Craftsman 139.53989 Owner's Manual page 33

Care of Your Opener
LIMIT AND FORCE ADJUSTMENTS:
Weather conditions may
cause some minor
FORCE CONTROLS
changes in door
operation requiring some
re-adjustments,
particularly during the
first year of operation.
LIMIT CONTROLS
Pages 28 and 29 refer to
the limit and force _j_j.j (_)_) _t_@ _
adjustments. Only a
screwdriver is required.
Follow the instructions carefully.
Repeat the safety reverse test (page 30) 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 28
and 29.)
• Repeat the safety reverse test. Make any
necessary adjustments. (See Adjustment Step 3.)
Twice a Year
• Check chain tension. Disconnect trolley first. Adjust
if necessary (See page 11).
Once a Year
• Oil door rollers, bearings and hinges. The opener
does not require additional lubrication. Do not
grease the door tracks.
THE REMOTE CONTROL BATTERY
To prevent p0ssible SERIOUSINJURYor DEATH:
• NEVERallow small children near batteries.
• If battery is swallowed, immediately notify doctor.
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.
3-FUNCTION
Open this end
first to avoidJ_L._
craoking _" _:z_-%_/
hous_
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.
33