ARMY TM 9-2805-257-14
AIR FORCE TO 38G2-103-2
NAVY NAVFAC P-8-612-14E
Table 4-2. Unit Troubleshooting Procedures (cont).
Malfunction
Test or Inspection
Corrective Action
Step 4. Check fuel pump pressure (para. 4-35).
Replace fuel pump if pressure is inadequate (para. 4-35).
3. ENGINE MISSES OR RUNS ERRATICALLY.
Step 1. Check spark plug.
Clean, regap, or replace worn spark plug (para. 4-19).
Step 2. Check breaker point gap.
Adjust or replace worn breaker points (para. 4-29).
Step 3. Check fuel flow out of fuel filter assembly.
If fuel flow is not present or steady, service fuel filter assembly (para. 4-13).
Step 4. Remove air cleaner cup on models 2A016-1, -2, or remove air cleaner element on
models 2A016-3, -4 and start engine.
If engine runs properly, service air cleaner assembly (para. 4-20).
4. ENGINE SURGES OR OVERSPEED.
Step 1. Check Governor.
Adjust governor (para. 4-27).
Step 2. Check carburetor adjustments.
Adjust carburetor as needed (para 4-34).
5. ENGINE OVERHEATS.
Step 1. Check oil level.
Add oil as needed.
Step 2. Check cooling system.
Repair or replace a damaged or missing cooling system component (para. 4-14
thru 4-16).
4-6
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