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Pettibone 6044

Dallaswill

New Member
Joined
Mar 26, 2023
Messages
2
Location
Lincoln Nebraska
I have a Pettibone 6044 I’m working on for a friend that has no boom functions but still drives and steers. He put a new hyd pump on but still has the same problem. I can’t find a service manual anywhere. Any help would be appreciated.
 

tractormech

Senior Member
Joined
Feb 19, 2015
Messages
347
Location
florida
No boom functions at all? No boom up,down. extend.retract? Nothing? Sounds like a pilot pressure issue. All functions don't fail at once. Sounds like nothing is getting a signal to operate. Check pilot valve pressure.
 

Dallaswill

New Member
Joined
Mar 26, 2023
Messages
2
Location
Lincoln Nebraska
Thanks I will try that. Anyone have the specs and test procedure for checking hyd pressures on this machine? I can’t find anything online
 

tractormech

Senior Member
Joined
Feb 19, 2015
Messages
347
Location
florida
If there's test ports it should be in the neighborhood of 400 PSI for pilot pressure. Just an educated guess. I don't know the exact specs.
 
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