Chamberlain 248739 - Manual (Page 34)

34
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 (+).
Replace the battery with only
3V2032 coin cell batteries.
Dispose of old battery
properly.
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.
THE REMOTE CONTROL BATTERY 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 28 and 29 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 30) 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 28 and 29).
• 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.
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 (+)
LIMIT CONTROLS
FORCE CONTROLS