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 155 of 1176
TM 9-2320-361-24-1
0008 00
0008 00-27
MECHANICAL SYSTEMS TROUBLESHOOTING - DIRECT SUPPORT (Contd)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4. FUEL MIXED WITH
WATER WHEN
DISPENSED
Check dump drain valve for proper
operation.
1. If dump drain valve operation is
defective, remove sump assembly
and replace dump drain valves
(WP 0267 00).
2. If dump drain valve operation is
not defective, disassemble sump
valve assembly and inspect
internal components (WP 0267 00).
3. If sump valve components are
defective, replace components
(WP 0267 00).
Table 10. Fuel Tank Troubleshooting Procedures (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. WATER WILL NOT
PUMP FROM
COMPARTMENTS OR
PUMPS SLOWLY
1. Check transfer case power
operations.
2. Check discharge valve operation
for selected compartment.
3. Check delivery pump operation.
If PTO is not operating, refer to
WP 0008 00, table 9, malfunction 2.
1. If discharge valve operation is
defective, remove and inspect
discharge valve internal
components (WP 0265 00).
2. If discharge valve internal
components are defective, replace
components (WP 0265 00).
1. If delivery pump screen and filter
separator are not restricted,
remove and inspect delivery pump
internal components
(WP 0461 00).
2. If delivery pump internal
components are defective, replace
components (WP 0461 00).
2. WATER WILL NOT
GRAVITY DRAIN
FROM SELECTED
COMPARTMENTS
Check discharge valve operation for
selected compartments.
1. If discharge valve operation is
defective, remove and inspect
discharge valve internal
components (WP 0265 00).
2. If discharge valve internal
components are defective, replace
(WP 0265 00).
3. WATER TANK
COMPARTMENTS
CANNOT BE
SUCTION FILLED
1. Check transfer case power takeoff
operations.
2. Check delivery pump operation.
If transfer case PTO is not operating,
refer to WP 0008, table 9,
malfunction 2.
1. If delivery pump screen and filter
separator are not restricted,
remove and inspect delivery pump
internal components (WP 0461 00).
2. If delivery pump internal
components are defective, replace
components (WP 0461 00).
Table 11. Water Tank Troubleshooting Procedures.
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