TM 5-3740-214-14
Table 5-3. Direct and General Support Maintenance Troubleshooting (Continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE LACKS POWER (Continued)
Step 10.
Check the engine compression.
NOTE
Because automatic compression release engines release compression at 600 rpm, there is a
different compression test procedure for this engine.
a.
Start the engine and run it for fifteen minutes.
b.
Shut the engine OFF and remove the spark plug.
CAUTION
BE CAREFUL when removing the spark plug. Too much force can break the insulator.
Figure 5-143. Spark Plug Cleaning and Removal
5-131
