Digga HP450, Руководство оператора, Страница: 32 / 37

TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSE
POSSIBLE SOLUTION
Excessive oil temperature. Hydraulic oil level too low. Refer to skid steer's owners manual
Obstruction in hydraulic lines. Remove obstruction and replace if
necessary.
Hydraulic oil or oil filter in skid steer Refer to skid steer's owners manual.
is dirty.
Relief valve setting adjusted too low. Refer to skid steer's owners manual.
Couplers not engaged. Engage couplers.
A Hydraulic cylinder not Insufficient hydraulic flow from the
operating.
skid steer.
Cylinder rod bent.
Cylinder seals damaged.
Obstruction in hydraulic lines.
Refer to skid steer's owners manual.
Visually inspect the cylinder for
damage.
Replace cylinder seals.
Remove obstruction and replace if
necessary.
Refer to skid steer's owners manual. All hydraulic cylinders not
functioning.
Test and replace if necessary.
Replace spool.
Blown fuse on skid steer.
Damaged electrical wiring.
Solenoid valve spool bent.
Nut on Solenoid valve too tight
.
Loosen nut.
Hydraulic cylinders only Contaminants in the hydraulic Remove spool from solenoid valve
operating in one direction. system and solenoid valve. and check for foreign material. Clean
or replace.
Remove spool from solenoid valve
and check seals for damage. Replace
if necessary.
Damaged electrical wiring.
Test and replace if necessary.
Solenoid valve spool bent.
Replace spool.
Nut on Solenoid valve too tight Loosen nut.
PM-000068-A DECEMBER 2017
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