ARCTIC HEATER DOES NOT OPERATE (MODEL B)-continued

TM 9-2320-279-20-1

Troubleshooting Malfunctions (Cont)

Table 2-9.

Troubleshooting (Cont)

Malfunction

Test or Inspection

Corrective Action

ARCTIC HEATER KIT

7. ARCTIC HEATER DOES NOT OPERATE (MODEL B) (CONT).

Step 2.

Open battery cover (para 7-91) and check battery terminals.

Clean and tighten battery terminals as required (TM 9-6140-200-14).

Step 3.

Disconnect arctic heater harness connector from arctic heater control unit (para 20-3).

Check voltage on red wire at arctic heater harness connector. Place positive (+) probe at

terminal C2. Place negative (--) probe at terminal C3.

If 24 vdc is present, go to Step 7.

Change 7

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