OPERATION DETAILED CONTROLS AND GAUGES CAP WITH LOCK 0. Use the starting key to open and close the locks on the caps and covers. For details of the locations of the caps and covers with locks, see "LOCKING ( 3-72 )". Insert the key as far as it will go to the shoulder. If the key is turned before it is inserted all the way, it may break. Opening and Closing Caps with Lock 0. Opening the Cap 0. 1. Insert the key into the key slot. 2. Turn the key clockwise, align the key slot with the match mark on the cap, then open the cap. Locking the Cap 0. 1. Turn the cap until tight, then insert the key into the key slot. 2. Turn the key counterclockwise and take the key out.
Opening and Closing Covers with Lock 0. Opening the Cover 0. 1. Insert the key into the key slot. 2. Turn the key counterclockwise and open the cover by pull- ing the cover grip. Locking the Cover 0. 1. Close the cover and insert the key into the key slot. 2. Turn the key clockwise and take the key out. 3-25