TM 5-3895-370-14&P
Table 4-3. Troubleshooting Symptom Index
Engine Fault Index
Fault
Description
Page
1.
Engine fails to crank ...................................................................................................
4-15
2.
Engine cranks but will not start - no smoke from exhaust .............................................
4-16
3.
Engine hard to start or will not start - smoke from exhaust ...........................................
4-16
4.
Engine starts but will not keep running.........................................................................
4-17
5.
Engine surges (speed changes) ................................................................................
4-17
6.
Engine idles rough ...................................................................................................
4-17
7.
Engine runs rough or misfires ...................................................................................
4-18
8.
Engine rpm will not reach rated operating speed .......................................................
4-19
9.
Engine fails to develop full power ..............................................................................
4-20
10.
Engine operating temperature too high........................................................................
4-21
11.
Engine operating temperature too low .........................................................................
4-22
12.
Engine oil pressure too high........................................................................................
4-22
13.
Engine oil pressure too low.........................................................................................
4-22
14.
Compression knocks ................................................................................................
4-23
15.
Excessive fuel consumption ......................................................................................
4-23
16.
Excessive vibration ....................................................................................................
4-23
17.
Unusual engine noise.................................................................................................
4-24
18.
Battery dead and will not hold a charge.......................................................................
4-25
19.
Alternator does not charge batteries ............................................................................
4-25
Electrical System Fault Index
Fault
Description
Page
20.
Markerlight does not operate ....................................................................................
4-26
21.
Turn signal light does not operate .............................................................................
4-26
22.
Stoplights do not operate ..........................................................................................
4-28
23.
Clearance, marker, ID, and taillights do not operate (24-volt system only) ...................
4-30
24.
Front and/or rear clearance and markerlights do not operate ......................................
4-30
25.
Identification and/or taillights do not operate ..............................................................
4-31
26.
Flow rate indicator does not operate ...........................................................................
4-32
27.
Fuel gage does not operate........................................................................................
4-35
28.
Voltmeter does not operate.........................................................................................
4-36
4-13