JLG 740AJ Parts Manual User Manual
Page 83
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3-3
SECTION 3 BOOM
S
E
C
T
I
O
N
3
B
O
O
M
.
FIGURE 3-1. BOOM AND CYLINDER INSTALLATION
FIG & ITEM #
PART NUMBER
DESCRIPTION
QTY.
REV.
0271505
BOOMS AND CYLINDERS INSTALLATIONS
Ref
B
1
0100011
Loctite #242 (Not Shown)
AR
2
0561237
Block, Clamp
2
3
0641404
Bolt 1/4”-20NC x 1/2”
4
4
0641416
Bolt 1/4”-20NC x 2”
4
5
0641604
Bolt 3/8”-16NC x 1/2”
24
6
0641606
Bolt 3/8”-16NC x 3/4”
4
7
0641607
Bolt 3/8”-16NC x 7/8”
2
8
0641608
Bolt 3/8”-16NC x 1”
6
9
0641611
Bolt 3/8”-16NC x 1 3/8”
1
10
0641614
Bolt 3/8”-16NC x 1 3/4”
1
11
0641618
Bolt 3/8”-16NC x 2 1/4”
4
12
0641820
Bolt 1/2”-13NC x 2 1/2”
3
13
0642214
Bolt 3/4”x 10NC x 1 3/4”
5
14
0642620
Bolt 1”-8NC x 2 1/2”
1
15
0741607
Screw 3/8”-16NC x 7/8”
1
16
0801136
Boom Assembly (Upper - See MAIN BOOM ASSEMBLY for
Breakdown)
1
17
0801314
Boom Assembly (Tower - See Items 201-208 for Breakdown)
1
18
0961947
Bearing, Garmax
6
19
0962335
Bushing, Composite
4
20
1120510
Cover, Upright
2
21
1670769
Cover, Cable
1
22
1670844
Cover, Upright
4
23
1670850
Cover, Tower Fly
1
24
Use 1684497
Cylinder, Upright Level (See CYLINDER SECTION for
Breakdown) (was p/n 1683546)
1
25
1683547
Cylinder, Upper Lift (See CYLINDER SECTION for Break-
down)
1
26
1683609
Cylinder, Extended Reach (See CYLINDER SECTION for
Breakdown)
1
27
Use 1684228
Cylinder, Slave (See CYLINDER SECTION for Breakdown)
(was p/n 1683677)
1
28
1683682
Cylinder, Master (See CYLINDER SECTION for Breakdown)
1
29
2080044
Fastener
4
30
3311605
Locknut, 3/8”-16NC
5
31
3340835
Pad, Boom Rest
1
32
3422561
Pin
2
33
3422563
Pin
1
34
3422583
Pin
1
35
3422681
Pin
2
36
3422683
Pin
1
37
3422684
Pin
1
38
3422685
Pin
2
39
3422686
Pin
1
40
3422687
Pin
1
41
3422688
Pin
1
42
3422689
Pin
1