JLG G12-55A Parts Manual - Manual (Page 43)

BOOM
3126020 G10-55A, G12-55A 2-15
Figure 2-3 Second Boom Section
Item Part Number Qty. Description Rev.
1 91566007 1 SECOND BOOM SECTION, (G12-55A) P
2 2160002 3 LUBE FITTING, STRAIGHT, 1/8
3 91401189 2 KEEPER
4 0641808 4 HEX HD CAPSCREW, 1/2-13X1, GR5
5 91565005 3 EXTEND CHAIN ROLLER ASSY, (includes items 6 thru 8) D
6 91563026 3 EXTEND ROLLER CHAIN
7 91563025 3 BUSHING
8 91403119 6 SEAL
9 1360301 1 CLEVIS, BL 1066
10 4892200 4 HARDENED WASHER, 3/4
11 0682214 4 HEX HD CAPSCREW, 3/4-10X1-3/4, GR8.8, (torque to 340-365 lb-ft)
12 91563035 1 LEAF CHAIN, BL 1066
13 1360296 1 CLEVIS, BL 866
14 1360300 1 CLEVIS, BL 1066
15 4761800 5 LOCKWASHER, 1/2
16 0641607 3 HEX HD CAPSCREW, 3/8-16X7/8, GR5
17 91041451 8 WASHER, (as required)
91041449 AR WASHER
91041450 AR WASHER
91041596 AR WASHER
18 88501314 1 HEX NUT, 7/8-14
19 88501414 1 HEX JAM NUT, 7/8-14, (torque to 100 lb-ft)
20 91561095 1 CHAIN BLOCK, (Before S/N 0160038538)
1001116033 1 CHAIN BLOCK, (S/N 0160038538 & After)
21 91161213 1 SPRING STOP, (Before S/N 0160038538)
1001116125 1 SPRING STOP, (S/N 0160038538 & After)
22 91563030 1 CHAIN SHEAVE PIN
23 91163161 1 SPRING
24 1001129352 1 SHEAVE PIN
25 Ref LEAF CHAIN, (see Figure 2-7, item 12 for details)
26 91513176 2 CHAIN PIN
27 88581115 4 RETAINING RING
28 91563219 1 SPRING
29 91561107 1 SPECIAL WASHER
30 3313001 2 HEX NUT, 1-1/4-7
31 3313002 2 HEAVY HEX JAM NUT, 1-1/4-7, (torque to 100 lb-ft)
32 4751600 3 FLAT WASHER, 3/8
33 4761600 3 LOCKWASHER, 3/8
34 91566025 1 HOSE GUIDE BRACKET WELD
35 Ref THIRD BOOM SECTION, (see Figure 2-5 for details)
36 91143024 1 HOSE SHEAVE
37 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)
38 0641826 1 HEX HD CAPSCREW, 1/2-13X3-1/4, GR5
39 91413122 1 CHAIN PIN
40 88581112 2 RETAINING RING
41 Ref CLEVIS, (see Figure 2-1, item 11 for details)
42 Ref LEAF CHAIN, (see Figure 2-5, item 19 for details)