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Page Title:
Table 3. Manifold Heater System Troubleshooting Procedures |
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 TM 9-2320-361-24-1
0006 00
MECHANICAL SYSTEMS TROUBLESHOOTING - UNIT (Contd)
Table 3. Manifold Heater System Troubleshooting Procedures (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE CRANKS BUT
WARNING
WILL NOT START IN COLD
Diesel fuel is flammable. Do not
WEATHER (FUEL SYSTEM
perform troubleshooting checks
OPERATING PROPERLY)
near open flame, sparks, or
(Contd)
electricity. Injury or death to
personnel may result.
NOTE
Have a drainage container ready
to catch fuel.
During steps 3 and 4, do not
confuse in-tank fuel pump
pressure with manifold heater
pump pressure.
3. Disconnect fuel line at fuel
1. If fuel is not discharged, replace
nozzle, energize manifold heater
manifold heater fuel pump
circuit, and check to see if fuel is
discharged.
2. Remove fuel return lines
and check to see if fuel is
discharged. If fuel is not
discharged, replace manifold
heater (WP 0065 00 or
4. Check fuel nozzle for proper
Replace damaged fuel nozzle.
operation.
Table 4. Cooling System Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. ENGINE TEMPERATURE
WARNING
GAUGE ABOVE 230 F
Use caution when removing
(110 C)
radiator filler cap. Steam or hot
coolant under pressure may cause
injury to personnel.
If fuel grade is incorrect, completely
1. Ensure engine fuel supply grade
drain fuel system and replace fuel
is correct for vehicle use and
with correct grade
climatic conditions
(TM 9-2320-361-10).
(TM 9-2320-361-10).
If coolant is not within a safe
2. Check coolant protection level
range, service cooling system
with antifreeze tester.
1. If engine temperature gauge is
3. Check engine temperature gauge
defective, replace (WP 0095 00).
and engine temperature sending
unit (WP 0014 00, table 1,
2. If engine temperature sending
malfunction 2).
unit is defective, replace
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