OM3020.2 12/99 Operation - Section 3 Operator Cab and Controls Page 3-23 OPERATOR COMFORT OPERATOR SEAT The operator’s seat provides a fully adjustable cush- ioned ride for the driver’s comfort and ease of opera- tion. Adjustment The following adjustments must be made while sitting in the seat. 1. Headrest : headrest (1, Figure 3-5) will move up, down, fore, or aft by moving headrest to desired position. 2. Armrests : rotate adjusting knob until armrest is in desired position. 3. Seat Belt : Operator should always have seat belt buckled in place and properly adjusted whenever vehicle is in motion. 4 & 5. Air Lumbar Support: Each rocker switch (4 or 5) controls an air pillow.
Switch (5) controls the lower air pillow and switch (4) controls the upper air pillow. To inflate, press on top of rocker switch and hold for desired support, then release. To deflate, press on bottom of rocker switch and hold for desired support, then release. Adjust each pillow for desired support. 6. Seat Height : Press rocker switch (6) on top to increase ride height. Press on lower part of rocker switch to lower ride height. 7. Backrest : Pull control (7) upward and hold, select backrest angle; release control handle. ADJUSTMENT CONTROLS 1. Headrest 2. Armrest Adjustment 3. Seat Belt 4. Upper Air Pillow Lumbar Support 5. Lower Air Pillow Lumbar Support 6. Height Adjustment 7.
Backrest Adjustment 8. Fore and Aft Adjustment 9. Front Height and Slope Adjustment 10. Mounting Capscrews and Hardware 11. Seat Tether Capscrew FIGURE 3-5. OPERATOR’S SEAT 8. Fore/Aft Location of Seat : a. Raise adjustment lever (8). b. Move seat to desired position; release lever. 9. Front Height and Slope Adjustment of Seat Cushion : a. Front height and slope; lift control lever (9) and hold. b. Bend knees to move seat to a comfortable position; release control lever to lock adjust- ment. Seat Removal Seat Installation 1. Remove capscrews (10, Figure 3-5) and hardware that secures the seat base to the riser. Remove capscrews (11) that secures tether to floor. 1.
Mount seat assembly to seat riser. Install cap- screws (10, Figure 3-5), lockwashers, flatwashers and nuts. Tighten capscrews to standard torque. 2. Remove seat assembly from cab to clean work area for disassembly. 2. Fasten tether straps to floor with capscrews (11), flatwashers and lockwashers. Tighten capscrews to standard torque.