284 OPERATION
NATIONAL STANDARD SEAT
Seat Adjustments
W8002745
National Standard Seat
1 Backrest Tilt: By rotating the round handle, the backrest recline angle can be adjusted
within 12 degrees.
2 Cushion Front Tilt and Length: Pulling the handle up and out adjusts the tilt and length
of the seat cushion. Support your body weight with your feet while adjusting.
3 Fore and Aft Movement: Press the lever sideways to unlock the seat. Move seat fore
or aft to a new position.
4 Ride Height Adjustment: Push the upper part of the switch up to increase ride height.
Push the lower part of the switch to deflate the airbag and lower the ride height.
5 Lumbar Support Adjustment: Push the upper part of the switch to inflate the support
for a firmer support. Push the lower part of the switch to deflate the support.
6 Cushion Rear Tilt: Rotate the lever to get different height positions. Support your body
weight with your feet while adjusting.
7 Chugger Snubber: Moving the handle down isolates the seat from the fore and aft
movement of the cab.