Care Of Your Garage Door Opener; Maintenance Schedule; The Remote Control Battery - Craftsman 139.53920DM Manual Del Propietário

CARE OF YOUR GARAGE DOOR
OPENER
LIMIT AND FORCE FORCE C ONTROLS
ADJUSTMENTS:
Weather conditions may cause
some minor changes in door
operation requiring some
readjustments, particularly
during the first year of
operation
Pages 27 and 28 refer to the
limit and force adjustments
Only a screwdriver is required
Follow the instructions carefully
Repeat the safety reverse test (Adjustment Step 3,
page 29) after any adjustment of limits or force.
LIMIT CONTROLS
MAINTENANCE SCHEDULE
Once a Month
• Manually operate door If it is unbalanced or binding, call
a trained door systems technician
• Check to be sure door opens & closes fully Adjust limits
and/or force if necessary (See pages 27 and 28)
• Repeat the safety reverse test. Make any necessary
adjustments. (See Adjustment Step 3.)
Twice a Year
• Check chain tension. Disconnect trolley first. Adjust if
necessary (See page 11).
Once a Year
• Oil door rollers, bearings and hinges. The opener does
not require additional lubrication. Do not grease the door
tracks.
THE REMOTE CONTROL BATTERY
To prevent possible SERIOUSINJURYor DEATH:
• NEVERallow small children near batteries.
• If battery is swallowed, immediately notify doctor.
To reduce risk of fire, explosion or chemical burn:
• ReplaceONLYwith 3V2032 coin batteries.
• Do NOT recharge, disassemble, heat above 212°F (100°C )
or incinerate.
The 3V2032 lithium battery
should produce power for up to
5 years. To replace battery, use
the visor clip or screwdriver
blade to pry open the case as
shown. Insert battery positive
side up.
Dispose of old battery properly.
Replace the batteries 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 devine
must acceptany interference received,including interferencethat may causeundesired operation.
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