Care Of Your Garage Door Opener - Chamberlain Whisper Drive Security+ WD912KS 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 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)
Once a Year
• Oil door rollers, bearings and hinges. The opener
does not require additional lubrication. Do not
grease the door tracks.
FORCE CONTROLS
9 9
1 1
7 3 7 3
5 5
KG
KG
LIMIT CONTROLS
THE REMOTE CONTROL BATTERY
WARNING
To prevent possible SERIOUS INJURY or DEATH:
• NEVER allow small children near batteries.
CAUTION
• 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.
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
Battery
positive
side up (+)