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Warning!
Excessive or sudden pressure slows down the grinding process and puts a dangerous
amount of stress on the grinding wheel. Further, when using new grinding wheels, make sure not to
apply pressure while grinding and to instead slightly pull the device away from the workpiece until the
edges of the wheel have become round due to wear. New grinding wheels have sharp edges that
might chip the surface of a workpiece and thereby damage it, if pressure is applied.
Sanding
Selecting the sanding disc: Sanding diskc are made from very hard and sharp aluminium oxide grains.
The discs differ in the size and spacing of the grains. Open sanding disc surfaces (type H) are suitable
for soft materials and for painted or varnished surfaces of the workpiece; dense surfaces (type K) are
required for metal, wood, stone, marble, etc. The sanding disc grit ranges from 16 (very coarse-
grained) to 180 (very fine). For the best results, you should always choose the right sanding disc. For
some jobs you need different grit sizes and sometimes open and sometimes dense grinding discs to
get this job done faster.
Replacing the carbon brushes
Warning:
When servicing or inspecting the tool, make sure the tool is turned off and unplugged.
Carbon brush cover
Check the carbon brushes regularly. They should be replaced when they are worn by 5 mm. Remove
the cover with the flat-blade screwdriver. Take out the carbon brush and insert a new one. Then put
the cover back in place.
1: Carbon brush cover
Note:
Make sure that the new carbon brush is properly seated before you reattach the cover. Both
carbon brushes should be replaced at the same time, even if only one brush is worn.
© by WilTec Wildanger Technik GmbH
Item 62422, 62426
Page 7
http://www.WilTec.de
http://www.aoyue.eu
03
2021-1
http://www.teichtip.de
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