ARMY TM 9-2805-256-14
AIR FORCE TO 38G2-102-2
NAVY NAVFAC P-8-611-14E
5-4. General. This section contains troubleshooting procedures to determine the probable cause of observed
equipment malfunctions. Test or inspections are provided to isolate the faulty component and corrective actions
are provided to eliminate the malfunction.
5-5. Direct Support Troubleshooting Procedures. Table 5-1 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.
S Y M P T O M I N D EX
S y m p t om
P a g e
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 wiIl not start or runs erratically (model 1A08-4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
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 between noise suppression filter and
engine ground, and compare reading with manufacturer’s specification (para. 5-20).
Replace a defective coil (para. 5-20).
Step 2. Remove high tension cable from spark plug and measure breaker point ignition coil secondary
winding resistance between spring end of cable and engine ground, and compare reading with
manufacturer’s specification (para. 5-20).
Replace a defective coil (para. 5-20).
2. ENGINE MISSES OR RUNS ERRATICALLY,
Step 1. Check ignition timing (para. 5-9).
Adjust ignition timing (para 5-9).
5 -2
|
|
