TM 5-2410-241-23-1
0019
Table 1. Engine Troubleshooting Procedures.
0019
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Alternator (Charging
1. Inspect alternator drive belt and
1. If problem is found, verify
Problem)
pulleys. Refer to Drive Belt and
correct operation of machine
Pulley Inspection (WP 0098).
(TM 5-2410-241-10).
2. If alternator drive belt and pulleys
are OK, proceed to step 2.
2. Check charging circuit
1. Verify correct operation of
machine (TM 5-2410-241-10).
2. Coolant in Engine Oil
1. If problem is found, verify
1. Inspect engine water pump for
correct operation of machine
coolant leakage. Refer to Engine
(TM 5-2410-241-10).
Water Pump Inspection
2. If engine water pump is OK,
proceed to step 2.
1. If problem is found, verify
2. Inspect aftercooler water pump
correct operation of machine
for coolant leakage. Refer to
(TM 5-2410-241-10).
Aftercooler Water Pump Inspec-
2. If aftercooler water pump is OK,
tion (WP 0026).
proceed to step 3.
1. If problem is found, verify
3. Inspect cylinder head and gasket.
correct operation of machine
Refer to Cylinder Head and Gas-
(TM 5-2410-241-10).
ket Inspection (WP 0025).
2. If cylinder head and gasket are
OK, proceed to step 4.
4. Replace engine. Refer to Engine
Replacement (WP 0057).
3. Engine Cranks but Will
1. If fluids are low, add fluid as nec-
1. Visually inspect fluid levels of
Not Start
essary (TM 5-2410-241-10).
engine (fuel, oil and coolant)
in accordance with TM 5-2410-
2. If fluid levels are OK, proceed to
241-10.
step 2.
1. If codes are present, troubleshoot
2. Connect MSD (WP 0016). Check
the applicable code(s) (WP 0013).
for Diagnostic Codes or Event
Codes (WP 0013).
2. If no codes are present, proceed
to step 3.
1. If problem is found, verify
3. Check if ECM is energizing the
correct operation of machine
injector solenoids. Refer to Injec-
(TM 5-2410-241-10).
tor Solenoid Test (WP 0025).
2. If injector solenoids are OK,
proceed to step 4.
4. Perform Fuel Quality Test
1. If problem is found, verify
correct operation of machine
(TM 5-2410-241-10).
2. If fuel quality is OK, proceed to
step 5.
