Craftsman 139.53993D Garage Door Opener User 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 first 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.
FORCECONTROLS
LIMIT CONTROLS
G
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 27 and 28).
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.
THE REMOTE CONTROL BATTERY
Toprevent possible 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.
Open this end
first to avoidJ (...._
crac!_ing _ _-_'J
hous_
NOTICE:Tocomply with FCCandor Industry Canadarules (IC), adjustment or modificationsof
this receiverand/ortransmitter are prohibited,exceptfor changingthe codesettingor replacing
the battery.THEREARENOOTHERUSERSERVICEABLEPARTS.
Testedto Complywith FCCStandardsFORHOMEOROFFICEUSE.Operation is subject to the
following two conditions: (1) this devicemay not causeharmful interference,and (2) this device
must acceptany interferencereceived,includinginterferencethat maycauseundesiredoperation.
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