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

BOOM
3126020 G10-55A, G12-55A 2-27
Figure 2-5 Third Boom Section
Item Part Number Qty. Description Rev.
1 91566008 1 THIRD BOOM SECTION, (G12-55A Before S/N 0160038538) L
1001114001 1 THIRD BOOM SECTION, (G12-55A S/N 0160038538 & After) E
2 Ref FOURTH BOOM SECTION, (see Figure 2-7 for details)
3 91041451 4 WASHER, (as required)
91041449 AR WASHER
91041450 AR WASHER
91041596 AR WASHER
4 91161267 1 CHAIN SHEAVE PIN
5 88671001 2 LUBE FITTING, STRAIGHT, 1/8, (Before S/N 0160037689)
2160002 2 LUBE FITTING, STRAIGHT, 1/8, (S/N 0160037689 & After)
6 91401189 2 KEEPER
7 4761800 4 LOCKWASHER, 1/2
8 0641808 4 HEX HD CAPSCREW, 1/2-13X1, GR5
9 91565004 1 CHAIN ROLLER ASSY, (includes items 10 thru 12) C
10 86921268 2 SEAL
11 91163204 1 BUSHING
12 91563021 1 ROLLER
13 1360300 2 CLEVIS, BL 1066
14 91513176 2 CHAIN PIN
15 88581115 4 RETAINING RING
16 3313001 2 HEX NUT, 1-1/4-7
17 3313002 2 HEAVY HEX JAM NUT, 1-1/4-7, (torque to 100 lb-ft)
18 91563035 2 EXTEND CHAIN, BL 1066
19 91563036 1 RETRACT CHAIN, BL 866
20 Ref CLEVIS, (see Figure 2-3, item 13 for details)
21 91565005 1 EXTEND CHAIN ROLLER ASSY, (includes items 23, 25 & 26) D
22 91563030 1 CHAIN SHEAVE PIN
23 91403119 2 SEAL
24 Ref CLEVIS, (see Figure 2-7, item 18 for details)
25 91563025 1 BUSHING
26 91563026 1 EXTEND CHAIN ROLLER ASSY
27 Ref CLEVIS, (see Figure 2-3, item 9 for details)
28 Ref LEAF CHAIN, (see Figure 2-7, item 12 for details)
29 Ref CLEVIS, (see Figure 2-3, item 14 for details)
30 Ref LEAF CHAIN, (see Figure 2-3, item 12 for details)
31 3020040 AR MOLY PASTE