JLG G12-55A Parts Manual - Manual (Page 61)

BOOM
3126020 G10-55A, G12-55A 2-33
Figure 2-7 Fourth Boom Section
Item Part Number Qty. Description Rev.
1 1001103314 1 FOURTH BOOM SECTION, (G10-55A Before S/N 0160037689 excluding
0160034699) D, 3
1001103339 1 FOURTH BOOM SECTION, (G10-55A S/N 0160037689 thru 0160038486
including 0160038505 & 0160038507 excluding 0160038324, 0160038489 &
0160038493) F
1001113745 1 FOURTH BOOM SECTION, (G10-55A S/N 0160038500 & After including
0160038324, 0160038489 & 0160038493 excluding 0160038505 &
0160038507) C
2 91163036 1 EXTEND CHAIN, BL 866
3 1360293 1 CLEVIS, BL 666
4 1360297 1 CLEVIS, BL 866
5 91413122 1 CHAIN PIN
6 88581112 2 RETAINING RING, 3/8
7 88501314 1 HEX NUT, 7/8-14
8 88501414 1 HEX JAM NUT, 7/8-14, (torque to 100 lb-ft)
9 91161180 1 KEEPER PLATE
10 0641608 2 HEX HD CAPSCREW, 3/8-16X1, GR5
11 4761600 4 LOCKWASHER, 3/8
12 4891600 2 HARDENED WASHER, 3/8
13 91166039 1 BRACKET
14 0651612 2 HEX HD CAPSCREW, 3/8-24X1-1/2, GR5
15 91033187 1 BEARING PAD
16 88501312 1 HEX NUT, 3/4-16
17 88501412 1 HEX JAM NUT, 3/4-16, (torque to 100 lb-ft)
18 4892200 2 HARDENED WASHER, 3/4
19 Ref RETRACT CHAIN, BL 866, (see Figure 2-5, item 8 for details)
20 88681344 2 RETAINING RING, 5/16
21 91413129 1 CHAIN PIN
22 88671001 2 LUBE FITTING, STRAIGHT, 1/8
23 0641606 2 HEX HD CAPSCREW, 3/8-16X3/4, GR5
24 91563243 4 BUSHING