JLG 450A_AJ Series II Parts Manual User Manual
Page 47
1-39
SECTION 1 FRAME
FIGURE 1-11. SEMI-TRACK INSTALLATION
ITEM #
PART NUMBER
QTY.
DESCRIPTION
REV.
Ref
SEMI-TRACK INSTALLATIONS
0271384
Ref
IDLER INSTALLATION
2
1
0271380
1
Mount, Idler (Left) (See Items 101-117 for Breakdown)
2
0271379
1
Mount, Idler (Right) (See Items 101-117 for Breakdown)
3
0681832
8
Bolt 1/2in-13NC x 4in (Grade 8)
4
3271805
8
Locknut 1/2in-13NC (Grade 8)
5
3571860
4
Plate, Spacer
6
4891800
8
Flatwasher 1/2in Hardened
Ref
TRACK INSTALLATIONS
0271385
Ref
12in Steel Track
1
7
0270029
2
Wheel Assembly (See Items 201-204 for Breakdown):
8
3300255
10
Nut
9
0270086
2
Track (See Items 401-405 for Breakdown)
Ref
IDLER MOUNT ASSEMBLIES
0271380
Ref
Left Side
A
0271379
Ref
Right Side
A
101
0020005
1
Absorber, Rubber Spring
102
0641408
1
Bolt 1/4in-20NC x 1in
103
0641808
1
Bolt 1/2in-13NC x 1in
104
0681856
1
Bolt 1/2in-13NC x 7in (Grade 8)
105
0961948
2
Bearing
106
0962293
1
Bushing, Track Spring
107
2780221
1
Hub Assembly (See Items 301-307 for Breakdown)
108
3271805
1
Locknut 1/2in-13NC (Grade 8)
109
3422786
1
Pin
110
3571818
1
Plate
111
3571833
1
Cover, Bottom
112
3841203
1
Keeper, Pin
113
4711400
1
Flatwasher 1/4in Thin
114
4891800
2
Flatwasher 1/2in Hardened
115
1
Arm Weldment Options:
4846419
Left Side
4846418
Right Side
116
1
Bracket Weldment Options:
4846114
Left Side
4846126
Right Side
117
0100011
AR
Compound, Locking
Ref
WHEEL ASSEMBLIES
0270029
Ref
12in Track
B
201
1704586
1
Decal, Tire Pressure
202
4520224
1
Tire
203
4640113
1
Valve, Air
204
4860218
1
Rim, Wheel