Fig. 6-92: Lower Chains On Outer Boom Section - JLG Lull 1044C-54 II Series Service Manual

31200079
WARNING: To avoid personal and/or equipment damage, make sure the
cylinder is properly supported until it is completely installed.
b. Secure cylinder to outer boom section with hardware as follows.
Use two (2) each nuts (Item 14), flatwashers (Item 7), and
capscrews (Item 6) to secure extension cylinder base mount
(Item 11) to rear of outer boom section. Install as many shims
(Items 12 and 13) as necessary before installing the nuts. Torque
nuts to 680 ft-lbs.
c. Install two (2) hydraulic tubes (Item 9)on extension cylinder elbows
(Item 8). Torque swivel nuts on hydraulic tubes to 79–88 ft-lbs.
d. Install cushion clamp (Item 10) on each hydraulic tube as
described in Substep d under Step 2 on Page 68.
4. Apply EP lithium based grease to the inside top surfaces of outer boom
section (slide pad slide areas).
5. Turn outer boom section over and place it in upright position on work
stands.
View A
6
3.13"
(3-1/8")
8
3
4
3
2
1
4
# Description
1 Capscrew
2 Lockwasher
3 Chain Adjustment Rod
4 Anchor Base
5 Chain Adjustment Block
6 Shoulder Bolt

Fig. 6-92: Lower Chains on Outer Boom Section

6. (Ref. Fig. 6-92) Add lower chain to inside of outer boom section as
follows:
a. Install lower chain anchor (Item 10) on lower chain (Item 7) with
lock nut (Item 9) and shoulder bolt (Item 11). Torque lock nut to 108
in-lbs.
8
7
6
5
#
7 Lower Chain
8 Lock Nut
9 Lock Nut
10 Lower Chain Anchor
11 Shoulder Bolt
Boom and Transfer
9
10
11
7
Description
6-87