Lull 6K Service Manual - Manual (Page 487)

Boom and Transfer
Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K 6-237
e. Slowly lift the boom and boom cradle assembly up and away from
the machine. Place the assembly on support blocks on a firm level
surface.
Fig. 6-251: Boom Cradle Installation
10. (Ref. Fig. 6-251) The following steps are necessary if the boom is
being removed separately from the boom cradle.
a. Remove the boom hoist cylinder (See page 6-12).
b. Remove the rear carriage tilt cylinder (See page 6-24).
c. Remove the boom as described in this section.
d. Use sling(s), crane, or other suitable means to support the boom
cradle assembly.
WARNING: To avoid personal and/or equipment damage, support the
boom cradle assembly before removing any additional
mounting hardware. Use suitable blocking and lifting devices
when removing heavy machine components.
e. Remove two (2) rear support block assemblies (Items 13 thru 17)
as described in Step 3 and Step 4 under “Rear Spacer Blocks,
Support Blocks, and Shims” on page 6-242.
f. Remove two (2) spacer block assemblies (Items 6 thru 12) as
described in Step 5 thru Step 7 under “Rear Spacer Blocks,
Support Blocks, and Shims” on page 6-242.
J
1166
1
# Description
1 Nut
2 Lockwasher
3 Capscrew
4 Front Slide Block
5 Boom Cradle
6 Setscrew
7 Spindle Nut
8 Sleeve
9 Shim
# Description
10 Spacer Block
11 Flatwasher
12 Capscrew
13 Rear Support Block
14 Spacer (1/4" Thick)
15 Shim (22 Gauge)
16 Lockwasher
17 Capscrew
2
4
3
7
6
8
9
10
11
12
5
13
14
15
16
17