Lull 6K Service Manual - Manual (Page 490)

Boom and Transfer
6-240 Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K
Front Support Blocks and Shims
Fig. 6-252: Boom Cradle – Front Support Blocks and Shims
(Ref. Fig. 6-252) The following steps are required to replace the front
support blocks and shims.
1. Follow preparation procedures as outlined in Section 3 of this manual.
2. Lower the boom to the ground, apply the park brake, and stop the
engine.
3. Remove capscrew (Item 1) and lockwasher (Item 2) securing the two
(2) lock pins (Item 3) to boom cradle.
CAUTION: To avoid personal and/or equipment damage, support the
boom and boom cradle before removing the front slide block
assembly. Use suitable blocking and lifting devices to prevent
the boom cradle from dropping or shifting from side to side.
4. Remove lock pins from roller pins (Item 4).
5. Raise the boom and boom cradle slightly so that the support blocks no
longer rest on the rails. Block the cradle to prevent it from dropping
during disassembly and reassembly.
6. Remove roller pins, spacer (Item 5), shims (Item 6), and support block
(Item 7) from each side of the boom cradle.
7. Clean parts with solvent and dry with compressed air. Replace any
damaged parts.
J
1173
# Description
1 Capscrew
2 Lockwasher
3 Lock Pin
4 Front Roller Pin
# Description
5 Spacer
6 Shim
7 Support Block
8 Boom Cradle
3
5
6
1
2
7
4
8