How to Make a Basic Automatic Room Door Closer

Step-by-Step Guide

1. 1

   Step 1: Make sure you have everything you need.

   See the list below.
2. 2

   Step 2: Make a hole on the cap of the water bottle with the nail and the hammer.

   ,, Guide the wire through the cap up to the knot and ensure that the knot doesn't pass through the hole.
   
   If it passes, then make a bigger knot. ,,,,,,,,, To avoid it cut some thermocol pieces or eraser or sponge pieces according to the door rebate where the door hits and stops. ,
3. 3

   Step 3: Make a knot on one end of the wire.

4. 4

   Step 4: Insert the other end of the wire into the hole made in the cap.

5. 5

   Step 5: Close the bottle with the cap.

6. 6

   Step 6: Hammer a nail on the upper part of the door frame near the tower bolt.

7. 7

   Step 7: Tie the spare end of the wire to the nail.

8. 8

   Step 8: Change the angle of clamp to about 135°.

9. 9

   Step 9: Fix the pulley/bobbin to the clamp with a bolt/metal wire.

10. 10

    Step 10: Secure the clamp to the upper middle part of the shutter with nails.

11. 11

    Step 11: Put the hanging wire and bottle setup over the pulley.

12. 12

    Step 12: Open the water bottle and fill it with water.

13. 13

    Step 13: When you fill the bottle with water it pulls the door and shuts with a bang.

14. 14

    Step 14: Your automatic door shutter is ready!

Detailed Guide

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