JLG 4017 Parts Manual - Manual (Page 39)

BOOM
3121859 4017 2-11
Figure 2-5 Third Boom Section
Item Part Number Qty. Description Rev.
1 0801449 1 THIRD BOOM SECTION M
2 0440296 3 BEARING
3 3580332 1 SHEAVE
4 3960585 4 WIPER SEAL
5 4740535 4 SPECIAL WASHER
6 3423121 1 EXTENSION SHEAVE PIN
7 2160016 1 GREASE FITTING, STRAIGHT
8 4220215 2 PIN STOP PLATE
9 0761210 2 HEX HD CAPSCREW, M12-1.75X20
10 Ref FOURTH BOOM SECTION, (see Figure 2-7 for details)
11 3580336 1 SHEAVE
12 1360278 2 CLEVIS, BL666
13 1260392 2 RETRACT CHAIN, BL666
14 3423116 2 PIN
15 3760489 4 RETAINING RING
16 2160018 1 GREASE FITTING, 90 DEGREES
17 3423117 1 RETRACT SHEAVE PIN
19 3292001 4 HEX NUT, M20X2.5
20 1260391 2 EXTENSION CHAIN, BL1066
21 3760490 4 RETAINING RING
22 3423119 2 PIN
23 1360277 2 CLEVIS, BL-1066
24 3423120 2 PIN
25 3760488 4 RETAINING RING
26 Ref RETRACT CHAIN, (see Figure 2-7, item 5 for details)
27 Ref EXTENSION CHAIN, (see Figure 2-7, item 12 for details)
28 0100011 AR LOCTITE, #242, (apply to item 9)
29 1001099193 AR LUBE, ALL PURPOSE, (apply to item 2)