If you think your keys may have fallen into the wrong hands, you may want to change your door lock for safety, security and peace of mind.

1. How to Change
a Door Lock
If you think your keys may have
fallen into the wrong hands, you
may want to change your door lock
for safety, security and peace of
mind.
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How to GuidesTopline - Home, Garden & DIY

2. Step 1: Unscrew Existing Lock
• Remove the existing door
lock/night latch by unscrewing
the retaining screws.

3. Step 2: Unscrew Barrel
• Unscrew the barrel retaining
bolts and pull the barrel from
the door.
• Keep the mounting bolts to
use with the new barrel, as
they will have already been cut
to size.

4. Step 3: Fit New Lock Barrel
• Insert the new barrel, making
sure the mounting ring is flush
to the door.
• Secure with the original
retaining bolts, and refit the
lock body.
• Then test for smooth action.

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lock
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