SECTION 3 - CHASSIS & TURNTABLE
3121774
3-3
3.2
UNDERCARRIGE COMPONENTS
Machine Positioning
1.
Stabilize the machine on level ground.
2.
Fully extend the undercarriage.
3.
Remove the tracks (see sub-section 3.1).
4.
Remove the key ignition, and a tag with warning
do no start the machine.
Figure 3-7. Machine Positioning
Replacement Roller Lower Wheel and Tracks
Adjuster
Figure 3-8. Replacement Roller Lower Wheel And Tracks Adjuster
Disassembly
1.
Remove the nuts 2 on the lower roller.
2.
Remove the lower roller 3.
3.
Remove the front idler 5.
4.
Remove the tracks adjuster 4.
Assembly
1.
Fit the tracks adjuster 4.
2.
Install the front idler 5.
3.
Install the lower roller 3.
4.
Apply loctite 243 and torque the nuts 2 on the
lower roller at 125 Nm (92 ft. lbs.).
Replacement Sprocket and Gear Motor
Figure 3-9. Replacement Sprocket And Gear Motor
Sprocket Removal
1.
Fully extend the undercarriage.
2.
Remove the tracks (see sub-section 3.1).
3.
Remove the key ignition, and a tag with warning
do not start the machine.
4.
Remove screws 6.
5.
Remove the sprocket 7.
Gear Motor Removal
1.
Remove cover 9.
2.
Disconnect and tag the hydraulic hoses from the
gear motor.
3.
Remove the valve 10 to access all the screws 11
(on single speed versions only).
4.
Remove the screws 11.
5.
Remove the gear motor 12.
1
4
5
3
2
1
6
7
11
9
8
12
10
12
11
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