This garage door opener has been designed and tested to offer safe service provided it Is installed, operated,
maintained and tested in strict accordance with the Instructions and warnings contained in this manual.
ák WARNING
Mechanical
A WARNING
Electrical
CAUTION
When you see these Safety Symbols and Signal
Words on the following pages, they will alert you to
the possibility of serious injury or death If you do
not comply with the warnings that accompany them.
The hazard may come from something mechanical
or from electric shock. Read the warnings carefully.
When you see this Signal Word on the following
pages, it will alert you to the possibility of damage to
your garage door and/or the garage door opener if
you do not comply with the cautionary statements
that accompany it. Read them carefully.
Preparing your garage door
Before you begin:
• Disable locks.
• Remove any ropes connected to garage door.
• Complete the following test to make sure your
garage door is balanced and is not sticking or
binding:
1. Lift the door about halfway as shown. Release
the door. If balanced, it should stay In place,
supported entirely by its springs.
2. Raise and lower the door to see if there Is any
binding or sticking.
If your door binds, sticks, or is out of balance, call a
trained door systems technician.
A WARNING
To prevent possiple SERIOUS INJURY OR DEATH:
• ALWAYS call a trained door systems technician if
garage door binds, sticks, or is out of balance. An
unbalanced garage door may not reverse when
required.
• NEVER try to loosen, move or adjust garage door,
door springs, cables, pulleys, brackets or their
hardware, all of which are under EXTREME tension.
• Disable ALL locks and remove ALL ropes connected to
garage door BEFORE installing and operating garage
door opener to avoid entanglement.
CAUTION
To prevent damage to garage door and opener:
• ALWAYS disable locks BEFORE installing and
operating the opener.
• ONLY operate garage door opener at 120V, 60 Hz to
avoid malfunction and damage.
Tools needed
During assembly, Installation and adjustment of the
opener, Instructions will call for hand tools as
illustrated below.
Planning
Identify the type and height of your garage door.
Survey your garage area to see if any of the
conditions beiow appiy to your installation. Additional
materials may be required. You may find it helpful to
refer back to this page and the accompanying
illustrations as you proceed with the installation of
your opener.
Depending on your requirements, there are several
installation steps which may call for materials or
hardware not included in the carton.
• Installation Step 1 - Look at the wall or ceiling
above the garage door. The header bracket must
be securely fastened to structural supports.
• Installation Step 5 - Do you have a finished ceiling
in your garage? If so, a support bracket and
additional fastening hardware may be required.
• Installation Step 10 - Depending upon garage
construction, extension brackets or wood blocks
may be needed to install sensors.
• Installation Step 10 - Alternate floor mounting of
the safety reversing sensor will require hardware
not provided.
Do you have an access door in addition to the
garage door? If not, Model 53702 Outside Quick
Release is required. See Accessories page.
Look at the garage door where it meets the floor.
Any gap between the floor and the bottom of the
door must not exceed 1/4" (6 mm). Otherwise, the
safety reversal system may not work properly. See
Adjustment Step 3. Floor or door should be
repaired.
SECTIONAL DOOR INSTALLATIONS
* Do you have a steel, aluminum, fiberglass or glass
panel door? If so, horizontal and vertical
reinforcement Is required (Installation Step 11).
* The opener should be installed above the center of
the door. If there is a torsion spring or center
bearing plate in the way of the header bracket, it
may be installed within 4 feet (1.2 m) to the left or
right of the door center. See Installation Steps 1
and 11.
* If your door is more than 7 feet (2.1 m) high, see
rail extension kits listed on Accessories page.
Planning (Continued)
ONE-PIECE DOOR INSTALLATIONS
• Generally, a one-piece door does not require
reinforcement. If your door is lightweight, refer to
the information relating to sectional doors in
Installation Step 11.
• Depending on your door’s construction, you may
need additional mounting hardware for the door
bracket (Step 11).
A WARNING
Without a properly working safety reversal system,
persons (particularly small children) could be
SERIOUSLY INJURED or KILLED by a closing garage
door.
• The gap between the bottom of the garage door and
the floor MUST NOT exceed 1/4" (6 mm). Otherwise,
the safety reversal system may not work properly.
• The floor or the garage door MUST be repaired to
eliminate the gap.
Carton Inventory
Your garage door opener is packaged in two cartons
which contain the motor unit and all parts Illustrated
below. Accessories will depend on the model
purchased. If anything is missing, carefully check the
packing material. Parts may be stuck in the foam.
Hardware for assembly and installation is shown on
the next page. Save the carton and packing material
until installation and adjustment is complete.
