JLG 740AJ Parts Manual User Manual
Page 84
3-4
3121146
SECTION 3 BOOM
S
E
C
T
I
O
N
3
B
O
O
M
43
3422729
Pin
1
44
3422860
Pin
1
45
3422861
Pin
2
46
3422867
Pin
1
47
3841143
Keeper, 3/8”
7
48
3841287
Shaft, Keeper
5
49
3841340
Rod, Hose Loop
1
50
3841356
Shaft, Keeper
1
51
3900239
Screw, Nylon
1
52
4740439
Washer, Thrust
2
53
4844816
Weldment, Top Tube
1
54
4844817
Weldment, Bottom Tube
2
55
4845593
Weldment, Upright
1
56
4845716
Weldment, Pivot
1
57
Not Used
58
1683537
Cylinder, Tower Lift (See CYLINDER SECTION for
Breakdown)
1
0258766
ROTATOR AND SUPPORT INSTALLATION
Ref
D
101
0060031
Rotator Actuator Assembly (See ROTATOR ASSEMBLY for
Breakdown)
1
102
0100011
Loctite #242 (Not Shown)
AR
103
0641606
Bolt 3/8”-16NC x 3/4”
2
104
0641810
Bolt 1/2”-13NC x 1 1/4”
6
105
0681610
Bolt 3/8”-16NC x 1 1/4” (Grade 8)
4
106
0681820
Bolt 1/2”-13NC x 2 1/2” (Grade 8)
4
107
3311805
Locknut 1/2”-13NC
4
108
3841340
Rod, Hose Loop
1
109
4711600
Flatwasher 3/8” Narrow
4
110
4711800
Flatwasher 1/2” Narrow
8
111
4844790
Support Weldment
1
0801314/0271519
TOWER BOOM ASSEMBLY & COMPONENTS
Ref
A/A
201
0801311
Weldment, Tower Boom
1
202
0962102
Bushing, Composite (2 3/4”)
2
203
0962122
Bushing, Composite (4”)
2
204
1320250
Clamp, Bar
3
205
1320251
Clamp, Block
3
206
3311605
Locknut 3/8”-16NC
6
207
3841340
Rod, Hose Loop
2
208
3900262
Bolt 3/8”-16NC x 4 3/4”
6
FIGURE 3-1. BOOM AND CYLINDER INSTALLATION (CONTINUED)
FIG & ITEM #
PART NUMBER
DESCRIPTION
QTY.
REV.