Terex PT-30, Service Manual

Page: 109 / 116

Compact Track Loader
16. Maintenance
16-6
Lift Arm Bushings
Quick Attach Wear Inspection
Daily inspection can be carried out by
performing the following steps:
1. Lower the lift arm until it makes contact with the
chassis stops. Rotate the bucket against the
ground repeatedly. Have an assistant look for
independent movement between the bucket and
the lift arm. Any movement should be readily
noticeable by the attendant. If movement is
detected, bushing will need further inspection.
2. Rotate the bucket downward to approximately
45° from level. Then lower the lift arm until the
bucket contacts the ground repeatedly. Have an
assistant look for independent movement
between the:
•
Lift arms & chassis
•
Lift arms & lift cylinder
•
Lift cylinder & chassis
Any movement will be readily noticeable by the
attendant. If movement is detected, bushings will
need further inspection as shown in the following
step.
3. Refer to Chapter 13 of Lift Arm Bushing
Removal and Installation procedure to access
bushings for measurement inspection.
Note: Inspect the bushing for wear and replace as
necessary. Maximum recommended wear on the
bushing is 50% as shown in figure 16-16.
Figure 16-16
Lift Arm Bushings
.063”
Service
Limit
New bushing Max recommended
wear: 50%