Three-Function Remote Control
with Visor Clip (2)
Bell Wire attached
Hardware Inventory
Separate all hardware and group as shown below for the assembly and installation procedures.
ASSEMBLY STEP 1
Assemble the Rail and
Attach the Cable Pulley Bracket
To avoid installation difficulties, do not run the
garage door opener until instructed to do so.
1. Align the three rail sections on a flat surface
exactly as shown. Front and back sections are
interchangeable for ease of assembly.
2. Insert the carriage bolts so the
square bolt necks seat in the square
holes in the rail sections and pass
through the round holes in the center
section rail. Make sure bolt necks
are seated in the square holes and
rails are aligned before you tighten
lock nuts. Improper assembly can
cause Jerky trolley operation, noise
and/or nuisance door reversals.
3. Assemble lock nuts, ensure
alignment and tighten.
NOTE: If rail is not assembled exactly as shown,
trolley will not travel smoothly along length of rail
or It will hit against nuts.
4. Position the cable pulley bracket on the front end
of the rail as shown. Fasten securely with the
hardware shown.
NOTE: When tightening the bolts, be sure to keep
bracket parallel to the rail. Otherwise, the rail may
bow when the opener is operated.
RAIL BACK
(TO OPENER)
ASSEMBLY STEP 2
Install the Trolley
• Attach the trolley threaded shaft to the trolley with
the lock washer and nuts as shown.
• As a temporary stop, insert a screwdriver Into the
hole In the front end of the rail.
• Slide the trolley assembly along the rail to the
screwdriver stop.
NOTE: If trolley hits against any nuts on the rail,
the bolts and nuts were attached from the wrong
side and must be repositioned.
Review Assembly Step 1.
Trolley '
Outer Nut
5/16"
Lock Inner Nut
Washer 5/16"
5/16"
ASSEMBLY STEP 3
Attach the Rail to the Motor Unit
To avoid installation difficulties, do not run the
garage door opener until instructed to do so.
• Place the opener on packing material to protect
the cover. For convenience, put a support under
the cable pulley bracket.
• Remove the two washered bolts mounted in top of
motor unit.
• Align the holes in the back section of the rail with
the holes in the motor unit.
• Fasten the rail with the two washered bolts
previously removed. Tighten securely.
Use only these bolts! Use of any other bolts will
cause serious damage to door opener.
• Insert a 5/16"-18x7/8" hex bolt into the cover
protection bolt hole in the rail as shown. Tighten
securely with a 5/16" lock washer and nut.
NOTE: This bolt prevents trolley over-travel. Keep a
2" (5 mm) minimum between the trolley and this bolt
when adjusting travel limits (see page 27).
Lock Washer
5/16"
Nut
5/16"-18
CAUTION
To avoid SERIOUS damage to opener, ONLY use
bolts/fasteners mounted in top of motor unit.
ASSEMBLY STEP 4
Install the Chain/Cable
and Attach the Sprocket Cover
INSTALLING THE CHAIN/CABLE
1. Pull the cable loop from the
carton and fasten It to the
trolley with a master link from
the hardware bag (Figure 1).
• Push pins of master link bar
through cable loop and hole
in front end of trolley.
Keep Chain and Cable
Taut When Dispensing
• Push master link cap over
pins and past pin notches.
• Slide clip-on spring over cap and onto pin
notches until both pins are securely locked in
place.
2. With the trolley against the screwdriver, dispense
the cable around the pulley.
3. Continue along the rail and around the motor unit
sprocket (Figure 2). The sprocket teeth must
engage the chain. Continue forward to the trolley
threaded shaft.
4. Use the second master link to connect the chain to
the flat end of the shaft (Figure 1). Check to make
sure the chain is not twisted.
5. Remove the screwdriver.
Leave Chain &
Cable Inside
Dispensing
Carton to
^ Prevent Kinking
ik WARNING
To avoid possible SERIOUS INJURY to fingers from
moving garage door opener:
• ALWAYS keep hand clear of sprocket while operating
opener.
• Securely attach sprocket cover BEFORE operating.
Flat end
Master
Link Bar
Master Link
Clip-On Spring
Maste
Link Cap ;
Chain
Pin Notch
Pin
Figure 1
Master Link
Clip-On Spring of j|.o||gy ■
,, . \ I i Threaded Shaft
Master '
Link Cap Vf
Cable
Loop
INSTALL CHAIN & CABLE
IN THIS DIRECTION
ATTACHING THE SPROCKET COVER
Insert the back tab in the slot on the back of the
mounting plate. Squeeze the cover slightly and insert
the front tab (Figure 3).
