Lull 6K Service Manual - Manual (Page 491)

Boom and Transfer
Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K 6-241
Fig. 6-253: Shims for Front Support Blocks
8. (Ref. Fig. 6-253) Check to see if the number of shims to be installed is
correct.
a. Place support block on rail so that the lower lip is resting snug
against the inner side of the rail.
b. Insert spacer and shims between support block and boom cradle.
c. Add or remove as many 14 gauge shims as necessary to fill the
gap. Make sure that the same number of shims will be added to
each side of the boom cradle.
9. Install spacer, shims, support block, and roller pin on each side of
boom cradle.
10. Secure roller pins with lock pins and secure lock pins to boom cradle
with lockwashers and capscrews. Tighten capscrews to 55 ft-lbs.
J
1175
Rail
Shim(s)
Support Block
Boom Cradle
Slide Block
Spacer