good,,remove the cap and blow back through the fuel line for a start..
 
Sounds as if fuel is draining back to tank while tractor is not running. Does tractor have a check valve(parts key 17) and if so is it operational? Check valve was installed after (ENGINE SERIAL NO. 445570- ). I agree with Tim to check for good fuel flow from tank.
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What was the air temperature when it ran? What was the air temperature when you tried starting the tractor? Did you plug in the block heater for a few hours prior?
 
There is fuel in it right? Check the shut off tap on the bottom of the tank, I have seen them vibrate closed believe it or not. Another easy check is the pump shut off cable adjustment for full travel.
 

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