JLG 4017 Parts Manual - Manual (Page 35)

BOOM
3121859 4017 2-7
Figure 2-3 Second Boom Section
Item Part Number Qty. Description Rev.
1 0801445 1 SECOND BOOM SECTION Q
2 3423116 3 PIN
3 3760489 6 RETAINING RING
4 1360276 1 CLEVIS, BL666
5 3760488 2 RETAINING RING
6 3423110 1 CHAIN PIN
7 4740535 8 SPECIAL WASHER
8 3960585 8 WIPER SEAL
9 0440298 4 BEARING
10 3580330 2 SHEAVE
11 3423118 2 EXTENSION SHEAVE PIN
12 4220215 4 PIN STOP PLATE
13 0761210 8 HEX HD CAPSCREW, M12-1.75X20mm
14 Ref EXTENSION CHAIN, BL1066, (see Figure 2-5, item 20 for details)
15 Ref RETRACT CHAIN, BL666, (see Figure 2-7, item 5 for details)
16 Ref EXTENSION CHAIN, BL666, (see Figure 2-7, item 12 for details)
17 1360282 2 CLEVIS, BL666
19 3292001 4 HEX NUT, M20X2.5, (torque to 135 Nm)
20 Ref RETRACT CHAIN, BL666, (see Figure 2-5, item 13 for details)
21 2160016 2 GREASE FITTING, STRAIGHT
22 0440296 2 BEARING
23 Ref THIRD BOOM SECTION, (see Figure 2-5 for details)
24 3423117 2 RETRACT SHEAVE PIN
25 3580336 2 SHEAVE
26 2160018 2 GREASE FITTING, 90 DEGREES
27 0100011 AR LOCTITE, #242, (apply to item 13)
28 1001099193 AR LUBE, ALL PURPOSE, (apply to items 9 & 22)