Komatsu D37EX-24 Operation & Maintenance Manual page 196

MACHINE OPERATIONS AND CONTROLS
1.
Pull up lever (1) fully or push it down fully to adjust the seat
height.
For adjusting the seat height, pull up lever (1) to make the
seat higher and push it down to make the seat lower.
Adjust it so that the weight adjustment indicator (2) enters
the green range.
You can adjust the height by operating lever (1) in the
green range.
Vertical adjustment range: 75 mm
Weight adjustment range: 60 to 150 kg
The suspension should be adjusted in proportion to the operator's weight to protect the operator. Operate
the lever in the normal operating posture to ensure the correct weight-based adjustment at this time.
2.
After adjusting to the desired position, release lever (1).
METHOD FOR ADJUSTING LUMBER SUPPORT
Turn the adjustment knob to the right or left, and give proper
tension to the waist part.
The back cushion tension is increased by turning the adjust-
ment knob to the right.
The tension of the back cushion can be adjusted to 5 steps. If
the adjustment knob is turned to right further after the 5th step,
the tension returns to the 1st step.
METHOD FOR HEATING SEAT
Turn on the seat heater switch.
(a): OFF position
(b): ON position
The backrest and seat surface are heated.
When the seat heater switch is turned on, the heater in the seat operates. When the seat surface temperature
exceeds approximately 20 °C, the heater is turned off automatically. When the temperature decreases below ap-
proximately 10 °C, the heater is turned on automatically.
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OPERATION