Fig. 6-96: Installation Of Lower Chain - Middle (Rear) Boom Section - JLG Lull 1044C-54 II Series Service Manual

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11. Turn middle (rear) boom section over to upright position on work
stands.
3.13"
3
(3-1/8")
View A
3
1
2
# Description
1 Button-Head Socket Capscrew
2 Lockwasher
3 Chain Adjustment Rod
4 Anchor Base
Fig. 6-96: Installation of Lower Chain – Middle (Rear) Boom Section
12. Install lower chain on bottom of middle (rear) boom section as follows:
a. Install chain adjustment block (Item 5) on lower chain with shoulder
bolt (Item 6) and lock nut (Item 7). Torque lock nut to 108 in-lbs.
b. Position chain adjustment block tight against back of anchor base
(Item 4) at bottom of middle (rear) boom section as shown in View
A.
c. Thread chain adjustment rod (Item 3) into block until specified
measurement is obtained.
d. Push adjustment rod fully into anchor base.
e. Lay chain flat inside of middle (rear) section. Attach a cord or wire
to end of chain for ease in handling after all four sections are
assembled.
7
4
4
#
5 Chain Adjustment Block
6 Shoulder Bolt
7 Lock Nut
8 Chain
Boom and Transfer
8
7
6
5
Description
6-91