JLG 450A_AJ Series II Parts Manual User Manual
Page 243
3-17
SECTION 3 BOOM
FIGURE 3-4. MAIN BOOM INSTALLATION - 450AJ SERIES II (USA BUILT MACHINES)
ITEM #
PART NUMBER
QTY.
DESCRIPTION
REV.
Ref
USA Built Machines use SNs 03xxxxxxxx.
Belgium Built Machines use SNs 13xxxxxxxx.
Romanian Built Machines use SNs E3xxxxxxxx.
Ref
BOOM AND CYLINDERS INSTALLATION
0270839
Ref
450AJ Series II
O
0275125
Ref
450AJ Series II (Arctic Package)
F
1
1
Rotator Assembly Options (See ROTATOR ASSEMBLIES for
Breakdown):
0060050
Without Arctic Package
0060096
With Arctic Package
2
0100011
AR
Compound, Locking
3 to 6
Not Used
7
0641518
2
Bolt 516in-18NC x 2-1/4in
8
0641607
1
Bolt 3/8in-16NC x 7/8in
9
0641608
3
Bolt 3/8in-16NC x 1in
10
0641610
2
Bolt 3/8in-16NC x 1-1/4in
11
0641616
4
Bolt 3/8in-16NC x 2in
12
0641618
2
Bolt 3/8in-16NC x 2-1/4in
13
Not Used
14
0641810
AR
Bolt 1/2in-13NC x 1-1/4in
15
0641812
1
Bolt 1/2in-13NC x 1-1/2in
16 to 18
Not Used
19
0801312
1
Main Boom Assembly (See MAIN BOOM ASSEMBLY for
Breakdown)
20 to 22
Not Used
23
2
Bushing Options:
0961947
SN 0300124000 to SN 0300144008
0962292
SN 0300144008 to SN 0300160835
24
Not Used
25
0961951
2
Bushing
26
Not Used
27
1683773
1
Master Cylinder Assembly (See CYLINDER SECTION for
Breakdown)
28
1683760
1
Level Cylinder Assembly (See CYLINDER SECTION for
Breakdown)
29
1684154
1
Main Lift Cylinder Assembly (See CYLINDER SECTION for
Breakdown)
30
Use 1001140282
1
Jib Lift Cylinder Assembly (was p/n 1683959) (See CYLINDER
SECTION for Breakdown)
31 to 32
Not Used
33
3311501
4
Locknut 5/16in-18NC
34
3311605
9
Locknut 3/8in-16NC
35
3311805
2
Locknut 1/2in-13NC
36
Not Used
37
3340860
4
Pad, Rubber
38
3422177
2
Pin
39
3422178
1
Pin
40
Not Used