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Cat 160m hydraulic surge

Mobiltech

Mobiltech

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Jan 14, 2014
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Self employed Heavy duty mechanic
I dont know if this has been covered yet on hef.
I have a 160m B9E00800 that has a slow pulsing surge in the hydraulic system. All functions are affected. If you feather it just right it will smooth out but the harder you push it the more it surges. Gauge on main port shows pulsing of 1000 psi . i think it could be in pump compensater because i see some pulse in the standby pressure with no functions activated.
Any ideas?
 
Mobiltech

Mobiltech

Senior Member
Joined
Jan 14, 2014
Messages
1,697
Location
Sask.
Occupation
Self employed Heavy duty mechanic
Update. Probably not compensator. If i unhook signal line and feed a control signal pressure the pump works fine.
 
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