When I turn the dial to zero and turn the butterfly knob,
it is no longer springy and is loose.
When I turn the dial to zero and turn the butterfly knob, it is no longer springy and is loose.
Applicable to: 8400 Mechanical spin dial lock
Problem:
When I turn the dial to zero and turn the butterfly knob, it is no longer springy and is loose.
Cause:
The over center spring in the cam has broken.
Solution:
You will need to contact a professional safe and vault technician for assistance.
For Additional information please call Vault Pro USA: 800-299-6929
