Operator Cab And Controls - Section 32 8/11 OM3232 Page 32-8 OPERATOR’S SEAT The operator's seat provides a fully adjustable cushioned ride for driver comfort and easy operation. 8. Suspension Dampener - Adjust suspension dampener (8) to obtain the desired stiffness of the adjustable shock absorber. Move the lever upward to stiffen the absorbency of the shock. Move the lever downward to soften the ride. Five detented settings are available. NOTE: This seat contains a fixed rate shock absorber in addition to the adjustable shock absorber that is controlled by the suspension dampener.
Seat Belts On both driver and passenger seats, check the seat belt fabric, buckle, all belt retractors and hardware for damage or wear. Replace any worn or damaged parts immediately. Even if there are no signs of damage, replace both driver and passenger seat belts 5 years after seat belt manufacture, or every 3 years after start of use, whichever comes first. The passenger seat belt date of manufacture label is sewn into the seat belt near the buckle. The driver seat belt date of manufacture label is sewn into the shoulder harness belt, near the retractor end. 9. Seat Cushion Tilt (if equipped) - Lift and hold lever (9) and tilt the seat cushion to a comfort- able position.
Release the lever to lock the posi- tion adjustment. 10. Fore/Aft Location of Seat - Lift and hold lever (10) and move the seat to a comfortable height. Release the lever to lock the height adjustment. Adjustment NOTE: The seat compressor must be allowed to cool down for ten minutes for every one minute of continuous operation. The compressor must not be operated continuously for more than three minutes. The following adjustments must be made while sit- ting in the seat. Refer to Figure 32-5. 1. Headrest - Move headrest (1) up or down to the desired position. It can also be tilted forward by pulling on the top of the headrest. There are four positions.
Pulling the headrest completely forward will release the ratchet mechanism and return the headrest to the furthest back position. 2. Seat Height - Push and hold switch (2) to adjust the height of the seat. Release the switch when the desired height is reached. Optimum ride height is obtained when the suspension is at the middle of its stroke. To properly adjust, raise the seat to its highest level. Then, lower the seat approximately 51 mm (2 in.) to the middle of the suspension stroke. 3. Lumbar Support - Move dial (3) to adjust the lumbar support to the desired position. 4. Armrest Tilt - Rotate adjusting knob (4) until the armrest is in desired position. 5.
Seat Belt - The operator must always have seat belt (5) buckled and properly adjusted when- ever the truck is being operated. 6. Backrest Recline - Lift handle (6) to select the desired backrest recline. Release the handle to set the position. 7. Fore/Aft Location of Seat Cushion (if equipped) - Lift and hold lever (7) and move the seat cushion to a comfortable position. Release the lever to lock the position adjust- ment. FIGURE 32-5. OPERATOR’S SEAT CONTROLS 1. Headrest 2. Seat Height 3. Lumbar Support 4. Armrest Tilt 5. Seat Belt 6. Backrest Recline 7. Seat Cushion Fore and Aft 8. Suspension Dampener 9. Seat Tilt 10. Fore and Aft