TM-9-2320-361-24-1
2-1/2 TON, 6X6, M44A2 SERIES TRUCKS
TECHNICAL MANUAL; FIELD AND SUSTAINMENT MAINTENANCE PART 1 OF 2
AUGUST 2006
TM-9-2320-361-24-1 - Page 107 of 1176
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
NO FUEL AT FUEL
INJECTORS
WARNING
• Diesel fuel is flammable. Do not
perform troubleshooting checks
near open flame, sparks, or
electricity. Injury or death to
personnel may result.
• Eye protection is required when
performing fuel system
troubleshooting checks. Failure to
wear eye protection may result in
injury to personnel.
• Ignition switch must remain off
during fuel system
troubleshooting checks. Failure to
verify that ignition system is
turned off may result in injury or
death to personnel.
1. Check fuel shutoff for proper
operation.
2. Inspect fuel pump pickup tube
for restrictions (WP 0061 00).
3. Check final fuel filters for
restrictions (WP 0064 00).
Adjust fuel shutoff for proper
operating conditions (WP 0071 00).
Clear restrictions from fuel pump
pickup tube (WP 0061 00).
1. If final fuel filters are restricted
or defective, replace
(WP 0064 00).
2. If final fuel filters are not
restricted and problem persists,
refer to WP 0008 00, table 2,
malfunction 1.
TM 9-2320-361-24-1
0006 00
0006 00-11
MECHANICAL SYSTEMS TROUBLESHOOTING - UNIT (Contd)
Table 5. Fuel System Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
PERSONNEL HOT WATER
HEATER DOES NOT HEAT
CAB
1. Check to ensure engine reaches
normal operating temperature.
2. Check personnel hot water
heater for clogged, broken, or
leaking inlet/outlet hoses.
3. Check for proper personnel hot
water heater control cable and
operation of heater, defroster,
and heater diverter vents and
doors.
4. Check heater blower motor and
fan for proper operation
(TM 9-2320-361-10).
If engine does not reach normal
operating temperature, refer to
WP 0006 00, table 4, malfunction 2.
If personnel hot water heater hoses
are leaking or collapsed, replace
(WP 0079 00).
If control cables are bent or broken,
replace (WP 0249 00).
If damaged, replace personnel hot
water heater (WP 0250 00).
Table 6. Personnel Hot Water Heater Troubleshooting Procedures.
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