Features Of Your Opener; Specifications; Accessories - Craftsman 139.53403 Owner's Manual

FEATURES OF YOUR OPENER
1. Motor: Permanently lubricated with automatic
reset,
2. Opener Light: Turns on and off automatically.
Provides 4-1/2 minute illumination for your safety
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. EasyLimitAdjustment: Limitsofdooropening
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 opene_
7. Emergency Disconnect: Pullcord disconnect
permits manual door operation,
8. Automatic Reconnect: The trolley halves re-
connect for automatic operation when opener is
energized after emergency disconnect
SPECIFICATIONS
MOTOR SAFETY
Type . Permanent split capacitor
Speed 1500 rpm
Vofts .... 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 7-1/2 feet
Travel rate 6 to 8 inches per second
Lamp .... On when door starts in travel, off 4-1/2
minutes after stop
Door linkage Adjustable door arm Pug cord troUey
release
Personal .... Push button & automatic reversal in down
direction Push button & automatic stop
tn up direction
Electronic Independent up & down force adjustment
screws
Electrical Motor overload protector and low voltage
push button wiring
Limit device . Circuit actuated by limit nut
Limit adjustment Screwdriver adjustment on side panel
Start circuil Low voltage push button or radio control
DIMENSIONS
Length (overall) . 124 in
Headroom required 2 inches
Hanging Weight 32 pounds
Sears offers many useful accessories for your garage door opener. They are illustrated below with Sears
stock numbers and descriptions,
53718 53703
OUTDOOR KEY SWITCH:
EXTRA TRANSMITTER: Opens he garage doer automat ca ly
Includes visor clip from outside when transmitter is not
handy
53709 53702
EMERGENCY RELEASE KEY LOCK:
_/_ DOOR CLEARANCE BRACKETS: REQUIRED fora garage with NO set-
(FOR SECTIONAL DOORS ONLY} vice door° Allows manual operation of
garage door from outside in ease of
Replace top brackets and rollers on power failure
doorto reduce height of door travel For
use when installing opener in garage ......................................................................................
with low headroom clearance 53717
......_-7 OPEN DOOR INDICATOR:
Provides an illuminated signal when i
• !_ your garage door is open
53710 . ._ii_E_.._
INFRARED REVERSING SENSOR:
"_ t_'. I_l'Ybzm An optional system which provides aux ...........................................................................................
iliary support to the safety features built 53716
into your opener If the sensor's invis- _ TOUCH CODE LOCK:
ible beam is broken, a closing door will _ Enables the homeowner to operate
reverse and an open door will not close garage door opener from outside by
entering code on specially designed
keypad
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