Lull 6K Service Manual - Manual (Page 342)

Boom and Transfer
6-92 Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K
Fig. 6-90: Boom Section Gaps – Front of 3-Section Boom
3. (Ref. Fig. 6-90) Measure the gap between boom sections at all upper
pads. If the dimensions are not within the specified range, proceed to
Step 4. If the dimensions are within the specified range, proceed to
Step 5.
Fig. 6-91: Lower Shim Installation – Front of 3-Section Boom
4. (Ref. Fig. 6-91) Install/remove shim(s) under the indicated pads to
obtain clearances specified in Step 3.
J1056
0.938"–1.000"
(15/16"–1")
0.625"–.688"
(5/8"–11/16")
J1057
Install shim(s) under
these pads