Operator Comfort; Operator Seat; Adjustment - Komatsu 830E Shop Manual

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 sit-
ting in the seat.
1. Headrest: Move up, down, fore, or aft by mov-
ing headrest (1, Figure 4-1) to desired position.
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) controls
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.
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 4-1) and hard-
ware that secures the seat base to the riser.
Remove capscrews (11) that secures tether to
floor.
2. Remove seat assembly from cab to clean work
area for disassembly.
N04023

OPERATOR COMFORT

Seat Installation
1. Mount seat assembly to seat riser. Install cap-
2. Fasten tether straps to floor with capscrews
FIGURE 4-1. OPERATOR'S SEAT ADJUSTMENT
10. Mounting Capscrews and Hardware
11. Seat Tether Capscrew
12. Seat Height Adjustment
Operator Comfort
screws (10, Figure 4-1), lockwashers, flatwash-
ers and nuts. Tighten capscrews to standard
torque.
(11), flatwashers and lockwashers. Tighten
capscrews to standard torque.
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
N4-1