TD2303-08EN YTxx2 41
4.3.11 Air suspension pressure release switch (18)
Air can be released from the rear axle air suspension by pressing and holding in
switch 18. When the lifting system is set to its lowest position, releasing air from the
air suspension will lower the fifth wheel even further. This may be necessary in the
case of a low trailer. When switch 18 is released, the tractor rises again to its
original position.
Ensure the vehicle is stationary before releasing air from the air suspension. Do not operate switch
26 (air suspension release) while driving.
4.3.12 Regeneration start switch (19)
This switch can be used to start a manual regeneration. When the regeneration is
manually started, the SCR system cleaning lamp is illuminated.
Refer to the engine section in the operation manual.
4.3.13 Regeneration stop switch (20)
This toggle switch inhibits an automatic or stops a manual regeneration. When
the regeneration is stopped or inhibited, the SCR system cleaning stop lamp is
illuminated.
Refer to the engine section in the operation manual.
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