Care of your opener, The remote control battery, Limit and force adjustments – Sears 139.53975SRT1 User Manual
Page 33: Warning
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Care of Your Opener
THE REMOTE CONTROL BATTERY
FORCE CONTROLS
LIMIT CONTROLS
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 28 and 29 refer to
the limit and force
adjustments. Only a
screwdriver is required.
Follow the instructions carefully.
Repeat the safety reverse test {page 30) after any
adjustment of limits or force.
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 28
and 29.)
• 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.
^ WARNING
To prevent possible SERIOUS INJURY or DEATH:
• NEVER allow 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.
3-FUNCTION
Open this end
first to avoid
cracking
housing
fyOTICE: To compiy with FCC and or Industry Canada (1C) rules, adjustment or
modifications of this receiver and/or transmitter are prohibited, except tor changing the
code setting or replacing the battery. THERE ARE ^iO 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, incl uding interference that may cause
undesIred operation.
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