Table 21. Personnel Fuel Burning Heater Troubleshooting Procedures - continued

TM 9-2320-361-24-1

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MECHANICAL SYSTEMS TROUBLESHOOTING - UNIT (Contd)

Table 21. Personnel Fuel Burning Heating Troubleshooting Procedures (Contd).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

2. HEATER WILL NOT

WARNING

OPERATE

Diesel fuel is flammable. Do not

perform troubleshooting checks

near open flame, sparks, or

electricity. Injury or death to

personnel may result.

Compressed air source must not

exceed 30 psi (207 kPa). Wear

eyeshields when cleaning with

compressed air. Failure to wear

eyeshields may result in injury to

personnel.

1. Refer to Heating System

Troubleshooting Procedures in

WP 0015 00, malfunction 3.

2. Make sure fuel shutoff valve is in If fuel shutoff valve is damaged (or

stuck in OFF or partial ON

full ON position.

position), replace fuel shutoff valve

(WP 0377 00).

If water or contamination is

3. Check heater fuel filter for

present, clean and flush entire fuel

contamination (WP 0354 00).

system. Dry with compressed air.

4. Check fuel lines for breaks,

If broken, kinked, or leaky joints

bends, kinks, or leaking joints.

are found in fuel lines, replace

(WP 0376 00 and WP 0383 00).

5. Check fuel pump discharge.

1. Remove fuel line from fuel pump

output (WP 0353 00).

2. Use a clean container for fuel

discharge recovery.

3. Position heater control box to

RUN position.

4. If fuel pump fails to pump an

adequate amount of fuel, 1/2 pint

(0.24 liter) in 30 seconds, replace

(WP 0353 00).

6. Inspect exhaust system for

If exhaust pipe is restricted or

restrictions.

damaged, repair or replace

(WP 0355 00).

7. Check for proper operation of

1. If vent or control cables are

defroster and heat diverter

broken, replace (WP 0248 00 and

control cables

WP 0249 00).

(TM 9-2320-361-10).

2. If fuel burning heater still fails to

operate, replace fuel burning

heater (WP 0351 00).

END OF WORK PACKAGE

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