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Special
screw with left hand screw thread to lock a chuck to the motor shaft. This screw
performs a very important role. If one uses a
drill in reverse rotation, the chuck will come off. This screw locks the chuck
in place. For your own safety, always install the screw when replacing a chuck.
Chuck removal:
To remove the chuck, loosen the screw by turning it in the clockwise direction.
The chuck loosens in the normal direction i.e. turning anti- clockwise
Chuck installation:
The chuck will screw on in the normal clock wise direction and the screw will fasten
in the anti-clockwise direction.
