TM 55-1520-240-23-10
13-8
INSTALL HEATER
(Continued)
13-8
3.
Lockwire clamp (4). Use lockwire (E231).
4.
Install combustion tube (5) and two clamps (6)
on adapter (1) and heater (3).
5.
Torque clamps (6) to 40 inch-pounds.
6.
Lockwire clamps (6). Use lockwire (E231).
7.
Position heater (3), adapter (1), and fan (2) on
transition duct (7) so flue drain (8) aligns with
exhaust pipe (9).
8.
Slide air inlet duct (10) on fan (2).
13-47