Operation - Section 3 OM3006.2 04/98 Page 3-20 Operator Cab and Controls OPERATOR SEAT The operator’s seat provides a fully adjustable cush- ioned ride for the driver’s comfort and ease of opera- tion. Installation 1. Mount seat assembly to seat riser. Install cap- screws (11, Figure 3-5), lockwashers (12), flat- washers (13) and nuts (14). Tighten capscrews to standard torque. Adjustment The following adjustments must be made while sitting in the seat. 2. Fasten tether straps (10) to floor with capscrews (15), flatwashers (16) and lockwashers (17). Tighten capscrews to standard torque. 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. Backrest : Pull control (3) upward and hold, select backrest angle; release control handle. 4. Front Height and Slope Adjustment of Seat Cushion : a. Front height and slope; lift control lever (4) and hold. b. Bend knees to move seat to a comfortable position; release control lever to lock adjust- ment. 5. Fore/Aft Location of Seat : a. Raise adjustment lever (5). b. Move seat to desired position; release lever. 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 & 8. Air Lumbar Support Each rocker switch (7 or 8) controls an air pillow. Switch (7) controls the lower air pillow and switch (8) 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. FIGURE 3-5. OPERATOR’S SEAT 9. Seat Belt 10. Seat Tether 11. Capscrew 12. Lockwasher 13. Flatwasher 14. Nut 15. Capscew 16. Flatwasher 17. Lockwasher 1. Headrest 2. Armrest Adjustment 3. Backrest Adjustment 4. Front Height and Slope Adjustment 5.
Fore and Aft Adjustment 6. Height Adjustment 7. Lower Air Pillow Lumbar Support 8. Upper Air Pillow Lumbar Support Removal 1. Remove capscrews (11, Figure 3-5) and hardware that secures the seat base to the riser. Remove capscrews (15) that secures tether (10) to floor. 2. Remove seat assembly from cab to clean work area for disassembly.