Operation - Section 3 OM3214 Page 32-10 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. ADJUSTMENT The following adjustments must be made while sitting in the seat. 1. Headrest : Move up, down, fore, or aft by mov- ing headrest (1, Figure 32-10) to desired posi- tion. 2. Armrests : Rotate adjusting knob until armrest is in desired position. 3. Backrest : Lift handle (3) to release and select backrest angle; release control handle to set. 4. Seat Belt : Operator should always have seat belt (4) buckled in place and properly adjusted whenever vehicle is in motion. 5. Seat Slope :
Lift lever (5) and hold to adjust the slope of seat. Release lever to lock adjust- ment. 6. & 7 Air Lumbar Support: Each rocker switch (6 or 7) controls an air pillow. Switch (7) con- trols the lower air pillow and switch (6) 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. 8. Seat Suspension : Move rocker switch (8) up to increase ride stiffness and down to decrease ride stiffness. FIGURE 32-10. OPERATOR SEAT ADJUSTMENT CONTROLS 1. Headrest 2. Armrest Adjustment 3. Backrest Adjustment 4.
Seat Belt 5. Seat Slope Adjustment 6. Upper Air Pillow Lumbar Support 7. Lower Air Pillow Lumbar Support 8. Suspension Adjustment 9. Horizontal Adjustment 10. Mounting Capscrews and Hardware 11.Seat Tether Capscrew 12. Seat Height Adjustment 9. Horizontal Adjustment: Lift control lever (9) and hold. Bend knees to move seat to a com- fortable position; release control lever to lock adjustment 10. Seat Height : Lift lever (12) and hold to adjust the height of the seat. Release lever to lock adjustment. SEAT REMOVAL 1. Remove capscrews (10, Figure 32-10) and hardware that secures the seat base to the riser. Remove capscrews (11) that secures tether to floor. SEAT INSTALLATION 2.
Remove seat assembly from cab to clean work area for disassembly. 1. Mount seat assembly to seat riser. Install cap- screws (10, Figure 32-10), lockwashers, flat- washers and nuts. Tighten capscrews to standard torque. 2. Fasten tether straps to floor with capscrews (11), flatwashers and lockwashers. Tighten capscrews to standard torque.