Lull 6K Service Manual - Manual (Page 373)

Boom and Transfer
Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K 6-123
Fig. 6-130: Chain Roller Installation, Middle Boom
16. (Ref. Fig. 6-130) Install the chain roller assembly on the front of the
middle boom section as follows:
a. Install the two (2) shims (Item 1), chain guide washers (Item 2),
new chain roller bushings (Item 3), new hardened bushings
(Item 4), and the chain roller (Item 5) on the front of the middle
boom section with a chain roller pin (Item 6).
Note: Apply EP lithium based grease to the bushings before installing
them.
b. Apply thread locking compound to the capscrew (Item 9) and
secure the chain roller pin to the boom section with a lock pin
(Item 7), lockwasher (Item 8) and capscrew. Torque the capscrew
to 55 ft-lbs.
J
1
289
# Description
1 Shim
2 Chain Guide Washer
3 Chain Roller Bushing
4 Hardened Bushing
5 Chain Roller
# Description
6 Chain Roller Pin
7 Lock Pin
8 Lockwasher
9 Capscrew
1
2
3
4
3
2
1
6
7
8
9
4
5