JLG G12-55A Parts Manual User Manual
Page 39
BOOM
3126020
G10-55A, G12-55A
2-11
Figure 2-3 Second Boom Section
Item
Part Number
Qty.
Description
Rev.
1
91576006
1
SECOND BOOM SECTION, (G10-55A)
E
2
4761600
3
LOCKWASHER, 3/8
3
4751600
3
FLAT WASHER, 3/8
4
0641607
3
HEX HD CAPSCREW, 3/8-16X7/8, GR5
5
91566025
1
HOSE GUIDE BRACKET
6
0641826
1
HEX HD CAPSCREW, 1/2-13X3-1/4, GR5
7
4761800
5
LOCKWASHER, 1/2
8
91041451
8
WASHER, (as required)
91041596
AR
WASHER
91041450
AR
WASHER
91041449
AR
WASHER
9
91143024
1
HOSE SHEAVE
10
91161138
Ref
HOSE SHEAVE PIN, (Before S/N 0160026237 excluding 0160025994), (no
longer available, order Kit K1 for replacement)
3423301
1
HOSE SHEAVE PIN, (S/N 0160026237 & After including 0160025994)
11
91161266
1
CHAIN SHEAVE PIN
12
1360297
1
CLEVIS
13
0682214
4
HEX HD CAPSCREW, 3/4-10X1-3/4, GR8.8, (torque to 340-365 lb-ft)
14
4892200
4
HARDENED WASHER, 3/4
15
2160002
4
LUBE FITTING, STRAIGHT, 1/8
16
0641808
4
HEX HD CAPSCREW, 1/2-13X1, GR5
17
91401189
2
PIN KEEPER
18
91161267
1
CHAIN SHEAVE PIN
19
91165022
3
CHAIN ROLLER ASSY, (includes items 20 thru 22)
A
20
86921268
6
SEAL
21
91163204
3
BUSHING
22
91161240
3
ROLLER
23
1360292
1
CHAIN CLEVIS
24
91413129
1
CHAIN PIN
25
88681344
2
RETAINING RING
26
88501312
1
HEX NUT, 3/4-16
27
91161212
1
CABLE ADJUSTING BLOCK
28
91163162
1
SPRING
29
91161214
1
STOP BAR
30
Ref
THIRD BOOM SECTION, (see Figure 2-5 for details)
31
1360296
1
CHAIN CLEVIS, BL 866
32
91161218
1
SPECIAL WASHER
33
91163163
1
SPRING
34
91413122
2
CHAIN PIN
35
88581112
4
RETAINING RING
36
88501414
2
HEX JAM NUT, 7/8-14, (torque to 100 lb-ft)
37
88501314
2
HEX NUT, 7/8-14
38
Ref
LEAF CHAIN, (see Figure 2-7, item 2 for details)
39
Ref
LEAF CHAIN, (see Figure 2-5, item 2 for details)
40
Ref
CLEVIS, (see Figure 2-1, item 10 for details)
41
Ref
LEAF CHAIN, (see Figure 2-5, item 8 for details)
42
91163036
1
RETRACT CHAIN BL, 866
43
88501412
1
HEX JAM NUT, 3/4-16, (torque to 100 lb-ft)
44
3020040
AR
MOLY PASTE