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44
MAINTENANCE
MAINTENANCE SCHEDULE
For use with Maintenance Alert System.
Check at the intervals listed in the following chart:
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.
LIFE OF OPERATOR FEATURE
The logic board is equipped with a cycle counter to show how many cycles have been performed and number of months in service since
installation. If the logic board is replaced, all settings will reset to 0.
1. Start with the door in the closed position.
2. Turn the selector dial to DIAG.
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 LEDs will fl ash. 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 LED indications. If Logic Board is replaced, cycles
and hours reset to zero.
Maintenance
ITEM PROCEDURE EVERY MONTH
EVERY 3 MONTHS OR
5,000 CYCLES
EVERY 6 MONTHS OR
10,000 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
Non-Motor Bearings
Check for wear and lubricate.
z6
Shafts
Check for wear and lubricate.
z6
Solenoid Brake
Inspect brake pad
z
LiftMaster Monitored Entrapment
Protection (LMEP)
Check alignment and
functionality.
z
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.
z Inspect and service whenever a malfunction is observed or
suspected.
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