Chamberlain LA412 - Manual (Page 38)

MANUAL RELEASE
In case of a power failure, the operator can be disengaged
from the gate. With an operator, the release action may
sometimes feel stiff/jerky, which is normal and has no
effect on function.
RELEASE
1. Insert the key into the lock.
2. Turn the key counter-clockwise 180°.
3. Turn the release lever counter-clockwise 180°.
4.
Operator is in manual mode and the gate can be
opened and closed manually.
ENGAGE
1.
Turn the release lever clockwise 180°. This engages
the motor.
2. Turn the key clockwise 180°. This locks the release
lever.
3. Remove the key and store in a safe place.
4. The operator is now engaged.
MAINTENANCE
Check for proper operation ●
Check and operate ●
Inspect for wear or damage ●
Check all for proper operation ●
Inspect all wire connections ●
Check for tightness ●
Replace ●
Inspect for wear or damage ●
Entrapment
Protection Systems
Manual Release
Gate
Accessories
Electrical
Mounting Hardware
Batteries
Total Unit
C H E C K A T L E A S T O N C E E V E R Y
Description Task 1 Month 6 Months 3 Years
NOTES:
1.
Disconnect power before servicing.
2. Severe or high cycle usage will require more frequent mainte-
nance checks.
3. Inspection and service should always be performed anytime a
malfunction is observed or suspected.
4. When servicing, please do some “house cleaning” of the
operator and the area around the operator. Pick up any debris
in the area. Clean the operator as needed.
5. It is suggested that while at the site voltage readings be taken
at the operator. Using a Digital Voltmeter, verify that the
incoming voltage to the operator it is within ten percent of the
operator’s rating.
6. See page 35 for instructions on how to check gate force and
adjust.
Operation and Maintenance 38