Table 5-3. Direct and General Support Maintenance Troubleshooting (Continued)
TEST OR INSPECTION
ENGINE DOES NOT START BUT TURNS OVER (Continued)
The engine must be turned over to check the crankcase vacuum.
Figure 5-46. Installation of Vacuum Gage
b. Place vacuum gage in dipstick hole. Make sure it seals well.
c. Test the vacuum.
If the vacuum is 1/2 inch to 1 inch (12.7 mm to 25.4 mm) of mercury, the engine is ok.
If the vacuum is less than 1/2 inch (12.7 mm) of mercury, go to Step 13.