Sears 139.53971SRT - Manual (Page 33)

Care of Your Opener THE REMOTE CONTROL BATTERY
FORCE CONTROLS
LIMIT CONTROLS
Ff
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 carefuily.
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 Yeat
• 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 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 down.
Dispose of old battery
properly.
3-FUNCTJON
Open this end
first lo avoid
cracking -
housing ■
■
NOTICE: To comply with FCC and/or Industry Canada rules, 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.
33