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13
Turn on power. Test all controls and safety devices to make sure
they are working properly. It will be necessary to refer back to
page 7 for fine adjustment of the limit switches.
IMPORTANT NOTES:
• Do not leave operator power on unless all safety and
entrapment protection devices have been tested and are
working properly.
• Be sure you have read and understand all Safety Instructions
included in this manual.
• Be sure the owner or person(s) responsible for operation of
the door have read and understand the Safety Instructions,
know how to electrically operate the door in a safe manner,
and know how to use the manual disconnect operation of the
door operating system.
TESTING AND MAINTENANCE
To avoid SERIOUS PERSONAL INJURY or DEATH from
electrocution, disconnect ALL electric power BEFORE
performing ANY maintenance.
ATTENTION
AVERTISSEMENT AVERTISSEMENT
AVERTISSEMENT
WARNING
CAUTION
WARNING
WARNINGWARNING
PRECAUCIÓN
ADVERTENCIA
ADVERTENCIAADVERTENCIA
Check at the intervals listed in the following chart:
HOW TO ORDER REPAIR PARTS
OUR LARGE SERVICE ORGANIZATION SPANS AMERICA
Installation and service information are available.
Call our TOLL FREE number:
1-800-528-2806
www.liftmaster.com
Use SAE 30 Oil (Never use grease or silicone spray).
• Do not lubricate motor. Motor bearings are rated for
continuous operation.
• Do not lubricate clutch or V-belt.
Repeat ALL procedures.
Inspect and service whenever a malfunction is observed or
suspected.
To avoid SERIOUS PERSONAL INJURY or DEATH from
electrocution, disconnect ALL electric power BEFORE
performing ANY maintenance.
ATTENTION
AVERTISSEMENT AVERTISSEMENT
AVERTISSEMENT
WARNING
CAUTION
WARNING
WARNINGWARNING
PRECAUCIÓN
ADVERTENCIA
ADVERTENCIAADVERTENCIA
ITEM
Drive Chain
Sprockets
Clutch
Belt
Fasteners
Manual Disconnect
Bearings and Shafts
PROCEDURE
Check for excessive slack.
Check and adjust as required.
Lubricate.
Check set screw tightness.
Check and adjust as required.
Check condition and tension.
Check and tighten as required.
Check and operate.
Check for wear and lubricate.
EVERY 3 MONTHS
EVERY 6 MONTHS
EVERY 12 MONTHS
MAINTENANCE SCHEDULE
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