Lull 6K Service Manual User Manual
Page 488
Boom and Transfer
6-238
Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K
g. Slowly lift the boom cradle assembly up and away from the
machine. Place the assembly on support blocks on a firm level
surface.
Installation
Boom Cradle
1. If the boom and boom cradle were removed as an assembly, go to
Step 2. If the boom was removed separately from the boom cradle, go
to Step 3.
2. (Ref. Fig. 6-250) The following steps are required to reinstall the boom
and boom cradle assembly.
a. Using sling(s), crane, or other suitable means of support, slowly lift
the boom and transfer carriage assembly up and unto its proper
position on the machine.
WARNING: To avoid personal and/or equipment damage, supporting the
boom and boom cradle assembly is essential when lifting and
reinstalling it back on the machine. Make sure that the boom
and boom cradle assembly is supported until it is completely
installed.
b. Install two (2) spacer block assemblies (Items 6 thru 12) as
described in Step 8 thru Step 12 under “Rear Spacer Blocks,
Support Blocks, and Shims” on page 6-242.
c. Install two (2) rear support block assemblies (Items 13 thru 17) as
described in Step 13 and Step 14 under “Rear Spacer Blocks,
Support Blocks, and Shims” on page 6-242.
d. Install the two (2) slide blocks (Item 4) to the front of the transfer
carriage with four (4) each capscrews, (Item 3) lockwashers
(Item 2), and nuts (Item 1). Torque the nuts to 130 ft-lbs.
3. (Ref. Fig. 6-251) The following steps are required to reinstall the boom
cradle assembly.
a. Using sling(s), crane, or other suitable means of support, slowly lift
the boom cradle assembly up and unto its proper position on the
machine.
WARNING: To avoid personal and/or equipment damage, support the
boom cradle assembly when lifting and reinstalling it back on
the machine. Make sure that the boom cradle assembly is
supported until it is completely installed.
b. Install two (2) spacer block assemblies (Items 6 thru 12) as
described in Step 8 thru Step 12 under “Rear Spacer Blocks,
Support Blocks, and Shims” on page 6-242.
c. Install two (2) rear support block assemblies (Items 13 thru 17) as
described in Step 13 and Step 14 under “Rear Spacer Blocks,
Support Blocks, and Shims” on page 6-242.