How to remove the chuck of hand electric drill

1. Disconnect the power of the hand drill and unplug the power cord of the hand drill from the socket.

2. Put on gloves with both hands, hold the hand electric drill with one hand, and hold the gourd mouth of the hand electric drill with the other hand, and rotate hard to expose the hole for installing the electric drill.

3. If there is a circle of teeth at the front end of the hand drill, screw it with a special key.

4. Take out the drill bit to be installed, put it on the hole exposed at the front end of the hand electric drill, and rotate it clockwise by hand to clamp the drill bit.

5, adjust the depth of the bit into the hole position, with a special key clockwise twist lock.

6. Plug in the power cord plug of the electric hand drill and idle for two seconds to observe whether the drill bit of the electric hand drill is installed firmly.

Precautions:

1, hand drill shell must be grounded or connected to zero protection.

2, hand drill wire to protect, it is forbidden to drag, prevent rolling, cutting, more are not allowed to drag the wire into the oil and water, to prevent oil and water corrosion wire.