TM-9-2320-209-34-2-3

2½-TON, 6X6, M44A1 AND M44A2 SERIES TRUCKS (MULTIFUEL)

TECHNICAL MANUAL; MAINTENANCE; DIRECT SUPPORT AND GENERAL SUPPORT LEVEL; VOLUME 2 OF 2; PART 3 OF 3

MAY 1981

TM-9-2320-209-34-2-3 - Page 474 of 592

TM 9-2320-209-34-2-3

f.

Functional Test.

FRAME 1

1.

Make sure emergency switch (1) is in ON position.

2.

Pull AIR control knob (2) all the way out.

3.

Set heater motor switch (3) to START position,. Hold switch in this position for

at least 10 seconds or until indicator lamp (4) lights.

4.

Set heater motor switch (3) to RUN position.

NOTE

If heater motor switch (3) is moved to RUN position

before indicator lamp (4) lights, heater will not work.

5.

Set blower switch (5) to LO position, then set switch to HI position.

6.

A change in blower speed should be noted.

Air coming from heater should be

very warm.

7.

Set heater motor switch (3) to OFF position.

8.

Push in AIR control knob (2).

END OF TASK

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