TM-9-2320-361-10

2-1/2-TON, 6x6, M44A2 SERIES TRUCKS (MULTIFUEL)

OPERATOR'S MANUAL

DECEMBER 1988

TM-9-2320-361-10 - Page 274 of 392

TM 9-2320-361-10

2-57. OPERATION OF VAN BODY HEATER (PRIMARY AND

SECONDARY) KITS (Contd)

(4)

Depress red indicator light (4) to check operation of circuit. If red

indicator light (4) does not illuminate, notify your supervisor.

(5)

Set HI-LO switch (5) to HI (up) or LOW (down) position, depending upon

heating needs.

NOTE

Ž RUN-OFF-START switch is spring-loaded and will return to

OFF position from START position if not held down.

Ž If red indicator light does not illuminate within two

minutes, turn RUN-OFF-START switch to OFF position.

Wait three minutes before trying to start heater again. If

red indicator light does not illuminate after two attempts,

notify your supervisor.

(6)

Turn RUN-OFF-START switch (6) down to START position. Hold in that

position until red indicator light (4) illuminates.

NOTE

If RUN-OFF-START switch is turned to RUN position before

red indicator light illuminates, heater will not operate.

(7)

As soon as red indicator light (4) illuminates, turn RUN-OFF-START switch

(6) to RUN position, with no hesitation at OFF position.

NOTE

Blower motor will continue to run for one to three minutes

after RUN-OFF-START switch is turned to OFF position. Red

indicator light will remain on until fuel in heater burns away

and heater cools.

(8)

After heater operation, turn RUN-OFF-START switch (6) to OFF position.

(9)

Place exhaust blower switch (8) in HIGH (up) or LOW (down) position as

necessary to circulate fresh air into van body.

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