Komatsu ecot3 Operation And Maintenance Manual page 140

OPERATION OPERATION
5. When the bottom of the window reaches the top of the bottom
window, push the top of the window to the front to push it
against left and right lock catches (G) and engage the lock.
6. Check that lever (B) is securely at the LOCK position.
The lock is engaged if the arrow on lock case (F) matches
the position of the arrow on lever (B). Check visually.
If the arrow on lock case (F) does not match the position of
the arrow on lever (B), the lock is not engaged. Repeat the
operation in Step 5 to engage the lock.
DETAILED CONTROLS AND GAUGES DETAILED CONTROLS AND GAUGES
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