TM 9-6115-670-14&P
5-3
SYMPTOM INDEX
Symptom
Page
1.
Engine fails to turn over. ...............................................................................................................5-4
2.
Engine turns over but fails to start ................................................................................................5-5
3.
Engine starts, but stops when start-preheat switch is released ....................................................5-6
4.
Engine stops suddenly..................................................................................................................5-7
5.
Engine runs erratically or misfires.................................................................................................5-8
6.
Engine does not develop full power ..............................................................................................5-9
6a. Engine knocks ..............................................................................................................................5-9
7.
Black smoke in exhaust ..............................................................................................................5-10
8.
Blue or white smoke in exhaust ..................................................................................................5-11
9.
Low oil pressure..........................................................................................................................5-11
10.
Engine overheating.....................................................................................................................5-12
11.
Engine coolant temperature too low ...........................................................................................5-13
12.
DC ammeter shows no charge when vehicle battery is low or discharged .................................5-13
13.
DC ammeter shows excessive charging after prolonged APU operation....................................5-14
14.
Excessive oil consumption..........................................................................................................5-15
14a. High oil pressure.........................................................................................................................5-15
15.
Fuel mixed into lubricant oil ........................................................................................................5-16
16.
Coolant mixed into lubricant oil...................................................................................................5-16
17.
AC voltmeter does not indicate voltage ......................................................................................5-17
18.
AC voltmeter indicates voltage but frequency meter is off scale.................................................5-18
19.
AC voltage fluctuates..................................................................................................................5-19
20.
Frequency fluctuates ..................................................................................................................5-20
21.
Main AC contactor will not close.................................................................................................5-21
22.
Oil pressure fault indicator lights.................................................................................................5-21
23.
Water temp fault indicator lights..................................................................................................5-21
24.
Overspeed fault indicator lights...................................................................................................5-22
25.
Over-voltage fault indicator lights................................................................................................5-23
