TM 1-1520-238-23
11-1209
11.284.
RIGGING COLLECTIVE UPPER FLIGHT CONTROLS – continued
ad. Inspect (QA).
ae. Check collective controls for freedom of
movement and 0.0625 INCH clearance be-
tween control rod, bellcranks, and structure.
(1) Slowly move collective stick (2) to full up;
check for freedom of movement and clear-
ance of 0.0625 INCH between control rods
and bellcranks and structure.
(2) If clearance is not 0.0625 INCH, go to step
w.(1).
(3) Slowly move collective stick (2) to full down;
check for freedom of movement and clear-
ance of 0.0625 INCH between control rods,
bellcranks, and structure.
(4) If clearance is not 0.0625 INCH go to step
y.(1).
af. Perform collective flight control rigging main-
tenance operational check (TM 1-1520-238-T).
ag. Disconnect maintenance headset (para 1.134).
ah. Install pilot collective stick cover (para 11.44).
ai. Remove external hydraulic power from air-
craft (para 1.72).
aj. Install access panels R200 and L200 (para
2.2).
END OF TASK
1
2
M04-3015-20
