Chamberlain door opener - Manual (Page 25)

25
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
www.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 from
electrocution, disconnect ALL electric power BEFORE
performing ANY maintenance.
ATTENTION
AVERTISSEMENT AVERTISSEMENT
AVERTISSEMENT
WARNING
CAUTION
WARNING
WARNING WARNING
PRECAUCIÓN ADVERTENCIA
ADVERTENCIA ADVERTENCIA
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
was 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.
ITEM PROCEDURE ONE 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
Safety Reversing
Sensors Check for proper operation. z
M A I N T E N A N C E