Chamberlain LA412 - Manual (Page 12)

1
MANUAL RELEASE
Insert the key into the lock and turn it 180°
counterclockwise. Turn the release lever
180° counterclockwise. The operator is
now in manual mode.
2
DETERMINE THE POSITION OF THE EXTENSION BRACKET
The extension bracket can be assembled to work on a Left-Hand or a Right-Hand gate. Review the gate types
below and select the type of installation required.
NOTE: If the extension bracket is not assembled correctly damage to the operator may result.
Left-Hand Gate
IMPORTANT NOTE: For Push to Open installation purchase kit 50-19503, see accessories.
Right-Hand
Gate
Left-Hand Gate Right-Hand Gate
Key
Release
Lever
INSTALLATION
Installation 12