Craftsman 139.5399211 Owner's Manual page 32

CARE OF YOUR OPENER THEREMOTE CONTROL B ATTERY
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.
FORCE CONTROLS LIMIT CONTROLS
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)
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.
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 (+).
Open this end
first to avoid
cracking
Dispose of old battery properly.
NOTICE: To comply with FCC and or h]dustly Canada _ules (IC), adjustment or
modifications of this receiver and/or tlansmitMr are prohibited, exceptfor changing the
code setting or repiacg]gthe battery THEREARENO OTHERUSERSERVICEABLE PARTS
Testedto Comply with EBBStandalds FORHOMEOR OFFICE USE.Operation is subject to
the following lwo conditions: (f) this device may not cause harmful interfelence, and
(2) this device must accept any interference _eceived,including interference that may
cause undesired operation
32