Komatsu WA250PT-5H, Operation & Maintenance Manual

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Explanation of components
OPERATION
Cab door inner lock
3-44
Cab door inner lock 0.
(Right door)
Press cab door inner lock to lock the door.
Position (a): Lock
Position (b): Release
Cab door open lock 0.
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 window open lock cancel knob 0.
(Left side door)
Use this knob when you want to move the door window glass
up or down to open or close it.
Grip lock cancel knob (1) to release the lock, and move it down
to a lower lock position. Release lock cancel knob (1).
There is 1 point for lock position (2).