Chamberlain 1355CM-1/2HP Owner's Manual page 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 fi rst 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
Every 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.)
Two Times a Year
• Check chain tension. Disconnect trolley fi rst. Adjust if
necessary (see page 7).
Every Year
• Oil door rollers, bearings and hinges. The opener does
not require additional lubrication. Do not grease the
door tracks.
Every Three to Four Years
• Use a rag to wipe away the existing grease from the
garage door opener rail. Reapply a small layer of white
lithium grease to the rail.
FORCE CONTROLS
1
LIMIT CONTROLS
28
THE REMOTE CONTROL BATTERY
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.
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 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.
Battery
positive
side up (+)