Care of your garage door opener, The remote control battery, Limit and force adjustments – Sears 139.53930D User Manual

Page 32: Maintenance schedule, A warning, Warning

Attention! The text in this document has been recognized automatically. To view the original document, you can use the "Original mode".

CARE OF YOUR GARAGE DOOR
OPENER

THE REMOTE CONTROL BATTERY

FORCE CONTROLS

LIMIT CONTROLS

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.

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)

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.

WARNING

To prevent possible SERIOUS INJURY or DEATEI:
• NEVER allow small children near batteries.
• If battery is swallowed, immediately notify doctor.

Open this end
first to avoid
cracking
housing

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 matching
polarity instructions inside the

remote cover or on the printed circuit board

Dispose of old battery properly.

NOTICE: To comply with FCC and or Industry Canada rules (!C), 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 vifith 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 imdeslred operation.