Komatsu PC450-8 Operation & Maintenance Manual page 152

DETAILED CONTROLS AND GAUGES
Opening and Closing Caps with Lock
Opening the Cap
1. Insert the key into the key slot.
2. Turn the key clockwise, align the key groove with mark (1)
on the cap, then open the cap.
Position (A): OPEN
Position (B): LOCK
Locking the Cap
1. Turn the cap until tight, then insert the key into the key slot.
2. Turn the starting switch key to LOCK position (B), then remove the key.
Opening and Closing Cover with Lock
Opening the Cover (Locked Cover)
1. Insert the key into the key slot.
2. Turn the key counterclockwise and open the cover by pull-
ing the cover grip.
(A): Open
(B): Lock
Locking the Cover
1. Close the cover and insert the key into the key slot.
2. Turn the key clockwise and take the key out.
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OPERATION