Features of your opener, Specifications, Accessories – Craftsman 1/2HP Garage Door Opener 139.53515SR User Manual

Page 4

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FEATURES OF YOUR OPENER

1. Motor: Permanently lubricated with automatic reset.

2. Opener Lights: Turn on and off automatically with ЛУг

minute illumination for your safety and convenience.
Provide constant fight when Light Feature is activated.

3. Safety System: Independent up and down force

adjustment. The door reverses automatically when

obstructed in DOVVN direction. The door STOPS when
obstructed in UP position

4. Easy Limit Adjustment: Limits of door opening and

closing adjust^ by turning screws without removing
chassis cover.

5.

Digital Radio Controls: The code can be easily

changed by the owner,

6. Emergency Disconnect: Pull cord disconnect permits

manual door operation.

7. 3-Function Transmitter: Has three push buttons. Each

button can activate one or more remote control devices.
Opener is factory preset to activate when LARGE push
button on transmitter is pressed.

8. Automatic Reconnect: The trolley halves reconnect

for automatic operation when the opener is energized

after emergency disconnect.

9. Lock Push Button: When Lock Feature is activated,

opener will not operate from portable transmitters. Door
will OPEN from Wall Control push bar, Key Switch and
Touch Code Transmitter accessories, described below.

Door will CLOSE if Wall Control push bar is pressed

and held through a complete down cycle. If push bar
is released before travel Is completed, door will reverse.

SPECIFICATIONS

MOTOR

Type................................ Permanent split capacitor

Speed............................. 1500 rpm
\folts...............................120 Volts AC - 60 Hz. Only
Current.......................... 45 amperes

DRIVE MECHANISM

Gears.............................. 16:1 worm gear reduction

Drive.............................. Chain & cable with two-piece trolley on

steel Tee-rail

Length of travel............ Adjustable to

Th

leet

Travel rate......................6 to 8 inches per second

Lamps............................ On when door starts in travel, off 4’A

minutes after stop. Constant light when

Light Control is ON.

Door linkage..................Adjustable door arm. Pull cord trolley

release.

SAFETY

Personal........................Push button and automatic reversal in

down direction. Push button and

Automatic stop in UP direction

Electronic......................Independent UP and DOWN force

adjustment screws

Electrical....................... Motor overload protector & low voltage

push button wiring

Limit device................. Circuit actuated by limit nut
Limit adjustment.......... Screwdriver adjustment on side panel
Start circuit...................Low voltage push button or radio

control

DIMENSIONS

Length (overall)............124 inches
Headroom required .. 2 inches

Hanging weight............ 32 pounds

ACCESSORIES

Sears offers many useful accessories for your garage door opener. They are illustrated below with sears stock

numbers and descriptions.

53778 _^^

EXTRA TRANSMITTER:

Standard size. Includes visor clip.

53758

EXTRA TRANSMITTER:

Mini.

53703

OUTDOOR KEY SWITCH:

Opens the garage door automatically

from outside when transmitter is not

handy.

53709

DOOR CLEARANCE BRACKETS:

(For Sectional Doors Only)

Replace top brackets and rollers on

door to reduce height of door travel.

For use when installing opener in

garage with low headroom clearance.

53710

53717

53776

53702

INFRARED REVERSING SENSOR:

An optional system which provides
auxiliary support to the safety features
built into your opener. If the sensor's

invisible beam is broken, a closing

door will reverse and an open door will

not close.

OPEN DOOR INDICATOR:

Provides an illuminated signal when
your garage door is open.

TOUCH CODE TRANSMITTER:

Enables homeowner to operate garage

door opener from outside by entering

code on specially designed keyboard.

EMERGENCY RELEASE KEYLOCK

REQUIRED for a garage with NO

service door.

Allows manual operation of garage
door from outside in case of power
failure.

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