Buhler 535 - Manual (Page 205)

5-0
435/485/535
Section 5 - Troubleshooting
Hydraulic System
Possible Cause
Low oil level.
Restricted hydraulic filter.
Restricted reservoir suction screen.
Malfunctioning hydraulic system.
Blown fuse - faulty relay*
Oil level low or high.
Oil cooler or radiator plugged.
Blocked oil filter element.
Flow control improperly adjusted.
Hydraulic load or orbit motor system
not matched to tractor.
Hoses being pulled at 5° angle or
greater.
Lines are still pressurized.
Incorrect male connectors.
Equipment exceeds detent pressure
settings.
High pressure standby set too low.
Detent release pressure set too low
Incorrect time set on electric valve.
Flow control not properly adjusted.
Incorrect oil viscosity
Clogged filter.
Hoses not completely connected.
Load exceeds system capacity.
Lever lock restricts control lever
movement.
Problem
Complete hydraulic
system does not operate
Hydraulic oil overheats
Hoses will not uncouple
Hoses will not couple
Detent disengages
prematurely
Remote attachment
operates too fast or too
slow
Hydraulic filter bypass
warning light on
Remote attachment
does not operate
Correction
Fill system.
Replace hydraulic filter.
Clean screen.
Contact Buhler Versatile dealer.
Replace fuses and or relay*
Adjust oil level.
Clean oil cooler and radiator.
Replace filter.
Adjust flow control to lower flow
position.
Contact Buhler Versatile dealer.
Pull straight back on hoses.
Place hydraulic system into float
Replace connectors with ISO-(/")
standard connectors available from
your Buhler Versatile dealer.
Contact Buhler Versatile dealer.
Contact Buhler Versatile dealer
Contact Buhler Versatile dealer.
Contact Buhler Versatile dealer.
Adjust flow control.
Change oil to correct specification.
Replace filter.
Attach hoses correctly.
Reduce load or increase cylinder size.
Reposition lock.
Hydraulic System
* Applies to optional the Electro-hydraulics (EHR) system