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19. Maintenance unit (QuickSpan)
The photo below shows the air pressure control unit for the quick span machines.
The maintenance unit is equipped with a water separator, an oiler and a pressure gauge. The
pressure is reduced to 6 bar and must not be adjusted to a higher value.
The oiler needs to be checked on a regular basis in order to make sure that there is always
enough oil present.
Running the QuickSpan without oil can lead to a malfunction of the complete system
The operating pressure should be between 8 – 10 bars to enable a wheel to be clamped correctly.
The air pressure magnet valve is controlled by the motor control board. (See chapter on motor
control board).
In order to check that the valve is working fine manually it can be operated by turning the screw
as indicated above.
The solenoid valve of the maintenance unit is operated with 32 Vac
Screw to operate
the QuickSpan
valve manually for
testing purposes
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