JLG G12-55A Parts Manual - Manual (Page 31)

BOOM
3126020 G10-55A, G12-55A 2-3
Figure 2-1 First Boom Section
Item Part Number Qty. Description Rev.
1 91576001 1 FIRST BOOM SECTION, (G10-55A Before S/N 0160038500 including
0160038505 & 0160038507 excluding 0160038324, 0160038489 &
0160038493) K
1001113588 1 FIRST BOOM SECTION, (G10-55A S/N 0160038500 & After including
0160038324, 0160038489 & 0160038493 excluding 0160038505 &
0160038507) C
2 2160002 2 LUBE FITTING, STRAIGHT, 1/8
3 8310067 1 HEX LOCKNUT, 3/4-10
4 88212287 1 SOCKET HD CAPSCREW, 3/4-10X6, GR8
5 Ref SECOND BOOM SECTION, (see Figure 2-3 for details)
6 4761800 2 LOCKWASHER, 1/2
7 Ref CROWD CYLINDER, (see Figure 9-2 for details)
8 91161218 2 SPECIAL WASHER
9 91163163 2 SPRING
10 1360296 3 CHAIN CLEVIS, BL 866
11 91413122 3 CHAIN PIN
12 88581112 6 RETAINING RING
13 88501314 4 HEX NUT, 7/8-14
14 88501414 3 HEX JAM NUT, 7/8-14, (torque to 100 lb-ft)
15 91561156 1 CROWD CYLINDER SUPPORT
16 0641818 2 HEX HD CAPSCREW, 1/2-13X2-1/4, GR5
17 Ref RETRACT CHAIN, (see Figure 2-3, item 42 for details)
18 3311801 2 HEX NUT, 1/2-13
19 0682214 4 HEX HD CAPSCREW, 3/4-10X1-3/4, GR8.8
20 4892200 4 HARDENED WASHER, 3/4
21 91141301 2 BUSHING
22 91161211 1 CABLE ADJUSTING BLOCK
23 91163161 1 SPRING
24 91161213 1 STOP BAR
25 Ref EXTEND CHAIN, (see Figure 2-5, item 2 for details)
26 3423247 1 BOOM PIVOT PIN
27 4711800 2 FLAT WASHER, 1/2
28 8522012 AR ANTI-SIEZE