JLG 450AJ ANSI Parts Manual User Manual
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3-7
SECTION 3 BOOM
S
E
C
T
I
O
N
3
B
O
O
M
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FIGURE 3-2. MAIN BOOM AND CYLINDERS INSTALLATION - 450A
FIG & ITEM #
PART NUMBER
DESCRIPTION
QTY.
REV.
0257868
BOOM AND CYLINDERS INSTALLATION
Ref.
J
1
0100011
Loctite #242 (Not Shown)
A/R
2
0257879
Platform Support & Rotator Assembly (See Items 101-126)
1
3 to 4
Not Used
5
0641607
Bolt 3/8”-16NC x 7/8”
1
6 to 8
Not Used
9
0642010
Bolt 5/8”-11NC x 1 1/4”
2
10
0642012
Bolt 5/8”-11NC x 1 1/2”
1
11
Not Used
12
0801131
Main Boom Assembly (See Figure 3-4 for Breakdown)
1
13
Not Used
14
0961950
Bearing, Garmax
2
15 to 16
Not Used
17
Main Lift Cylinder Assembly Options (See Section 5 for
Breakdown):
1
Use 1683728
Prior to S/N 38944 (was p/n 1683588)
1683728
S/N 38944 to Present
18
Platform Level Cylinder Assembly Options (See Section 5 for
Breakdown):
1
Use 1683730
Prior to S/N 38944 (was p/n 1683598)
1683730
S/N 38944 to Present
19
Not Used
20
3312005
Locknut 5/8”-11NC
1
21 to 22
Not Used
23
3422666
Pin
1
24
3422668
Pin
1
25
3422669
Pin
1
26
3422724
Pin
1
27 to 28
Not Used
29
3841143
Keeper, Pin
1
30
3841258
Keeper, Pin
3
0257879
PLATFORM SUPPORT AND ROTATOR ASSEMBLY
Ref.
J
101
0257826
Cap
2
102
4040266
Pin
2
103
0641406
Bolt 1/4”-20NC x 3/4”
9
104
Not Used
105
0641420
Bolt 1/4”-20NC x 2 1/2”
2
106
0641609
Bolt 3/8”-16NC x 1 1/8”
2
107
Not Used
108
0642012
Bolt 5/8”-11NC x 1 1/2”
1
109
1683579
Rotator Cylinder Assembly (See Section 5 for Breakdown)
2
110
3311405
Locknut 1/4”-20NC
11
111
3311605
Locknut 3/8”-16NC
4
112
3312005
Locknut 5/8”-11NC
1
113
3422667
Pin
1