Komatsu PC450-8 Operation & Maintenance Manual page 147

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.
q
The lock is engaged if the arrow on lock case (F)
matches the position of the arrow on lever (B). Check
visually.
q
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.
DETAILED CONTROLS AND GAUGES
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