Fig. 6-103: Upper Chain Installation - Inner Boom Section - JLG Lull 1044C-54 II Series Service Manual

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27. (Ref. Fig. 6-102) Install grease hose assembly on rear of inner boom
section as follows:
a. Install two (2) elbows (Item 3) on inside of inner boom section
making sure elbows are in correct position for grease hose to be
connected.
b. Install two (2) bulkhead adapters (Item 4) on rear of inner boom
section (Item 2).
c. Connect two (2) grease hoses (Item 1) to bulkhead adapters.
Torque swivel nuts on grease hoses to 130–150 in-lbs.
d. Connect grease hoses to elbows. Torque swivel nuts on grease
hose to 130–150 in-lbs.
e. Install grease fittings (Item 5) and grease fitting covers (Item 6) on
bulkhead adapters (Item 2). Torque grease fittings 2–3 turns past
finger tight.
28. Turn inner boom section over and place it on work stands in upright
position.
4
2
1
3
# Description
1 Chain Adjustment Anchor
2 Lock Nut
3 Shoulder Bolt
4 Upper Chain
5 Lock Nut
Fig. 6-103: Upper Chain Installation – Inner Boom Section
29. (Ref. Fig. 6-103) Install upper chain assembly on inner boom section
as follows:
a. Install rear chain anchor (Item 9) on inner boom section with two
(2) lockwashers (Item 6) and capscrews (Item 7). Torque
capscrews to 280 ft-lbs.
b. Install upper chain (Item 4) on chain anchor with shoulder bolt
(Item 8) and lock nut (Item 5). Torque lock nut to 108 in-lbs.
c. Install chain adjustment anchor (Item 1) on upper chain with
shoulder bolt (Item 3) and lock nut (Item 2). Torque lock nut to 108
in-lbs.
Boom and Transfer
7
6
5
4
9
# Description
6 Lockwasher
7 Capscrew
8 Shoulder Bolt
9 Rear Chain Anchor
8
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