Zoomlion RT60 Maintenance And Service Manual

Edition 2 Chapter 2 Page 2-6
Feb/2013 Troubleshooting
2.5 SWING MECHANISM
Table 2-5
Part Problem Cause Remedy
Electrical System
Brake defective.
Brake pad is worn. Adjust or replace
Superstructure cannot
move left or right
a) Relief pressure of outrigger
control valve is too low
b) Relief valve pressure for
swing valve is set too low
c) Swing valve defective
d) Hydraulic motor damaged
e) Swing reducer defective
Adjust
Adjust
Repair or replace
Replace
Repair
Superstructure moves too
slow
a) Relief valve pressure for
the chassis multiple unit
valve is set too low
b) Relief valve pressure for
the swing valve is set too
low
c) Swing valve defective
d) Swing cushion valve
defective
e) Hydraulic motor defective
Adjust
Adjust
Repair
Repair
Repair
Free swing function
defective
a) Switch defective
b) Conducting wire broke
c) Solenoid controlled swing
valve defective
d) Swing cushion valve
defective
e) Swing brake does not
engage
f) Swing lock disengaged
Repair or replace
Repair
Repair or replace
Repair or replace
Repair the oil pipeline
Engage

Zoomlion RT60 Specifications

General

Brand	Zoomlion
Model	RT60
Category	Construction Equipment
Language	English