Liftmaster 041A7767 Manual de Usario

Liftmaster No categorizado 041A7767

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This motor kit is for use with
AC garage door openers that
utilize electronic controls to
set the open (UP) and close
(DOWN) travel. The force is
adjusted automatically when
you program the travel. The
images are for reference and
your product may look
different.
You will need:
• 1/4" magnetic nut driver
• Long-nosed pliers
• 5/16" long-shafted magnetic nut driver and socket
Installation
Overview
1. Preparation:
Close the garage door.
Disconnect all electrical power to the garage
door opener.
Disconnect wires for the door control (1a) and the
safety reversing sensors (1b) at the logic board.
Disconnect the door arm from the rail (1c).
Remove the garage door opener from the hanging
brackets (1d).
Relax the chain/belt tension by loosening the outer
nut on the trolley.
Remove the sprocket cover (1e).
Remove the belt or chain from sprocket.
Place the loose chain/belt on the end of the rail
nearest the sprocket. Tape the chain/belt to the rail
to prevent the chain/belt from falling to the floor.
Remove the rail from the garage door opener.
To prevent possible SERIOUS INJURY or DEATH from
electrocution, disconnect power to opener BEFORE proceeding.
The garage door MUST be in the fully closed position during
installation.
Motor Kit
Models 041A7767 and 041A7766 - 3/4HP
041A7442 and 041D7440 - 1/2HP
1c
OR
OU
O
1d
1e
CHECK OFF STEPS AS THEY ARE COMPLETED
1a
1b
WARNING: This product can expose you to chemicals
including lead, which are known to the State of California to
cause cancer or birth defects or other reproductive harm.
For more information go to www.P65Warnings.ca.gov
2
4. Reinstall the garage door opener:
NOTE: Trolley must be in the down position before installing
chain/belt.
Fasten the rail to the garage door opener.
Attach the garage door opener to the hanging
brackets (4a).
Attach the door arm from the rail (4b).
Reconnect wires for the door control (4c) and the
safety reversing sensors (4d) at the logic board.
Remove tape from chain/belt and rail. Reinstall
chain/belt and sprocket cover on sprocket.
To tighten the chain, turn outer nut in the direction
shown. When the chain is approximately 1/4"
(square rail) or 1/2" (T-rail) above the base of the rail
at its midpoint, re-tighten the inner nut to secure the
adjustment (4e).
To tighten the belt, manually thread the spring trolley
nut on the threaded shaft until it is finger tight. Place
a 7/16" open end wrench on the square end. Tighten
spring to a 1-1/4" tension (4e).
Reconnect power to the garage door opener.
Proceed to Adjustments
3. Install the new motor:
Install the new motor and motor bracket to the
opener chassis.
Reverse steps in part 2 to reassemble the opener.
2. Disassemble opener:
Remove the light lens (2a).
Remove the cover (2b).
Remove the logic board and end panel (2c).
Remove the front end panel (2d).
Remove retainer clip (2e), and wire harness (2f)
from the travel module (2g).
Disconnect the capacitor (red and blue wires) (2h)
and the terminal block (white wire) from the motor.
If your garage door opener has a gear case, remove
the top cover by pushing in the tabs on the front and
back of the case.
Remove hardware securing the motor bracket (2i)
to the chassis.
Discard the old motor and bracket assembly.
2a
2e
2h
2i
2f
2g
2a
2b
2c 2d
1/2"
4b
4a
4c
4d
4e
3
Adjustments
Program the Travel
Your garage door opener is designed with electronic controls to
make setup and adjustments easy. The adjustments allow you to
program where the door will stop in the open (UP) and close
(DOWN) position. The electronic controls sense the amount of
force required to open and close the door. The force is adjusted
automatically when you program the travel and cannot be
changed.
The programming buttons are located on the left side panel of the
garage door opener and are used to program the travel.
To prevent damage to vehicles, be sure fully open door
provides adequate clearance.
Setting the UP position:
1. Press and hold the Adjustment Button until the UP Button
begins to flash and/or a beep is heard.
2. Press and hold the UP Button until the door is in the desired
UP position.
NOTE: The UP and DOWN Buttons can be used to move the door
up and down as needed.
3. Once the door is in the desired UP position press and release
the Adjustment Button. The garage door opener lights will flash
twice and the DOWN Button will begin to flash.
Setting the DOWN position:
4. Press and hold the DOWN Button until the door is in the
desired DOWN position.
NOTE: The UP and DOWN Buttons can be used to move the door
up and down as needed.
5. Once the door is in the desired DOWN position press and
release the Adjustment Button. The garage door opener lights
will flash twice and the UP Button will begin to flash.
6. Press and release the UP Button. When the door travels to the
programmed UP position, the DOWN Button will begin to flash.
7. Press and release the DOWN Button. The door will travel to the
programmed DOWN position. Programming is complete.
* If the garage door opener lights are flashing 5 times during the
steps for Program the Travel, the programming has timed out.
If the garage door opener lights are flashing 10 times during
the steps for Program the Travel, the safety reversing sensors
are misaligned or obstructed (refer to owner’s manual). When
the sensors are aligned and unobstructed, cycle the door
through a complete up and down cycle using the remote
control or the UP and DOWN buttons. Programming is
complete. If you are unable to operate the door up and down,
repeat the steps for Programming the Travel.
UP Button
Bouton UP (HAUT)
Botón de UP (ARRIBA)
Adjustment Button
Bouton de Réglage
Botón de Ajuste
DOWN Button
Bouton DOWN (BAS)
Botón de DOWN (ABAJO)
PROGRAMMING BUTTONS
BOUTONS DE PROGRAMMATION
BOTONES DE PROGRAMACIÓN
Without a properly installed safety reversal system, persons
(particularly small children) could be SERIOUSLY INJURED or
KILLED by a closing garage door.
• Incorrect adjustment of garage door travel limits will
interfere with proper operation of safety reversal system.
• After any adjustments are made, the safety reversal system
MUST be tested. Door MUST reverse on contact with 1-1/2"
(3.8 cm) high object (or 2x4 laid flat) on floor.
1 2
3 4
5
7
6

Especificaciones del producto

Marca: Liftmaster
Categoría: No categorizado
Modelo: 041A7767

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