Table 5-3. Direct and General Support Maintenance Troubleshooting (Continued)
TEST OR INSPECTION
ENGINE BACKFIRES (Continued)
Loosen the spark plug a few turns.
Blow out the spark plug well with high pressure air. This will clean out any dirt or debris that can
fall into the cylinder.
Remove the spark plug by hand.
Figure 5-188. Installation of Compression Gage
Place a compression gage in the spark plug hole. Make sure it seals well.
Figure 5-189. Choke Open Position