TM 9-6115-730-24
0011
TROUBLESHOOTING FAILURES WITHOUT FAULT CODES - Continued
WARNING
When running, generator set engine has hot metal surfaces that will burn flesh on contact. Shut
down generator set, and allow engine to cool before performing checks, services, and mainte-
nance. Wear gloves and additional protective clothing as required. Failure to comply can cause
injury or death to personnel.
SYMPTOM
25.
Excessive White Smoke.
MALFUNCTION
Engine Temperature Low.
CORRECTIVE ACTION
STEP 1.
Set Battery Disconnect Switch to ON. Set DEAD CRANK SWITCH to NORMAL.
On EMCP set ENGINE CONTROL switch to MANUAL START.
STEP 2.
Check coolant temperature using GSC. (ECM may not be leaving cold mode
operation.) Coolant temperature rises above 64F (17C) as engine heats up.
a.
Verify actual temperature using temperature adapter 6V-9130 and
multimeter 146-4080.
b.
If GSC temperature reading does not match reading on the temperature
adapter/multimeter, replace coolant temperature sensor (WP 0098).
c.
If engine does not warm up, replace engine coolant temperature
thermostat(s) (WP 0081).
STEP 3.
Verify the problem has been resolved.
MALFUNCTION
Engine Timing
CORRECTIVE ACTION
STEP 1.
Inspect/adjust engine timing sensors.
a.
Inspect sensors and adjust if good (WP 0098).
b.
If sensors are damaged, replace and adjust sensors (WP 0098).
STEP 2.
Check proper orientation between crankshaft and camshaft drive gears.
STEP 3.
Verify the problem has been resolved.
0011-31
