Fig. 6-108: Lower Chain Installation - Inner Boom Section; Fig. 6-109: Lower Chain Installation - Middle (Forward) Boom Section - JLG Lull 1044C-54 II Series Service Manual

31200079
# Description
1 Lock Nut
2 Lower Chain
Fig. 6-108: Lower Chain Installation – Inner Boom Section
39. Install lower chain (Item 2) from inside middle (rear) boom section to
rear chain anchor (Item 4) at rear of inner boom section with shoulder
bolt (Item 3) and lock nut (Item 1). Torque lock nut to 108 in-lbs.
# Description
1 Lock Nut
2 Capscrew
3 Lockwasher
Fig. 6-109: Lower Chain Installation – Middle (Forward) Boom Section
40. Install lower chain assembly from inside outer boom section to middle
(front) boom section as follows:
a. Install lower chain anchor (Item 6) on lower chain (Item 4) with
shoulder bolt (Item 5) and lock nut (Item 1). Torque lock nut to 108
in-lbs.
b. Install lower chain anchor on rear of boom section with two (2)
lockwashers (Item 3) and capscrews (Item 2). Torque capscrews to
280 ft-lbs.
1
3
4
# Description
3 Shoulder Bolt
4 Rear Chain Anchor
2
3
1
5
6
# Description
4 Lower Chain
5 Shoulder Bolt
6 Lower Chain Anchor
Boom and Transfer
2
4
6-101