JLG G12-55A Parts Manual - Manual (Page 63)

BOOM
3126020 G10-55A, G12-55A 2-35
Figure 2-7 Fourth Boom Section
Item Part Number Qty. Description Rev.
1 1001103313 1 FOURTH BOOM SECTION, (G12-55A Before S/N 0160037689) D, 3
1001102832 1 FOURTH BOOM SECTION, (G12-55A S/N 0160037689 thru 0160038533) E
1001114008 1 FOURTH BOOM SECTION, (G12-55A S/N 0160038538 & After) D
2 91161180 1 KEEPER
3 88581112 2 RETAINING RING, 3/8
4 4761600 4 LOCKWASHER, 3/8
5 0641606 2 HEX HD CAPSCREW, 3/8-16X3/4, GR5
6 91413122 1 CHAIN PIN
7 91033187 1 BEARING PAD
8 4891600 2 HARDENED WASHER, 3/8
9 0651612 2 HEX HD CAPSCREW, 3/8-24X1-1/2, GR5
10 4892400 2 HARDENED WASHER, 7/8
11 88501414 1 HEX JAM NUT, 7/8-14, (torque to 100 lb-ft)
12 91563035 1 EXTEND CHAIN, BL 1066
13 1360300 1 CLEVIS, BL 1066
14 91513176 1 CHAIN PIN
15 88581115 2 RETAINING RING, 7/16
16 3313001 1 HEX NUT, 1-1/4
17 3313002 1 HEAVY HEX JAM NUT, 1-1/4-7, (torque to 100 lb-ft)
18 1360297 1 CLEVIS, BL 866
19 88501314 1 HEX NUT, 7/8-14
20 Ref RETRACT CHAIN, BL 866, (see Figure 2-5, item 19 for details)
21 91166039 1 BRACKET
22 0641608 2 HEX HD CAPSCREW, 3/8-16X1, GR5
23 91563243 4 BUSHING