9
Removing the diamond core bit
CAUTION
Wear protective gloves when changing cutting tools as they get hot
during use.
CAUTION
The core bit will be full of dust and drilled-out material. Work from a secure stance
and make sure you are ready to support the additional weight of the drilled-out
material.
•
Release the on / off switch on the power tool and slowly pull the core bit out of
the hole.
•
Switch off the vacuum cleaner if you are using one.
•
Check that the machine is disconnected from the electric supply.
•
Remove the core if necessary.
•
Remove the core bit.
Procedure in the event of the core bit sticking
In the event of the core bit sticking, the clutch will slip until the user switches the
power tool off. The core bit can be released by taking the following action:
Manual work
•
Disconnect the supply cord plug from the power socket.
•
Grip the core bit with a suitable open-end wrench close to the connection end
and release the core bit by rotating it.
•
Plug the machine’s supply cord into the power socket.
•
Resume the drilling operation.
Drill rig work
•
Disconnect the supply cord plug from the power socket.
•
Release the core bit from the hole by turning it with the hand wheel.
•
Plug the machine’s supply cord into the power socket.
•
Resume the drilling operation.
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