Fig. 6-66: 4-Section Boom Pivot Pins - JLG Lull 1044C-54 II Series Service Manual

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3
4
7
# Description
1 Nut
2 Lockwasher
3 Boom Pivot Pin
4 Bolt

Fig. 6-66: 4-Section Boom Pivot Pins

19. (Ref. Fig. 6-66) Remove two (2) each nuts (Item 1), lockwashers
(Item 2), and capscrews (Item 4) from boom pivot pins (Item 3).
CAUTION: Make sure slings and chains are secure and crane is
supporting the weight of the boom.
20. (Ref. Fig. 6-66) Using the slide hammer puller, remove the two (2)
boom pivot pins and shims (Item 5).
21. (Ref. Fig. 6-66) Carefully lift the boom assembly (Item 7) clear of the
transfer carriage/boom cradle (Item 6).
22. Swing the boom away from the machine and position it above a firm,
level surface. Rotate the boom upside down and lower it onto support
blocks.
23. Remove the front carriage tilt cylinder. See page 6-19.
1
2
5
5
6
#
5 Shims
6 Transfer Carriage/Boom Cradle
7 Boom Assembly
Boom and Transfer
1
2
4
3
5
Description
6-61