SECTION 3 - CHASSIS & TURNTABLE
3121623
– JLG Lift –
3-5
Replacement sprocket and Gear Motor
Figure 3-11.
Sprocket remove
1.
Fully extend the undercarriage.
2.
Remove the tracks (see paragraph 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 remove
1.
Remove cover 9.
2.
Disconnect and tag the hydraulic hoses from the
gearmotor.
3.
Remove the valve 10 to access all the screws 11
(on single speed versions only).
4.
Remove the screws 11.
5.
Remove the gearmotor 12.
Gear motor installation
1.
Fix the screws 11.
2.
Instal the valve 10.
3.
Connect the Hydraulic hoses
4.
Instal the cover 9.
Figure 3-12.
Sprocket installation
1.
Instal the sprocket
2.
Instal the screws 6
1
6
7
11
9
8
12
10
12
11
1
6
7
11
9
8
12
10
12
11
Table 3-1. Final Drive Torque Valves
MACHINE MODEL
SPROCKET SCREW N. 6
TORQUE VALUES
FINAL DRIVE SCREW N. 11
TORQUE VALUES
X17JP - X500AJ
M10x18 - Nm 50
M10x25 - Nm 50
X20JP - X600AJ
M10x25 - Nm 70
M10x30 - Nm 70
X26JP - X770AJ
M12x18 - Nm 86
M12x30 - Nm 86
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