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MAINTENANCE
MAINTENANCE SCHEDULE
For use with Maintenance Alert System.
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
LiftMaster.com
6 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.
z Inspect and service whenever a malfunction is observed or
suspected.
To avoid SERIOUS personal INJURY or DEATH:
• Disconnect electric power BEFORE performing ANY
adjustments or maintenance.
• ALL maintenance MUST be performed by a trained door
systems technician.
26 Maintenance
ITEM PROCEDURE
EVERY
MONTH
EVERY 3 MONTHS
OR 5,000 CYCLES
EVERY 6 MONTHS
OR 10,000 CYCLES
EVERY 12 MONTHS
OR 20,000 CYCLES
Drive Chain Check for excessive slack.
Check and adjust as required.
Lubricate.
z6
Sprockets Check set screw tightness.
z
Clutch Check and adjust as required
z
Belt Check condition and tension.
z
Fasteners Check and tighten as required.
z
Manual Disconnect Check and operate.
z
Bearings and Shafts Check for wear and lubricate.
z6
LiftMaster Monitored
Entrapment Protection (LMEP)
Check alignment and functionality.
z
LIFE OF OPERATOR FEATURE (ODOMETER/CYCLE COUNTER)
The operator is equipped with an odometer to show how many
months and cycles the operator has performed from the time it as
installed. This feature can help determine how long the operator
has been in service.
1. Start with the door in the closed position.
2. Turn the selector dial to DIAG (diagnostic mode).
3. Press and release the MAS button on the logic board.
4. Press and release the MRT button on the logic board.
5. The open and close lights will flash. OPEN for every 5,000
cycles and CLOSE for every 3 months.
6. Return the selector dial to the desired wiring type.
NOTE: If the operator has not reached 5,000 cycles or 3 months,
there will be no indications.
GSD BRAKE
A solenoid brake comes standard on the GSD model. The brake is adjusted at the factory and should not need additional adjustment for
the life of the brake assembly.
Inspect the brake pad and replace brake assembly when necessary.
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