JLG 40H Parts Manual User Manual
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SECTION 3 BOOM
FIGURE 3-2. 3 SECTION BOOM ASSEMBLIES
FIG & ITEM #
PART NUMBER
DESCRIPTION
QTY.
REV.
BOOM ASSEMBLY (STANDARD PARTS)
Ref.
1
0800401
Base Weldment
1
2
0960651
Bushing, Bronze
2
3
0800399
Mid Weldment
1
4
0237564
Sheave Assembly
1
0960406
Bushing
2
5
3421348
Pin, Sheave
1
6
4761800
Lockwasher 1/2"
1
7
0651808
Bolt 1/2"-20NF x 1"
1
8
4751500
Flatwasher 5/16"
8
9
2160002
Fitting, Grease
5
10
3420650
Pin, Clevis (Retract Chain)
2
11
1260164
Chain, Retract
1 set
12
1260165
Chain, Extend
1 set
13
1681543
Telescope Cylinder Assembly (See Section 5 for Break-
down)
1
14
3420414
Pin, Clevis
4
15
4751400
Flatwasher 1/4"
A/R
16
3450203
Pin, Cotter 1/8" x 3/4"
7
17
3300241
Locknut 3/4"-10NC Grade 8
2
18
4740057
Washer, Hardened
2
19
3312202
Nut, Jam 3/4"-10NC
2
20
0236044
Chain Adjuster Assembly (See Items 201-209 for
Breakdown)
1
21
3421029
Pin, Clevis
1
22
4300031
Stud (Welded on Part)
A/R
23
3311401
Nut 1/4"-20NC
A/R
24
4761400
Lockwasher 1/4"
A/R
25
1670319
Plate, Cover
1
26
1360160
Clevis, Chain Attach
2
27
3420867
Pin, Chain Attach
2
28
4740003
Washer, Hardened
1
29
3420865
Pin, Adjuster
1
30
3450403
Pin, Cotter 1/4" x 3/4"
3
31
3509928
Plate, Clevis
1
32
1360100
Clevis, Adjuster
1
33
4280242
Strip, Reinforcement
1
34
0641608
Bolt 3/8"-16NC x 1"
18
35
4751600
Flatwasher 3/8"
A/R
36
4761600
Lockwasher 3/8"
56
37
3311601
Nut 3/8"-16NC
A/R
38
0641407
Bolt 1/4"-20NC x 7/8"
A/R
39
4060595
Shield
1
40
4340413
Support, Line
4
41
Not Used
42
1670321
Cover, Side
1
43
4300042
Stud
8
44 to 45
Not Used