Care Of Your Opener; Important Safety Instructions - Chamberlain 1000SD 1/3 HP Owners Manual

IMPORTANT SAFETY INSTRUCTIONS

WARNING WARNING
WARNING WARNING
CAUTION
CAUTION
MUST
must Failure to properly adjust the opener may result in severe injury or death.
Weak or broken springs may cause the door to
fall rapidly, causing injury or death to persons.
An improperly balanced door may not
reverse when required, and could result in severe injury or death.

Care of Your Opener

+
8 8
1 1
7 7
3 3
5 5
Kg
Kg +
LIMIT CONTROLS
FORCE CONTROLS
dim or off
Maintenance Schedule
Once a Month
Once a Year