Komatsu PC290LC-11 Operation & Maintenance Manual page 174

EXPLANATION OF COMPONENTS
4.
When the bottom of the window reaches the top of lower
side window, push the top of the window to the front to
push it against right and left lock catches (G) and engage
the lock.
5.
Check that lever (B) is securely at LOCK position.
• If the arrow on lock case (F) matches the position of
the arrow on lever (B), the lock is engaged. Check vis-
ually.
• If the arrow on lock case (F) does not match the posi-
tion of the arrow on lever (B), the lock is not engaged.
Repeat the operation in step 5 to engage the lock.
Removal of front window (lower side)
1.
Open the front window (upper side), then hold grip (1), pull
it up, and remove the lower side window.
REMARK
If sand or dust is collected at the bottom of the front win-
dow (lower side), it will be difficult to remove the window. In
addition, when stowing, the sand and dust stuck to the
glass will be carried inside the cab. To prevent this, clean
area (A) before removing.
2.
After removing the lower side window, store it at the right
rear of the operator's cab, and set lever (2) to lock position
(B) to hold it securely in position.
3.
When removing it, set lever (2) to release position (C),
hold the glass with both hands, and pull it up.
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OPERATION