TM 9-4940-568-34
3-59
c. Adjustment
NOTE
This
procedure
requires
operation of crane. Refer to (TM
9-4940-568-10).
(1) Start FRS.
(2) With help from assistant, operate crane
and extend and retract boom fly section
(5).
(3) With
help
from
assistant,
hold
machinists rule at outer end of boom
mid section (8); obtain reading to
determine high spot of boom fly section
(5).
(4) Operate crane to place high spot of
boom fly section (5) directly under
setscrew (7).
(5) Adjust setscrew (7) for 0.06 in. (0.15 cm)
maximum clearance between setscrew
(7) and high spot of boom fly section (5).
(6) Tighten jam nut (6) on setscrew (7).
(7) Shut down FRS.
END OF TASK
Follow-On Maintenance
Install boom sheave
(para 5-7).
Install hook block
assembly (para 5-6).
Check crane for proper
operation and hydraulic
leaks (TM 9-4940-568-10).
Load test crane
(para 3-5).