Lull 6K Service Manual - Manual (Page 396)

Boom and Transfer
6-146 Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K
23. Lubricate threads on eight (8) capscrews (Item 9) with hydraulic oil.
Coat inside of barrel (Item 4) with hydraulic oil. To avoid damaging
seals during assembly, carefully insert rod and head into barrel. Install
capscrews until snug. Do not torque capscrews (instructions follow).
24. Following sequence shown in Fig. 6-10, torque capscrews to an initial
value of 30 ft-lbs. Follow sequence again and torque capscrews to a
final value of 90 ft-lbs.
25. Install two (2) elbows (Item 6) on cylinder manifold block. Torque elbow
nuts to 75–85 ft-lbs.
4-Section Boom
Description
Fig. 6-153: 4-Section Boom
The 4-section boom is used on 1044C-54 and 10K-54 models. It is a fully
synchronized slide boom with a 54 foot maximum lift height. The boom on
the 1044C-54 has a maximum forward reach of 45 feet while the 10K-54
has a maximum forward reach of 38 feet, 4 inches.
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