JLG M450 Parts Manual User Manual
Page 155
SECTION 4 - BOOM
3121649
E450A/E450AJ/M450AJ
155
FIGURE 4-1. BOOM AND CYLINSERS INSTALLATION - E450A
ITEM
PART NUMBER
QTY
DESCRIPTION
REV
0258691
Ref
BOOM AND CYLINDERS INSTALLATION - E450A
B
1
0801264
2
Boom Assembly - Tower
1A
0961950
8
Bushing
2
4846307
2
Level Link
2A
0961950
8
Bushing
3
4844427
1
Upright Weldment - Lower
4
4844304
1
Upright Weldment - Upper
5
0801169
1
Boom Assembly - Main (See MAIN BOON ASSEMBLY - E450A
for Breakdown)
6
3537045
1
Hose Guard Plate
7
1684492
1
Lift Cylinder Assembly - Lower (See CYLINDER SECTION for
Breakdown)
8
1684493
1
Lift Cylinder Assembly - Mid (See CYLINDER SECTION for
Breakdown)
9
1684061
1
Lift Cylinder Assembly - Upper (See CYLINDER SECTION for
Breakdown)
10
1001140597
1
Master Cylinder Assembly (See CYLINDER SECTION for
Breakdown)
11
3422175
3
Pin
12
3422176
2
Pin
13
3422177
9
Pin
14
3422178
1
Pin
15
3422179
1
Pin
16
3422180
1
Pin
17
4844467
1
Boom Rest Weldment
18
0561076
1
Block, Boom Rest
19
3841203
15
Keeper, Pin - 1/2
20
3841143
2
Keeper, Pin - 3/8
24
0641506
4
Bolt, 5/16-18 x 3/4
25
3311505
4
Nut, Lock, 5/16-18
26
0641608
3
Bolt, 3/8-16 x 1
27
0641610
1
Bolt, 3/8-16 x 1-1/4
28
4751600
2
Washer, 3/8
30
3311605
1
Nut, Lock, 3/8-16
31
0641812
3
Bolt, 1/2-13 x 1-1/2
32
0940048
1
Bumper
33
0641806
5
Bolt, 1/2-13 x 3/4
35
3311805
3
Nut, Lock, 1/2-13
40
4566356
1
Tube
42
4751500
4
Washer, 5/16
44
0100011
AR
Compound, Locking
45
0641810
12
Bolt, 1/2-13 x 1-1/4