Komatsu WA380-6 Operation & Maintenance Manual page 120

OPERATION
DOOR OPEN LOCK
When getting in or out of the operator's compartment, or when
operating with the door open, use this lock to hold the door in
position.
1. Push the door against catch (1) to lock it in position.
2. When attaching the door in position, lock it firmly to the catch.
3. When getting on or off the machine, hold the handrail on the
inside.
4. When closing the door from the operator's seat, push knob (2)
to release the catch.
5. When closing the door after getting off the machine, pull knob
(3) to release the catch.
CAB SLIDING WINDOW LOCK RELEASE KNOB
(LEFT, RIGHT)
Use this knob when you want to move the glass in the window of
the door up or down to open or close it.
Grip lock release knob (1), release the lock, then move the glass
down to a lower lock position. Release lock release knob (1).
When the glass is moved down, there are 3 stages for lock position
(A).
EXPLANATION OF COMPONENTS
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