Inspection Procedures; Fig. 6-55: Gaps Between Pads And Boom - Front Of 4-Section Boom - JLG Lull 1044C-54 II Series Service Manual

Inspection Procedures

4-Section Boom
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11. (Ref. Fig. 6-54) Adjust boom positions to obtain clearances between
boom sections as shown. Measure these clearances at the slide pad
locations.
0.06"–0.12"
(1/16"–1/8")
0.02"–0.08"
(1/64"–5/64")
0.06"–0.12"
(1/16"–1/8")
Front of Boom, Looking Rearward
Fig. 6-55: Gaps Between Pads and Boom – Front of 4-Section Boom
12. (Ref. Fig. 6-55) Install/remove shim(s) under indicated pads to obtain
specified clearances making sure clearances on both sides of each
boom section are the same.
13. Extend boom and lubricate as described under "Lubrication" on
page 6-36.
14. Check boom extension and retraction for binding against slide pads.
These procedures are intended to determine if localized deformation has
occurred on the inner, middle (forward), and middle (rear) boom sections.
1. Extend the boom and lower the forks to the ground.
0.06"–0.12"
(1/16"–1/8")
0.04"–0.10"
(3/64"–7/64")
0.06"–0.12"
(1/16"–1/8")
Boom and Transfer
0.02"–0.08"
(1/64"–5/64")
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