Craftsman 139.53403 - Manual (Page 2)

FEATURES OF YOUR OPENER
1. Motor; Permanently lubricated with automatic
reset
2. Opener Light; Turns on and off automatically.
Provides4-1/2 minute illumination foryoursafety
and convenience.
3. Safety System: Independent up and down force
adjustment Door reverses automatically when
obstructed in DOWN direction Door STOPS when
obstructed in UP direction
4. Easy Limit Adjustment: Limits of door opening
and closing adjusted by turning screws without
removing chassis cover.
5. Digital Radio Controls: The code can be easily
changed by the owner.
6. 3'Channel Transmitter: Three push buttons.
Each button can activate one or more remote
control devices. The large transmitter button is
factory preset to operate the garage door opener.
7. Emergency Disconnect: Pull cord disconnect
permits manual door operation.
8. Automatic Reconnect: The trolley halves re­
connect for automatic operation when opener is
energized after emergency disconnect.
SPECIFiCATlONS
Type ..
speed
Volts .
Current
Gears....................
Drive .....................
Length of Travel
Travel rate........
Lamp.....................
Door linkage.
MOTOR
. Permanent split capacitor
1500 rpm
. . . 120 Volts AC-60 Hz Only
..
4.5 amperes
DRIVE MECHANISM
. 16:1 worm gear reduction
Chain & cable with two-piece trolley on
steel Tee rail
. Adlustable to 7-1/2 feet
6 to 8 inches per second
On when door starts In travel, off 4-1/2
minutes after stop.
Adiustable door arm Pull cord trolley
release
Personal................
Electronic ...
Electrical ,
Limit device ...
Limit adjustment
Start circuit
Length (overall)...........
Headroom required
Hanging Weight. . ..
SAFETY
Push button & automatic reversal in down
direction. Push button & automatic stop
in up direction.
Indeperident up a down force adjustment
screws
Motor overload protector and low voltage
push button wiring
Circuit actuated by limit nut
Screwdriver adjustment on side panel
Low voltage push button or radio control
DIMENSIONS
.124 In
. 2 inches
32 pounds
Sears offers many useful accessories for your garage door opener. They are illustrated below with Sears
stock numbers and descriptions.
53703
EXTRA TRANSMITTER:
Includes visor clip
OUTDOOR KEY SWITCH:
Opens the garage door automatically j
from outside when transmitter is not |
handy
53710
DOOR CLEARANCE BRACKETS:
(FOR SECTIONAL DOORS ONLY)
Replace top brackets and rollers on
doorto reduce height of doortravel. For
use when installing opener in garage
with low headroom clearance
INFRARED REVERSING SENSOR:
An optional system which provides aux­
iliary support to the safety features built
into your opener. If the sensor's invis­
ible beam is broken, a closing door will
reverse and an open door will not close
53702
53717
53716
EMERGENCY RELEASE KEY LOCK:
REQUIRED fora garage with NOser-1
vice door. Allows manual operation of
garage door from outside in case of |
power failure,
OPEN DOOR INDICATOR:
Provides an illuminated signal when |
your garage door is open.
TOUCH CODE LOCK:
Enables the homeowner to operate
garage door opener from outside by
entering code on specialiy designed
keypad.