Craftsman Garage Door Opener 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.
Pages 27 and 28 refer to the
limit and force adjustments. Only LIMIT CONTROLS
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.
FORCE CONTROLS
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:
• Replace ONLYwith 3V2032 coin batteries.
• Do NOT recharge, disassemble, heat above 212°F (100°C)
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.
Open this end
first to avoid/. __ _J
cracking ("'_---_ _:_/_/
hous_
Replace the battery with ONLY 3V2032 coin cell
batteries.
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.
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.
32