JLG 120HX Parts Manual User Manual
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3-5
S
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3
B
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M
SECTION 3 BOOM
30
3421280
Pin, Attach
6
31
4751000
Flatwasher #10
10
32
3450202
Pin, Cotter 1/16" x 1/2"
8
33
3421629
Pin, Attach
2
34
3420659
Pin, Attach
2
35
0238945
Adjustable Clevis Assembly - Outer Mid and Fly
Retract Chain (See Figure 3-2 for Breakdown)
2
36
Not Used
37
3300240
Locknut, Nylon 5/8"-11NC (Grade 8)
2
38
3312002
Nut, Jam 5/8"-11NC
2
39
4761600
Lockwasher 3/8"
100
40
Not Used
41
4843105
Mount, End - Chain
1
42
3421539
Pin, Sheave
1
43
3450814
Pin, Cotter 1/4" x 3 1/2"
2
44
4070616
Shim 1/32"/.8mm
A/R
45
0560689
Block, Mounting - Wear Pad
2
46
2160002
Fitting, Grease
7
47
3421778
Pin, Sheave
1
48
4740307
Washer, Thrust
12
49
3421290
Pin, Sheave
2
50
3422040
Pin, Sheave
2
51
4740311
Washer, Thrust
12
52
3951606
Setscrew 3/8"-16NC x 3/4"
5
53
Not Used
54
3421497
Pin, Trunion
2
55
3421293
Pin, Cylinder
1
56
3340475
Pad, Wear (Fly Rear Top, Inner Mid Rear Top and
Outer Mid Rear Top)
6
57
4070535
Shim 1/8"/3.2mm
A/R
58
4070536
Shim 1/16"/1.6mm
A/R
59
3340263
Pad, Wear (Carrier Support - Left Side, Fly Rear
Sides and Outer Mid Rear Sides)
9
60
4070544
Shim 1/16"/1.6mm
A/R
61
4070545
Shim 1/8"/3.2mm
A/R
62
3340563
Pad, Skid
4
63
4070615
Shim 1/16"/1.6mm
A/R
64
1120019
Cap
4
65
0721003
Bolt #10-24NC x 3/8"
12
66
4761000
Lockwasher #10
12
67
0641605
Bolt 3/8"-16NC x 5/8"
2
68
0641607
Bolt 3/8"-16NC x 7/8"
18
69
0641609
Bolt 3/8"-16NC x 1 1/8"
52
70
4761800
Lockwasher 1/2"
1
71
0641808
Bolt 1/2"-13NC x 1"
1
72
4751800
Flatwasher 1/2"
1
73
0641614
Bolt 3/8"-16NC x 1 3/4"
7
74
0641630
Bolt 3/8"-16NC x 3 3/4"
6
75
3340496
Pad, Wear (Base Front Bottom)
2
76
4070602
Shim 1/8"/3.2mm
A/R
FIGURE 3-1. BOOM ASSEMBLY COMPONENTS INSTALLATION (CONTINUED)
FIG & ITEM #
PART NUMBER
DESCRIPTION
QTY.
REV.