ARMY TM 9-2805-262-14
AIR FORCE TO 38G2-90-1
NAVY NAVFAC P-8-613-14E
5-5. Direct Support Troubleshooting Procedures. Table 5-I lists the common malfunctions that may
be found during operation. Refer to symptom index to locate the troubleshooting procedures for the malfunction.
This manual cannot list all malfunctions that may occur, nor all test or inspections and corrective actions. If a
malfunction is not corrected by listed corrective actions, notify your supervisor.
SYMPTOM INDEX
Symptom
Page
Engine will not start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...5-2
Engine misses or runs erratically . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...5-2
Engine oil consumption excessive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...5-3
Engine runs excessively noisy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...5-3
Engine will not start or runs erratically (model14A032-3, -4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
Table 5-1. Direct Support Troubleshooting Procedures.
Malfunction
Test or Inspection
Corrective Action
1. ENGINE FAILS TO START.
Step 1. Measure breaker point ignition coil primary windings resistance between noise suppression
filter and engine ground and compare reading with manufacturer’s specification.
Step 2.
Step 3.
Remove high tension cable from spark plug and measure breather point ignition coil secondary
windings resistance between spring end of cable and engine ground. Compare measured
reading with manufacturer’s specification.
Replace a defective coil (para. 5-17).
Manufacturer
Primary windings
Secondary windings
Bendix Corp.
.512 ± .050 ohms
3,300 ± 400 ohms
Colt Industries
.370 ± .025 ohms
8,500 ± 700 ohms
Motor Parts. Inc.
.370 ± .025 ohms
8,500 ± 700 ohms
Inspect rotating magnet for corrosion.
Replace rotating magnet if corroded or otherwise damaged (para. 5-11).
2. ENGINE MISSES OR RUNS ERRATICALLY.
Step 1. Check valve adjustment.
Adjust valves as needed (para. 5-8).
5-2
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