TM 55-1520-240-23-10
13-8
INSTALL HEATER
(Continued)
13-8
19.
Lockwire electrical connector (21). Use lockwire
(E231).
20.
Install screw (22), two washers (23), clamp (24),
wires (25), and nut (26) through fan (2).
21.
Turn low pressure tube (27) and high pressure
tube (28) toward heater (3).
22.
Connect low pressure tube (27) to air inlet duct
(10).
23.
Connect high pressure tube (28) to adapter (1).
24.
Tighten nuts (29) on air pressure switch (30).
13-50