Figure 3
Sprocket
Cover
Figure 2
Motor Unit
Sprocket
10
ASSEMBLY STEP 5
Tighten the Chain and Cabie
• Spin the inner nut and lock washer down the
threaded shaft, away from the trolley.
• To tighten the chain, turn outer nut in the direction
shown. As you turn the nut, keep the chain
from twisting.
• When the chain is approximately 1/2" (13 mm)
above the base of the rail at its midpoint, re-tighten
the inner nut to secure the adjustment.
Sprocket noise can result if chain is either too
loose or too tight.
When installation is complete, you may notice some
chain droop with the door closed. This is normal. If
the chain returns to the position shown when the
door is open, do not re-adjust the chain.
NOTE: During future maintenance, ALWAYS pull the
emergency release handle to disconnect troliey
before adjusting chain.
You have now finished assembling your garage
door opener. Please read the following warnings
before proceeding to the installation section.
Outer Nut Washer Inner Nut
Base of Rail
Lock
Chain
-1/2‘ (13 mm)
INSTALLATION
IMPORTANT INSTALLATION INSTRUCTIONS
A WARNING
To reduce the risk of severe Injury or death:
1. READ AND FOLLOW ALL INSTALLATION WARNINGS
AND INSTRUCTIONS.
2. Install garage door opener only on properly balanced
and lubricated garage door. An improperly balanced
door may not reverse when required and could result in
SEVERE INJURY or DEATH.
3. All repairs to cables, spring assemblies and other
hardware MUST be made by a trained door systems
technician BEFORE installing opener.
4. Disable all locks and remove all ropes connected to
garage door BEFORE installing opener to avoid
entanglement.
5. Install garage door opener 7 feet (2.1 m) or more
above floor.
6. Mount emergency release handle 6 feet (1.8 m) above
floor.
7. NEVER connect garage door opener to power source
until instructed to do so.
8. NEVER wear watches, rings or loose clothing while
installing or servicing opener. They could be caught in
garage door or opener mechanisms.
9. Install wall-mounted garage door control:
• within sight of the garage door
• out of reach of children at minimum height of 5 feet
(1.5 m)
• away from all moving parts of the door.
Place entrapment warning label on wall next to garage
10
door control.
11. Place manual release/safety reverse test label in plain
view on inside of garage door.
Upon completion of installation, test safety reversal
12
system. Door MUST reverse on contact with a
1-1/2" (3.8 cm) high object (or a 2x4 laid flat) on the
floor.
11
INSTALLATION STEP 1
Determine the Header Bracket
Location
ik WARNING
To prewot possible SERIOUS INJURY or DEATH:
• Header bracket MUST be RIGIDLY fastened to
structural support on header wall or ceiling, otherwise
parage door might not reverse when required. DO NOT
install header bracket over drywall.
• Concrete anchors MUST be used if mounting header
bracket or 2x4 into masonry.
• NEVER try to loosen, move or adjust garage door,
springs, cables, pulleys, brackets, or their hardware,
ail of which are under EXTREME tension.
• ALWAYS call a trained door systems technician if
garage door binds, sticks, or is out of balance. An
unbalanced garage door might not reverse when
required.
Installation procedures vary according to garage door
types. Follow the instructions which apply to your
door.
1. Close the door and mark the inside vertical
centerline of the garage door.
2. Extend the line onto the header wall above the
door.
You can fasten the header bracket within 4 feet
(1.22 m) of the ieft or right of the door center
only if a torsion spring or center bearing plate
is in the way; or you can attach it to the ceiling
(see page 13) when clearance is minimal. (It
may be mounted on the wall upside down if
necessary, to gain approximately 1/2" (13 mm).
If you need to install the header bracket on a 2x4
(on wall or ceiling), use lag screws (not provided)
to securely fasten the 2x4 to structural supports as
shown here and on page 13.
3. Open your door to the highest point of travel as
shown. Draw an intersecting horizontal line on the
header wall above the high point:
• 2" (5 cm) above the high point for sectional door
and one-piece door with track.
• 8" (20 cm) above the high point for one-piece
door without track.
This height will provide travel clearance for the top
edge of the door.
NOTE: If the total number of inches exceeds the
height available in your garage, use the maximum
height possible, or refer to page 13 for ceiling
installation.
Highest Point
of Travel
- Door
Sectional door with curved track
Unfinished
Ceiling
One-piece door with horizontal track
One-piece door without track:
jamb hardware
12
One-piece door without track:
pivot hardware
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