JD 425 PTO Problem

/ JD 425 PTO Problem #1  

ztlrgf

New member
Joined
Jun 1, 2011
Messages
1
Tractor
JD 425, Oliver super 55
Sometimes I have to pull the PTO switch on and off several times to get the deck to engage. Could this be anything other than a bad switch??
 
/ JD 425 PTO Problem #2  
It could be the PTO it self needs to have the air gap adjusted also. I am not sure on the 425 but on my 318 the gap should be .018. You might call your local JD dealer and ask them if yours would have the same gap.
 
/ JD 425 PTO Problem #3  
425 PTO is driven from the transmission, no air gap necessary. There are many safety interlocks that should be checked first. Parking brake, seat, reverse switch, and then the PTO switch.
 
/ JD 425 PTO Problem #4  
I had this very same trouble. Cause was a faulty circuit board associated with ignition switch. There is a relay on this board that activates the PTO solenoid.

Good Luck:thumbsup:
 
/ JD 425 PTO Problem #5  
If I were you I would by pass the reverse switch and seat switch and that would eliminate both of those, but if you can back up with out the pto kicking out and not pulling up on the switch, you may not have a reverse shut off switch also known as the Rio switch.
 

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