Alpha Tool.Com.HK Limited ECOGRDGR Benutzerhandbuch

Be sure to turn off the high-speed angle grinder and remove the plug from 
the electrical outlet before attaching and installing the Dust Collection Cover.

Take the Guard off from the Grinder 

Make sure the Dust Collection Cover is securely attached, otherwise it may 
come loose which could cause injury.

If you installed the Dust Collection Cover to a high-speed angle grinder 
but the connector is loose and cannot be securely attached, do not 
use the Dust Collection Cover. Using it in this state could cause injury. 

(Factory Preset)

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(Fig.1)