I have a simplex 5 buttons in a circle push button lock on my door, How do i change the combination??

Question

there is a screw underneath it, which when taken out seems to be an access panel.

Answer 1

Best Answer - Chosen by Asker

1. Open door
2. Turn outside thumbturn anti-clockwise to clear
3. Input existing combination
4. Use allen key to remove screw from top (yours may be upside down)
5. Insert allen key into screw hole until a slight click is felt
6. Remove allen key
7. Turn outside thumbturn ant-clockwise
8. Enter new combination
9. Replace screw
10. Test new combination works before closing door

Any problems just ask again, i can always e-mail instructions ;-)

Source(s):

I'm a locksmith!

Asker's Rating:

Asker's Comment:

spot on instructions

Answer 2

answer as above