Careof Youropener - Craftsman 139.53906D Owner's Manual

Careof YourOpener
MAINTENANCE SCHEDULE
Once a Month
• Manually operate door. If it is unbalancedor binding, call a
trained door systems technician.
• Checkto be sure door opens and closes fully. Adjust limits and/
or force if necessary (see pages 27 and 28).
• Repeatthe safety reversetest. Make any necessary
adjustments (See Adjustment Step 3).
Once a Year
• Oil door rollers, bearings and hinges. The opener does not
require additional lubrication. Do not greasethe door tracks.
THE REMOTECONTROLBATTERY
To prevent possible SERIOUSINJURY or DEATH:
• NEVERallow small children near batteries.
• If battery is swallowed, immediately notify doctor.
To reduce risk of fire, explosion or chemical burn:
• Replace ONLYwith 3V2032 coin batteries.
• DO NOT recharge, disassemble, heat above 212°F (100°C) or
incinerate.
The lithium battery should produce
power for up to 5 years.
Open this end
To replace battery, use the visor clip or firsttoavoid/_ _ _-J
screwdriver blade to pry open the case cracking _ __
as shown. Insert battery positive
hous_
side up (+).
Dispose of old battery properly.
Replacethe battery with only 3V2032 coin cell batteries.
NOTICE: To comply with FCC and or Industry Canadarules (IC),adjustment or modifications of this
receiver and/or transmitter are prohibited, except for changing the code setting or replacing the
battery.THEREARE NOOTHERUSERSERVICEABLE PARTS.
Tested to Comply with FCC Standards FORHOME OR OFFICEuse, Operation is subject to the
following two conditions: (1) this device may not cause harmful interference, and (2) this device
must acceptany interference received,including interferencethat may cause undesiredoperation,
32