Craftsman 139.53990DS Owner's Manual page 32

Care of Your Opener
THE
REMOTE CONTROL
BATTERY
LIMIT AND FORCE
ADJUSTMENTS:
FORCE CONTROLS
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.
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.
• DONOT recharge, disassemble, heat above 100°C
(212°F) or incinerate.
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. Replace the
battery with only 3V2032
coin cell batteries.
Open this end ,,,,_.-_
first to av0id/__mL.... _ j-_
cracking _._ <_X.__/
housl_
NOTICE: To comply with FCC and or Industry Canada rules (IC), 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.
Testedto Comply with FCCStandardsFORHOMEOR OFFICE USE.Operationis 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
causeundesired operation.
32