JLG 450AJ ANSI Parts Manual User Manual
Page 127
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3-3
SECTION 3 BOOM
S
E
C
T
I
O
N
3
B
O
O
M
.
FIGURE 3-1. TOWER/MID BOOMS AND CYLINDERS INSTALLATION
FIG & ITEM #
PART NUMBER
DESCRIPTION
QTY.
REV.
BOOMS AND CYLINDERS INSTALLATIONS
0257868
450A
Ref.
D
0257869
450AJ
Ref.
E
1
0100011
Loctite #242 (Not Shown)
A/R
2
Not Used
3
0561076
Block, Boom Rest
1
4
0641507
Bolt 5/16”-18NC x 7/8”
4
5
0641607
Bolt 3/8”-16NC x 7/8”
A/R
6
0641610
Bolt 3/8”-16NC x 1 1/4”
2
7
0641806
Bolt 1/2”-13NC x 3/4”
2
8
0641809
Bolt 1/2”-13NC x 1 1/8”
3
9
0642010
Bolt 5/8”-11NC x 1 1/4”
6
10
0642012
Bolt 5/8”-11NC x 1 1/2”
5
11
0801128
Boom, Tower/Mid
2
12
Not Used
13
0940048
Bumper
1
14
0961950
Bearing, Garmax
14
15
1683563
Mid Lift Cylinder Assembly (See Section 5 for Breakdown)
1
16
1683568
Tower Lift Cylinder Assembly (See Section 5 for Break-
down)
1
17 to 18
Not Used
19
3311505
Locknut 5/16”-18NC
4
20
3311605
Locknut 3/8”-16NC
A/R
21
3312005
Locknut 5/8”-20NC
2
22
3422664
Pin
3
23
3422665
Pin
2
24
3422666
Pin
6
25 to 27
Not Used
28
3570531
Plate, Hose Guard
1
29
3570533
Bracket, Boom Rest
1
30
Not Used
31
3841258
Keeper, Pin
11
32
4566356
Tube
1
33
4751500
Flatwasher 5/16”
4
34
4751600
Flatwasher 3/8”
A/R
35
4845566
Link Weldment
2
36
4845575
Upright Weldment - Lower
1
37
4845576
Upright Weldment - Upper
1
38
Extension Weldment
A/R
Not Required
450A
0
4845681
450AJ
1
39
3340843
Pad, Wear (S/N37698 to Present Only)
2
40
0641608
Bolt 3/8”NC x 1”
4