Chamberlain CG40DM Garage Door Opener User Manual


 
32
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 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.
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.
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.
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 & 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).
Two Times a Year
Check chain tension. Disconnect trolley fi rst. Adjust if
necessary (see page 11).
Every Year
Oil door rollers, bearings and hinges. The opener does
not require additional lubrication. Do not grease the
door tracks.
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.
Battery
positive
side up (+)
FORCE CONTROLS
(Back Panel)
LIMIT CONTROLS
(Left Panel)
TRAVEL
UP
INCREASE
DOWN