1
5
SLEW MOTOR
TROUBLESHOOTING
5N0AX00SLEW MOTOR
SLEW MOTOR
the machine immediately and try to locate the faulty section.
circuits.
Hydraulic motor, brake valve
Symptoms How/Where? Major causes Remedies
Motor fails to start
port
low
inlet port
Motor does not
speed up
the pump
-
ficiency
Direction of rota-
tion is incorrect
correctly
sand paper
Motor
produces
abnormal noise
Parking brake
Symptoms Major causes Remedies
Cannot release the
brake. Brake force is
produces noise, heat
-
ated Or, supply pressure is low.
drain pressure
-
tor.
Brake piston does not operate
-
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