ARCTIC HEATER DIAGNOSTIC TROUBLESHOOTING (ORGANIZATIONAL LEVEL) (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

9. ARCTIC HEATER DIAGNOSTIC TROUBLESHOOTING (ORGANIZATIONAL LEVEL) (MODEL B)

(CONT).

NOTE

Audible clicking and no or low fuel flow may indicate the arctic heater fuel system

is not primed.

Arctic heater may go into lockout (code 050), due to too many start attempts. If arctic

heater goes into lockout, go to Step 36.

Step 34.

Attempt to prime arctic heater fuel system. Turn arctic heater switch on and observe

system operation. If system shuts down after the second start attempt, turn arctic heater

switch off and on to repeat start cycle. Repeat start cycle four times (eight start attempts)

or until arctic heater starts.

If arctic heater does not operate, go to Step 36.

If arctic heater fuel metering pump fails to prime within ten start attempts, replace

arctic heater fuel metering pump (para 20-3).

Step 35.

Go to Step 42.

Step 36.

If Fault Code Retrieval Device (FCRD) is available, clear fault code 050 and go to Step 34.

Step 37.

If Fault Code Retrieval Device (FCRD) is not available, go to Step 44.

Step 38.

Turn arctic heater on.

Step 39.

Check if arctic heater operates.

If arctic heater operates, go to Step 42.

Step 40.

If Fault Code Retrieval Device (FCRD) is available, clear fault code 050 and go to Step 42.

Change 7

2-268.9