Maintenance; Care Of Your Garage Door Opener - LiftMaster 8500WMC Manual Del Usuario

Maintenance

Care of Your Garage Door Opener

MAINTENANCE SCHEDULE
EVERY MONTH
• Manually operate door. If it is unbalanced or binding, call a trained door systems
technician.
• Check to be sure door opens and closes fully. Adjust limits if necessary (see
Adjustment Step 1).
• Repeat the safety reversal test. Make any necessary adjustments (see Adjustment
Step 2).
EVERY YEAR
• Oil door rollers, bearings and hinges. The garage door opener does not require
additional lubrication. Do not grease the door tracks.
EVERY TWO TO THREE YEARS
• Use a rag to wipe away the existing grease from the garage door opener rail. Reapply
a small layer of white lithium grease to the top and underside of the rail surface
where the trolley slides.
myQ Remote LED Light
• Unplug the light before cleaning.
• Use a lightly dampened cloth for cleaning.
• DO NOT use liquid cleaners on the light lens.
THE REMOTE CONTROL BATTERY
The LED(s) on your remote control will stop flashing when the battery is low and needs to be
replaced. To replace battery, open the case as shown. Insert battery positive side up (+).
Replace the battery with only 3V CR2032 coin cell batteries. Dispose of old battery properly.
Pry open the case first
in the middle (1), then
at each side (2 and 3)
with the visor clip.
3V CR2032
3
1
2
31
To prevent possible SERIOUS INJURY
or DEATH:
• NEVER allow small children near
batteries.
• If battery is swallowed, immediately
notify doctor.
To reduce risk of fire, explosion or
chemical burn:
• Replace ONLY with 3V CR2032
coin batteries.
• DO NOT recharge, disassemble,
heat above 212° F (100° C) or
incinerate.