SPECIAL PURPOSE KITS: ARCTIC WINTERIZATION KIT

TM 9-2320-386-10

Table 3-1. Troubleshooting (Contd).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

SPECIAL PURPOSE KITS:

ARCTIC WINTERIZATION KIT

32. ENGINE FAILS TO REACH OPERATING TEMPERATURE

Check to see if radiator cover aperture flap is open (para. 2-43).

Roll flap down closed if open.

33. ENGINE TEMPERATURE EXCEEDS 230F (110C)

Check to see if radiator cover aperture flap is closed (para. 2-43).

Roll flap open and secure if closed.

34. FUEL BURNING PERSONNEL HEATER FAILS TO START WHEN RUN-OFF-

START SWITCH IS HELD IN START POSITION

WARNING

Exhaust gases can kill. Do not operate engine coolant

heater in closed area occupied by personnel. Doing so

may result in injury to personnel.

Do not perform fuel system checks or services while

smoking or near fire, flames, or sparks. Always keep

a fire extinguisher nearby. Fuel may ignite causing

injury to personnel.

NOTE

If RUN-OFF-START switch is turned to RUN posi-

tion before red indicator light illuminates, heater will

not operate.

Step 1. Press PRESS-TO-TEST button on heater control box to check opera-

tion of circuit.

If red indicator light does not illuminate, notify unit maintenance.

Step 2. Check to see if HI-LO switch on heater control box is set to HI.

Set HI-LO switch to HI.

Step 3. Check fuel level on fuel gauge.

Fill fuel tank if necessary (para. 1-16).

Step 4. Check to see if personnel heater shutoff cock is closed. Refer to

Open personnel heater shutoff cock.

END OF TESTING!