Komatsu PC220LC -8 Operation & Maintenance Manual page 136

OPERATION OPERATION
5. Hold lower knob (C) with your left hand from inside the
operator's cab, and with your right hand, grip top knob (D), pull
it up, and push it against lock catch (E) at the rear of the cab
securely to lock the window.
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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