Chamberlain 3240 1/2 HP 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.
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 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
KG
KG
LIMIT CONTROLS
THE REMOTE CONTROL BATTERY
The lithium battery should produce power for up to
5 years.
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. THEREARE 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.
To prevent possible SERIOUS INJURY or DEATH:
NEVER allow small children near batteries.
If battery is swallowed, immediately notify doctor.
WARNING
CAUTION
WARNING
WARNING
Battery
positive
side up (+)
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.
WARNING
CAUTION
WARNING
WARNING
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.