reach and the driver should have a clear view of the
road and mirrors.
ISRI Premium High Back Seat
NOTE: The seat should only be adjusted when the
vehicle is parked with the park brake on.
The seat is designed to hold a maximum driver’s
weight of 330 lbs.
The ISRI Premium seat controls are shown in
Fig. 5.21.
1.
Backrest Tilt: Pull the handle out completely
and lean back or forwards to adjust the backrest
tilt. Release the handle when the correct position
is achieved. The backrest has a 52 degree range
of movement.
10/05/2001
A
f910485
A. Ride Height
Fig. 5.19, Ride Height Adjustment
f91083312/01/2021
A
B
C
D
A. Adjust the steering wheel and seat to achieve a 95°
to 135° angle at the elbow joints.
B. Adjust the bottom cushion to achieve a 100° to 115°
angle at the hip joints.
C. Adjust the seat height to achieve a 110° to 120°
angle at the knee joints.
D. Adjust the seat to achieve a 90° angle with the feet.
Fig. 5.20, Correct Seating Posture
f910682f12/02/2021
1
2
3
5
6
7
8
4
1. Backrest Tilt
2. Back Support
3. Height Adjustment
4. Isolator Adjustment
5. Forward/Back Isolator
6. Seat Extension
7. Forward/Back Slide
8. Seat Tilt Lever
Fig. 5.21, ISRI Premium High Back Seat
Cab Features
5.10