Care Of Your Garage Door Opener - Chamberlain POWER DRIVE 248735S 3/4 HP Owner's Manual

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.
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.
THE REMOTE CONTROL BATTERY
FORCE CONTROLS
LIMIT CONTROLS
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.
NOTICE: To comply with FCC and or Industry Canada (IC) rules,
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.
32
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 (+)