Inspection And Maintenance - Optimum OPTigrind GU 15B Betriebsanleitung

OPTIMUM
M A S C H I N E N - G E R M A N Y
4.2

Inspection and maintenance

INFORMATION
The bearing is lifetime-lubricated. It is not necessary to lubricate it again.
WARNING!
Grinding wheels must be replaced, if there is an excessive distance between the external
diameter of the grinding wheel and the completely readjusted workpiece support.
4.3 Replacing a sanding disc

Disassemble the protective cover of the grinding wheel.

Loosen the shaft nut.

Hold the grinding wheel tight to loosen the nut. Make sure you use the correct direction to
loosen the nut.

Pull off the grinding wheel and the retaining washer from the shaft by hand.

Check the new grinding wheel for visible damage prior to assembly.
Shaft nut
Drive shaft
4.4 Replacing the cleaning brush

Disconnect the device from the mains.

Secure the grinding machine against unauthorized switching on.

Unscrew the nut on the cleaning brush, (right-hand thread).

Pull the cleaning brush off the driving shaft.

Mount the new cleaning brush. Make sure that the tool fixture is correctly seated.

Check the orientation in the centric run by manually turning the cleaning brush.

Fasten the nut using an open-jaw spanner.

Carry out a trial run.
GB GU15B │GU18B │GU20B │GU25B
Page 44
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Retaining washer
Thrust washer
Translation of the original instructions
Maintenance
Version 1.0.2 dated 2019-9-13