TM 55-1520-240-23-10
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INSTALL DEFROST VALVE
(Continued)
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5.
Slide hose (1) over joint between valve (2) and
distributor duct (8). Install two clamps (9).
6.
Insert cockpit defrost control cable (10) in cable
clamping nut (11).
7.
Have helper, in cockpit, hold cockpit defrost
control handle (12) in a position 1/16 to 1/8 inch
short of fully closed.
8.
Hold valve (2) fully closed. Tighten clamping nut
(11).
9.
Have helper operate handle (12). Check that
valve (2) opens and closes.
INSPECT
10.
Position aft floor access panel (13) in cockpit.
Install 22 screws (14) and washers (15).
FOLLOW-ON MAINTENANCE:
Install cockpit aft floor (Task 2-84).
END OF TASK
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