Komatsu ecot3 Operation And Maintenance Manual page 139

DETAILED CONTROLS AND GAUGES
Closing
When closing the window, lower it slowly and be careful not to get your hand caught.
1. Stop the machine on level ground, lower the work equipment completely to the ground, then stop the engine.
2. Set the lock lever (1) securely to the LOCK position (L).
3. Grip left and right handles (A), and pull down lever (B) to
release the lock.
4. Grip handle (C) at the bottom of the front window with your left
hand and handle (D) at the top with your right hand, push to the
front, then lower slowly.
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WARNING
OPERATION