Quantcast Direct  Support  Troubleshooting  Procedures - TM-9-2805-262-14_150

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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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