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ARMY TM 9-2805-262-14
AIR FORCE TO 38G2-90-1
NAVY NAVFAC P-8-613-14E
Table 5-1. Direct Support Troubleshooting Procedures (cont).
Malfunction
Test or Inspection
Corrective Action
Step 2. inspect and test coil.
Replace defective coil (para.5-17).
Step 3. Check for cracked cylinder head and or leaky gasket.
Replace cracked or otherwise damaged cylinder head (para.5-7).
Step 4. Check intake and exhaust valve for damage or excessive wear.
Replace damaged valve (para.5-10).
Step 5. Check piston and piston rings for damage or excessive wear.
Replace damaged or worn piston and rings (para. 5-22).
3. ENGINE OIL CONSUMPTION EXCESSIVE.
Check piston and piston rings for wear.
Replace worn or damaged piston and piston rings (para.5-22).
4. ENGINE RUNS EXCESSIVELY NOISY.
Step 1. Check valve mechanism for bent or otherwise damaged components.
Replace worn or damaged components (para.5-7).
Step 2. Check piston and connecting rod for wear.
Replace a worn piston or connecting rod (para.5-22).
5. ENGINE WILL NOT START OR RUNS ERRATICALLY MODEL 4A032-3, -4
NOTE
The following procedures can be performed with either a digital or analog multimeter
refer to figure 5-26 for wiring diagram of electronic ignition system.
Step 1. Check low voltage and high tension cable ends for looseness.
Tighten any loose connections.
5-3
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