Sears 139.53930D - Manual (Page 32)

CARE OF YOUR GARAGE DOOR
OPENER
THE REMOTE CONTROL BATTERY
FORCE CONTROLS
LIMIT CONTROLS
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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.
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.
A WARNING
To prevent possible SERIOUS INJURY or DEATEI:
• NEVER allow small children near batteries.
• If battery is swallowed, immediately notify doctor.
Open this end
first to avoid
cracking
housing
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 matching
polarity instructions inside the
remote cover or on the printed circuit board
Dispose of old battery properly.
NOTICE: To comply with FCC and or Industry Canada rules (!C), 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 vifith 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 imdeslred operation.
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