Mack TerraPro LEU 2010, Operator'S Handbook Manual

Page: 119 / 225

108 OPERATION
1. Lean forward slightly to remove your weight from the seat back.
2. Pull the seat back angle adjustment lever [2] rearward to release.
3. Adjust the seat back to the desired position within range of adjustment, then
release the handle to lock the seat back into place.
Air Lumbar Adjustment Button (Optional)
1. To increase lumbar support, press button [3] forward.
2. To decrease lumbar support, press button [3] rearward.
Weight and Height Adjustment Button
1. To raise the seat, push the air valve button [4] upwards.
2. To lower the seat, push the air valve button [4] downwards.
When adjusted properly and under normal driving conditions, the seat should
not top or bottom against the end limits of the vertical travel. Adjusted height
position should aid the driver’s visibility and vehicle control.
Seat Cushion Tilt Adjustment Knob
Rotate the seat tilt knob [5] to decrease or increase seat tilt.
Fore/Aft Adjustment Lever
1. Hold the fore and aft adjustment lever [6] to the left.
2. Slide the seat to the desired position.
3. Move the lever to the right to lock the seat position. (Isolation of the seat is
provided when the lever is in the center [straight] position.)