Komatsu D31EX-21, Operation & Maintenance Manual, Page: 95 / 256

OPERATION
EXPLANATION OF COMPONENTS
3-43
REMARK
Ground the negative wire to the body work or ROPS. Do not ground it to the rubber mounted engine or valves.
This will cause failures.
If the wire is grounded to a point where there is still paint, the electricity will not flow smoothly, so remove the paint.
DOOR - OPEN LOCK 3
(Machines equipped with cab)
Use this when your want to keep the door held open.
1. Push the door against the door catch (1). The door will be
held by the door catch.
2. To release the door, pull lever (2) of the door catch towards
the rear of the machine. This will release the catch.
NOTICE
q
When keeping the door open, fix it securely to the
catch.
q
Always close the door when traveling or carrying out
operations. Leaving the door open will cause the door
to break.
q
Keep the door locked open securely. The door may
swing closed because of the vibration.
SASH GLASS INTERMEDIATE LOCK 3
(Machines equipped with cab)
When working with the cab sash glass open, use this lock to
prevent the glass from chattering.
q
When the lever is in the FREE position, the glass can be
opened or closed.
q
When the lever is moved to the LOCK position, the glass is
fixed in position.
NOTICE
Always close the window when traveling or carrying out
operations. Leaving the window open will cause the win-
dow to break.
Free
Lock