Operator Seat - Komatsu 530M Operation & Maintenance Manual

Operation - Section 3
Page 3-20

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: 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.
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.
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.
2. Fasten tether straps (10) to floor with capscrews
(15), flatwashers (16) and lockwashers (17).
Tighten capscrews to standard torque.
FIGURE 3-5. OPERATOR'S SEAT
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
OM3006.2 04/98
Operator Cab and Controls
9. Seat Belt
10. Seat Tether
11. Capscrew
12. Lockwasher
13. Flatwasher
14. Nut
15. Capscew
16. Flatwasher
17. Lockwasher