TM 55-1520-240-23-10
16-83
CHECK SEAT ARMOR CLEARANCE
(Continued)
16-83
NOTE
Steps 5 thru 8 apply to copilot’s seat
only.
5.
Apply electrical and hydraulic power to the
helicopter (Task 1-36 or 1-37 and 1-39).
6.
Check that seat is fully up and forward.
Before moving thrust control, check for
obstructions near blades. As controls
are moved, blades can swing through
lead-lag range. Blade damage can
result if blades strike an obstruction.
7.
Slowly pull thrust control (6) fully up. Check that
side armor panel (1) clears thrust control by at
least 0.25 inch. If not, adjust panel as in step 3.
8.
Remove electrical and hydraulic power from
helicopter (Task 1-36 or 1-37 and 1-38).
9.
Operate seat fully down.
10.
Slowly move seat fully aft. As seat moves, check
that panels (1 and 2) clear helicopter structure
by at least 0.25 inch. If not, adjust panels as
in steps 3 and 4.
FOLLOW-ON MAINTENANCE:
None
END OF TASK
16-304
