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TM 9-2320-364-20-5
19-33
(2)
Remove six screw washer assemblies (3)
from upper plenums (2). Discard screw
washer assemblies.
(3)
Remove three screws (4), washers (5),
lockwashers (6), clip (7) and upper plenums
(2). Discard lockwashers.
(4)
Remove two push nuts (8) and
cabin/ventilator cable (9) from damper (10).
(5)
Remove damper (10) from lower plenum
(11).
(6)
Remove lower plenum (11) and rest it on
heater (12).
NOTE
Note locations of defroster
tubings before removal.
(7)
Remove four cable ties (13) and remove
defroster tubings (14) from lower plenum
(11).
As tubes are removed plug or
tape all openings to keep out
contaminates. Failure to comply
may cause equipment damage.
(8)
Cover openings in heater assembly (12) with
masking tape.
5
6
3
2
11
7
4
8
10
9
13
14
12
11
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