Zoomlion RT60 Maintenance And Service Manual

Edition 2 Chapter 2 Page 2-8
Feb/2013 Troubleshooting
2.7 OUTRIGGERS
Table 2-7
Part Problem Cause Remedy
Outriggers
Do not move
a) Relief pressure of outrigger
control valve is not
adjusted correctly.
b) Solenoid coil of outrigger
control valve defective
Adjust the pressure
Replace the solenoid
coil
Move too slow
a) Chassis multiple unit valve
leaks internally
b) Relief valve pressure for
the chassis multiple unit
valve is set too low.
Repair
Adjust
Vertical cylinder retracts
automatically during
operation (will not hold its
position)
a) Bidirectional hydraulic lock
defective
b) Cylinder leaks internally
Remove sewage or
replace valve.
Replace the seal ring
Vertical cylinder extends
automaticallyduring travel
(will not hold its position)
a) Bidirectional hydraulic lock
defective.
b) Cylinder leaks internally
c) Cylinder leaks externally
Remove sewage or
replace valve
Replace the seal ring
Repair

Zoomlion RT60 Specifications

General

Brand	Zoomlion
Model	RT60
Category	Construction Equipment
Language	English