Komatsu PC15MRX-1 Operation And Maintenance Manual page 82

MACHINE OPERATIONS AND CONTROLS
FASTENING AND REMOVING
1. Adjust the seat so that the operator still feels that there is
sufficient knee room when fully depressing the pedal
while seated, with the operator's back against the back-
rest.
2. After adjusting the seat poaition, sit in the seat. Grip
buckle (1) and tongue (2) in each hand and insert tongue
(2) into buckle (1). Confirm by pulling the belt that the
tongue is securely locked to the buckle.
3. When removing the belt, raise the tip of buckle (1) lever
to release it.
Fasten belt along your body without kinking it. Adjust the
lengths of the belt on the tongue sides.
SEAT BELT ADJUSTMENT
Shortening
Pull the free end of the belt on either the buckle body or tongue
side.
Lengthening
Pull the belt while holding it at a right angle to the buckle or
tongue.
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OPERATION