TM 9-2320-272-10
2-27.
OPERATION OF EXPANSIBLE VAN TRUCK (Contd)
(4)
Open heater fuel shutoff
valve
(5)
Set heater switch (3) to
HEATER (for heated air) or FAN (for unheated
air) as desired. White indicator light (4) should
come on when heater is working properly.
(6)
Set louver operating handles
(4) on each side to control mix of outside air
with recirculated air.
(7)
Open
heat
registers
(7)
below heaters.
(8)
To stop heaters, turn off
heater control switch (3).
CAUTION
Do not turn off heater circuit
breaker switches (switches 5
and 8) until white indicator
light goes off. Damage to
heater will result.
(9)
To secure heater for transit,
turn heater fuel shutoff (5) and turn off left
heater switch (switch 5) and right heater switch
(switch 8), as required.
2-165