Zoomlion RT60 Maintenance And Service Manual

Edition 2 Chapter 2 Page 2-12
Feb/2013 Troubleshooting
2.9 BRAKE SYSTEM
Table 2-9
Part Problem Cause Remedy
Brake System
Brake
deviation
a) Brake force is not even Examine and adjust the
brakes (clearance between
brake disc and brake
caliper around 0.020 -
0.028 in (0.5 - 0.7 mm)).
b) Different tire inflation pressures
for different tires
Inflate the tires to the
correct pressure
c) The power to stop is not equal at
each wheel (unsynchronized
brake disc abrasion).
Brake pads wear is unusual
(some pads wear much more
that others).
Examine or replace brake
pads
Brake locked
up
a) Small clearance between brake
disc and brake caliper
Examine and adjust the
brakes (clearance between
brake disc and brake
caliper around 0.020 -
0.028 in (0.5 - 0.7 mm)).
b) Brake system pressure is not
sufficient.
Adjust the relief valve
pressure or repairthe
master brake valve and
pre-fill valve.
c) Park brake will not disengage. Examine and disengage
Brake system
does not stop
the crane at a
usual distance
(stopping
distance too
long)
a) Brake system pressure is not
sufficient.
Adjust the relief valve
pressure or repairthe
master brake valve and
pre-fill valve.
b) Accumulator on the master
brake valve defective
Replace or supply
hydraulic oil
c) Incorrect clearance between
brake disc and brake caliper
Adjust clearance
d) Defective brake disc Replace

Zoomlion RT60 Specifications

General

Brand	Zoomlion
Model	RT60
Category	Construction Equipment
Language	English