Craftsman 139.53993D - Manual (Page 32)

CARE OF YOUR OPENER
THE REMOTE CONTROL BATTERY
LIMIT AND FORCE
ADJUSTMENTS:
Weather conditions may cause
some minor changes in door
operation requiring some re­
adjustments, 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.
FORCE CONTROLS
LIMIT CONTROLS
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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).
Once a Year
• Oil door rollers, bearings and hinges. The opener does
not require additional lubrication. Do not grease the
door tracks.
A WARNING
To prevent possible SERIOUS INJURY or DEATH:
• NEVER all ow small children near batteries.
• If battery is swallowed, immediately notify doctor.
The 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.
Open this end
first to avoid
cracking
housing
NOTICE: To comply with FCC and or Indiisiry Canada rules (1C), adjustment or modifications of
this receiver and/or transmitter are prohibited, except for changing the code setting or replacing
the battery. THERE ARE NO OTHER USER SERVICEABLE PARTS.
Tested to Comply with FCC Standards FOR HOME OR OFFICE USE. Operation is subject to the
following two conditions: (1) this device may not cause harmful interference, and (2) this device
must accept any interference received, Including interference that may cause undesired operation.
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