Care Of Your Garage Door Opener - Chamberlain WHISPER DRIVE WD822KD Owner's Manual

CARE OF YOUR OPENER
LIMIT AND FORCE ADJUSTMENTS:
Weather conditions may cause some
minor changes in door operation
requiring some re-adjustments,
particularly during the fi rst 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
Every Month
• Manually operate door. If it is unbalanced or binding,
call a trained door systems technician.
• Check to be sure door opens and 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).
Every Year
• Oil door rollers, bearings and hinges. The opener does
not require additional lubrication. Do not grease the
door tracks.
THE REMOTE CONTROL BATTERY
FORCE CONTROLS
LIMIT CONTROLS
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.
32
To prevent possible SERIOUS INJURY or DEATH:
• NEVER allow small children near batteries.
• If battery is swallowed, immediately notify doctor.
To reduce risk of fi re, explosion or chemical burn:
• Replace ONLY with 3V2032 coin batteries.
• DO NOT recharge, disassemble, heat above 100° C
(212° F) or incinerate.
NOTICE: To comply with FCC and or Industry Canada rules (IC),
adjustment or modifi cations 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.
Battery
positive
side up (+)