JLG 450A_AJ Series II Parts Manual User Manual
Page 245
SECTION 3 - BOOM
3121243
450A Series II/450AJ Series II
245
FIGURE 3-1. TOWER/MID BOOMS AND CYLINDERS INSTALLATION (USA BUILT MACHINES) (Prior
to SN 0300124000)
ITEM
PART NUMBER
QTY
DESCRIPTION
REV
Ref
USA Built Machines use SNs 03xxxxxxxx.
Ref
Belgium Built Machines use SNs 13xxxxxxxx.
Ref
TOWER BOOMS AND CYLINDERS INSTALLATIONS
0271216
Ref
450A Series II
I
1001097501
Ref
450A Series II (Arctic Package)
A
0270839
Ref
450AJ Series II
L
0275125
Ref
450AJ Series II (Arctic Package)
B
2
0100011
AR
Compound, Locking
3
0561076
1
Block, Boom Rest
5
0641505
4
Bolt 5/16in-18NC x 5/8in
6
4751800
3
Flatwasher 1/2in Regular
9
0641608
4
Bolt 3/8in-16NC x 1in
10
0641610
AR
Bolt 3/8in-16NC x 1-1/4in
13
0641806
2
Bolt 1/2in-13NC x 3/4in
14
0641810
3
Bolt 1/2in-13NC x 1-1/4in
16
0642012
6
Bolt 5/8in-11NC x 1-1/2in
17
0642014
2
Bolt 5/8in-11NC x 1-3/4in
18
0642016
4
Bolt 5/8in-11NC x 2in
20
0801272
1
Boom, Mid
21
0801273
1
Boom, Tower
22
0940048
1
Bumper
24
0961950
20
Bearing, Garmax
31
1684070
1
Tower Lift Cylinder Assembly (See CYLINDER SECTION for
Breakdown)
34
3311605
AR
Locknut 3/8in-16NC
36
3312005
3
Locknut 5/8in-11NC
40
3422568
6
Pin
42
3422664
2
Pin
49
3422912
3
Pin
50
3422913
1
Pin
52
3572691
1
Bracket, Boom Rest
54
3572826
1
Cover
57
3841258
12
Keeper, Pin
59
4751500
4
Flatwasher 5/16in Regular
60
4751600
AR
Flatwasher 3/8in Regular
63
Ref
Upright (Upper) Options:
63
4846366
1
Upright (Upper)
63
4846335
1
Upright (Upper)
64
4846336
2
Link
65
4846343
1
Link, Timing
66
4846346
1
Upright (Lower)
68
Ref
Rest, Boom Options:
68A
3572750
1
Rest, Boom
68B
4846428
1
Rest, Boom
69
0641507
2
Bolt 5/16in-18NC x 7/8in
70
1671013
1
Cover
71
3340914
1
Pad
72
4711500
2
Flatwasher 5/16in Thin
73
Ref
Cable, Electrical 18/2 Options (Not Shown):