Chamberlain 3280 1/2HP Garage Door Opener User Manual


 
28
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 23 and 24 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 25) after any adjustment of limits or
force.
NOTICE: To comply with FCC and or Industry Canada (IC) 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 OTHERUSER 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.
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 and closes fully.
Adjust limits and/or force if necessary. (See pages
23 and 24.)
• 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
1
3
9
7
5
1
3
9
7
5
LIMIT CONTROLS
KG
KG
THE REMOTE CONTROL BATTERY
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.
To prevent possible SERIOUS INJURY or DEATH:
• NEVER allow small children near batteries.
• If battery is swallowed, immediately notify doctor.
To reduce risk of fire, explosion or chemical burn:
• Replace ONLY with 3V2032 coin batteries.
• Do NOT recharge, disassemble, heat above 100°C
(212°F) or incinerate.
Battery
positive
side up (+)