Sears CRAFTSMAN 139.53640SRT - Manual (Page 31)

IMPORTANT SAFETY INSTRUCTIONS
A WARNING WARNING
To reduce the risk of severe injury or death to persons:
1. READ AND FOLLOW ALL INSTRUCTIONS.
2. Do not permit children either to operate or to piay with the opener. Keep remote controi in a
location inaccessibie to chiidren.
3. Operate opener oniy when the door is in fuii view and free from any obstruction. Keep the door in
sight until it is compieteiy ciosed. NO ONE SHOULD CROSS THE PATH OF THE MOViNG DOOR.
4. Check safety reversai system monthiy. See page 30. The garage door MUST reverse on contact
with a one-inch (or a 2x4 board iaid fiat) object piaced on the floor. If an adjustment is made to
either the force or the iimit of travei, both adjustments may be needed and the safety reversai
system must be checked. Failure to properly adjust the opener may result in severe injury or death.
5. If possibie, use the emergency reiease only when the door is in a ciosed position. Caution should
be taken whenever the disconnect cord is actuated with the door open. Weak or broken springs
may cause the door to fall rapidly, causing injury or death to persons.
6. KEEP GARAGE DOORS PROPERLY BALANCED. See page 3. An improperly balanced door may not
reverse when required and could result in severe injury or death. Repairs to cables, spring
assemblies and other hardware must be made by a professional garage door person.
7. Disconnect the electric power to the garage door opener before making any repairs or removing the
covers.
8 .
SAVE THESE INSTRUCTIONS.
Care of Your Opener
Limit and force adjustment controls
Limit Controls Force Controls
iNCREASE INCREASE
) DOWN UP
TRAVEL TRAVEL
0
)
Adjustment Label
(Located on the left side panel)
Adjustment Label
(Located on the right side panel)
Weather conditions may cause some minor
changes in door operation requiring some re­
adjustments, particularly during the first year of
operation.
Pages 28 and 29 refer to the limit and force
adjustments. Only a screwdriver is required. Follow
the instructions carefully.
Repeat the safety reverse test (page 30} after any
adjustment of limits or force.
The remote controi
The opener must learn the code of any new remote
control. Page 33 explains how to program your
receiver and how to erase all codes if required. Self
service of your receiver is not recommended. If
service is needed, contact your nearest Sears
Service Center.
The remote controi battery
The green test light should glow and the opener
should operate when the remote control is activated.
If the green test light is dim or does not come on,
replace the battery.
The 12 Volt battery should produce power for at least
a year.
Dispose of your old battery properly.
Maintenance Schedule
Once a Month Twice a Year
Manually operate door. If it is unbalanced or Check chain tension. Disconnect trolley first.
binding, call for professional garage door service. Adjust if necessary (See page 11).
Check to be sure door opens & closes fully. Once a Year
Adjust limits and/or force if necessary. Oil door rollers, bearings and hinges
(See pages 28 and 29.)
Repeat the safety reverse test. Make any
The opener does not require additional
necessary adjustments (See page 30).
lubrication.
Do not grease the door tracks.
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