Craftsman 139.53959SRT Owner's Manual page 33

Care of Your Opener
THE
REMOTE CONTROL
BATTERY
LIMIT AND FORCE ADJUSTMENTS
Weather conditions may
cause some minor FORCE CONTROLS
changes in door
operation requiring some
re-adjustments,
particularly during the
first year of operation.
LIMIT CONTROLS
Pages 28 and 29 refer to
the limit and force _ (_ l_r__) _
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.
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.
Dispose of old battery properly.
3-FUNCTION
this end Open
first to avoidJ_ L_ j_
cracking _" C_-_-_JJ
hous_
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
SERVICEABLEPARTS.
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, including
interference that may cause undesired operation.
33