TM 9-4940-568-34
3-55
(16) Position telescopic cylinder (3) in boom
base section (6) with four washers (5)
and screws (4).
(17) Tighten four screws (4) to 144-156 lb-ft
(205-237 N.m).
(18) Connect hoses (2 and 1) to telescopic
cylinder (3).
c. Adjustment
NOTE
This
procedure
requires
operation of crane. Refer to (TM
9-4940-568-10).
(1) Start FRS.
(2) Place MAIN hydraulic power switch in
ON position.
(3) With help from assistant, operate crane
and extend and retract boom mid
section (9).
(4) With
help
from
assistant,
hold
machinists rule at outer end of boom
base section (6); obtain reading to
determine high spot of boom mid
section (9).
(5) Operate crane to place high spot of
boom mid section (9) directly under
setscrew (8).
(6) Adjust setscrew (8) for 0.06 in. (0.15 cm)
maximum clearance between setscrew
(8) and high spot of boom mid section
(9).
(7) Tighten jam nut (7) on setscrew (8).
END OF TASK
Follow-On Maintenance
Install boom fly section
(para 3-16).
Check crane for proper
operation and hydraulic
leaks (TM 9-4940-568-10).
Load test crane
(para 3-5).
