MacDon M155 2022 - 3.17 Windrower Controls

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3.3.7 Adjusting Armrest Angle
The angle of the armrest relative to the operator’s seat can be adjusted using the knob on the bottom of the armrest.
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Figure 3.10: Armrest Angle
To increase the armrest angle, rotate knob (A) clockwise.
To decrease the armrest angle, rotate knob (A)
counterclockwise.
3.3.8 Adjusting Lumbar Support
Lumbar support fills in the gap between the curve of the spine of the lower back and the seat back so that the Operator
can maintain proper posture. It can be adjusted by using the knob on the back of the seat back.
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Figure 3.11: Lumbar Support
To increase the seat’s lumbar support, rotate knob (A) upward.
To decrease the seat’s lumbar support, rotate knob (A)
downward.
OPERATOR’S STATION