1
Section 260-0090
SM 1901 Rev 1 07-04
31
1
6
8
32
23
7
5
21
16
4
3
30
10
17
14
20
13
22
15
12
21
11
9
10
18
19
26
25
24
27
28
29
2
F
A
B
E
C
D
OPERATORS COMPARTMENT - Driver Seat and Mounting
SM - 3267
DESCRIPTION
Numbers in parentheses refer to Fig. 1.
WARNING
By Law, seat belts must be provided. Always
wear seat belts when travelling in the vehicle.
Fig. 1 - Exploded View of Driver Seat
1 - Seat Assembly
2 - Seat Frame
3 - Reel Cover
4 - Lumbar Support
5 - Back Cushion
6 - Back Cover
7 - Seat Cushion
8 - Seat Cover
9 - Height Riser Assembly
10 - Handles
11 - Height Riser Spring
12 - Damper
13 - Suspension Assembly
14 - Upstop/Bumpstop
15 - Air Spring
16 - Suspension Cover
17 - Manual Valve
18 - Bearing
19 - Lever
20 - Slide Adjuster
21 - Seat Belt
22 - Tether
23 - air Pipes
24 - Bolt
25 - Washer
26 - Lockwasher
27 - Nut
28 - Bolt
29 - Lockwasher
30 - Seat Base
31 - Headrest (optional)
32 - Switch / valve
The driver seat is secured to the cab floor with bolts
(28) and lockwashers (29). The seat assembly (1)
consists of a seat cushion (7) and back cushion (5)
mounted to seat frame (2). Seat frame (2) is attached
to seat base (30) by means of a suspension
assembly. The air seat only reacts when the driver
sits on the seat. When unoccupied, the seat sinks to