Chamberlain 2220RGD 1/2 HP - Manual (Page 28)

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.
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.
28
FORCE CONTROLS
1
3
9
7
5
kg kg
Battery
positive
side up (+)
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 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
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.
LIMIT CONTROLS
+
+