Zoomlion RT60 Maintenance And Service Manual

Edition 2 Chapter 2 Page 2-18
Feb/2013 Troubleshooting
2.12 DRIVE SHAFT
Table 2-12
Part Problem Cause Remedy
Drive Shaft
Unusual noise when
the crane begins to
move, increase speed
and decrease speed.
a) Universal joint cross
trunnion, needle roller worn
and loosen or needle roller
broken.
Replace the universal
joint
b) Drive shaft spline and
expansion joint splineway
are at the wear limit.
Replace
Periodical noise
during traveling. The
noise increases with
speed. In the worst
case condition, the
vehicle shakes and
steering wheel does
not move.
a) Drive shaft bent or drive
shaft flange is not welded
correctly to the axle tube.
Replace drive shaft
b) Retaining bolts at central
bearing stand loosen and
deflected.
Screw down or
replace
c) Loose or missing bolts
between the two drive
shafts (adjacent drive
connecting shafts).
Tighten or replace
d) Drive shaft balance block
falls off
Replace (balance the
shaft)
Unusual noise during
movement. The noise
level increases as the
speed increases.
a) Central bearing is defective
and is at its wear limit.
Adjust or replace
b) Roller comes off from
central bearing
Replace bearing
c) Inadequate lubricant for
central bearing
Add #2 lithium grease

Zoomlion RT60 Specifications

General

Brand	Zoomlion
Model	RT60
Category	Construction Equipment
Language	English