TM-9-2320-361-20

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

TECHNICAL MANUAL; UNIT MAINTENANCE

OCTOBER 1991

TM-9-2320-361-20 - Page 136 of 1207

TM 9-2320-361-20

Table 2-2. Mechanical Troubleshooting (Contd).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Step 5. Check fuel pump discharge.

a. Remove fuel line from fuel pump output (para. 14-4).

b. Use clean container for fuel discharge recovery.

c. Position heater control box to RUN position.

d. If fuel pump fails to pump adequate amount of fuel, 1/2-pint (0.24 liter) in 30 seconds,

replace (para. 14-4).

Step 6. Inspect exhaust system for restrictions.

If exhaust pipe is restricted or damaged, repair or replace (para. 14-6).

Step 7. If fuel burning heater still fails to operate, replace fuel burning heater (para. 14-2).

Step 8. Check for proper operation of defroster and heat diverter control cables

(TM 9-2320-361-10).

If control cables or vent are broken, replace (paras. 11-40 and 11-41).

END OF TESTING!

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