Zoomlion RT60 Maintenance And Service Manual

Edition 2 Chapter 2 Page 2-14
Feb/2013 Troubleshooting
Part Problem
Cause Remedy
Steering
sometimes
hard or
sometimes
uncontrolled
a) Floating brass bush of steering
pump is blocked and does not
touch the wheel end-face all the
time.
Repair oil pump
b) Hydraulic oil is seriously polluted
or air is inhaled into the system
Replace oil or remove
air from the system
c) Priority valve core blocked Clean valve core
d) Steering gear defective Repair or replace
Left steering is
uncontrolled
while right
steering is hard
and vice versa
a) Not even oil leaks occurred at the
two sides of the piston in the
steering gear.
Replace seal ring
b) Air is inhaled into one side of the
cylinder
Remove air from the
system
c) Too much clearance between ball
pins of drive rod
Repair or replace
Traveling
deviation
a) Tire inflation pressure in tires on
left / right steer axles does not
agree with the requirements
(extremely inconsistent).
Examine and inflate the
tires to the correct
pressure
b) One of the steer axles always in
brake status
Adjust or repair the
brake
c) Inconsistent clearance of the
bearings in left / right steer axle
(one is too loose, while the other
is too tight or blocked).
Adjust bearing
clearance or replace
bearing
d) Steer axles are blocked. Examine where it is
blocked and examine
the input shaft bears
radial resistance.
e) Bubbles are in the oil and travel
direction is not stable
Examine and eliminate
f) Uneven steer axle abrasion Tire rotation
g) Front axles are not aligned with
the rear axles or incorrectly
seated.
Examine and adjust
Steering gear
oil leaks
a) Oil seal Examine and replace
oil seal

Zoomlion RT60 Specifications

General

Brand	Zoomlion
Model	RT60
Category	Construction Equipment
Language	English