Caution:
Read and follow all
safety rules and
operating instructions
before first use of this
product.
Fasten the manual
near the garage door
after installation.
GARAGE DOOR OPENER
1/2 HP
@ Safety Precautions
и Assembly
Ш Installation
a Adjustment
a Care and Maintenance
m Operation
m Troubleshoc^tji^^'i;
H Parts List
Complies wilii UL 325 /^1 li \
refiiiations effective I )
Januaiy 1, t993
Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.
Contents
A review of safety alert symbols
Youll need tools
Safety information reqardinq qaraqa door
locks and ropes
Testing your garage door for sticking,
binding and balance
Illustration of sectional door instailadQn ....
Illustration of one-piece door installation...
Carton inventory...................
Hardware inventory.....................
Assembly section - pages 8 -11
Assemble T-raiL...
Attach cable pulley bracket............
Install trolley
Fasten T-rai! to opener...................
install chain/cabie
Attach sprocket cover.,,.,.
Tighten the chain and cable
Installation section * pages 11-27
Installation safety instructions..__....
Determine header bracket location
Sectional door ...........,
One-piece door,.,..
Install the header bracket
Attach the T-ral to header bracket
Position the opener
Hang the opener............................
Install the door control
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Page
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___4
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......7
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...10
™10
,..11
,...11
....12
.13
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14
......15
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16
......17
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.18
3
.6
9
Corrients
.
___ig
„..,...19
.......
.....
.
,.22,23
........24
.
......
........26
„„....27
........28
.
......29
........
....... .^10
........31
____
.
........
.„.„..32
____
..34,35
........36
........37
.„....,39
........
........40
Install the lights and lenses...,..............
Attach emergency release rope and handle „
F*lcu'''ÍTir't3i f'oni ti rs3mí3rsic
t«№lvtrwUi « Bv.|wl E iB I ItiO • >11^ nn-. Kirn*, ,no»FT,r'.Vr<t ■'|‘I T , f ,
Safety reversing sensor information
Install the safety reversing sensor
i—iscrtcsn í*ír*i/^í*
i cUaLcíi i UwvJi Ul i-cil tiJwVJi I
Fasten door bracket (one-piece door)
Connect door arm to trolley (sectional door)
Connect door arm to trolley (one-piece door).
When you see^this sSf^^Symb^l-On the following pages, it will alert you to the possibility of damage
■dxLygur garage'3o”0T anti/oli the garage tioor opener if you do not comply with the corresponding
instriiction'SrHead.ifte^msfruc|/OTdcarefui/^^
This garage door opener is designed and tested to offer safe service provided it is installed, operated,
maintained and tested in strict accordance with the safety instructions contained in this manual.
Electrical
You'll Need Tools
During assembiy, instaliation and adjustment of the opener, instructions wili cail for hand ioois shnwrs below.
An unbalanced garage door might not reverse
when required and someone under the door
could be seriously injured or killed.
If your garage door binds, sticks or is out of
balance, caii for professionai garage door
service. Garage doors, door springs, cables,
pulleys, brackets and their hardware are under
extreme tension and can cause serious injury
or death. Do not try to ioosen, move or adjust
them yourself!
Bopes left on a garage door could cause
someone to become entangled and killed.
Remove ail ropes connected to the door before
installing and operating the opener.
Identify the type and height of your door and any
special conditions that exist and any additional
materials that may be required by referring to the lists
on page 4 or page 6.
To avoid damage to the garage door and
opener, disable locks before Installing and
operating the opener. Use a wood screwr or nail
to hold locks in the "open" (unlocked)
position.
Operation at other than 120V 60 Hz will cause
opener malfunction and damage.
Before you begin, complete the following test to
make sure your door is balanced, and is not
sticking or binding:
• Lift the door about halfway as shown. Release the
door, it should stay in place, supported entirely by
its springs.
• Raise and lower the door to see if there is any
binding or sticking. •
Before you begin, survey your garaoe area to
see whether any of the conditions fallow apply
to your installation.
^ Hofizofita] and vafiicsii reintotcameni
is needed for fighiweigW garage doors
¡fibergiass, stesi, aluminum, door
wtBi glass panels, etc.).
See page 24 for details.
Based on your particular requirements, there are
sever^ installation steps which might call for
materiaJs and/or hardware not included in the carton
* Step 1, page 12 - Look at the wail or ceiling above
the garage door. The header bracket must be
securely fastened to structural supports.
■ Step 5, page 17 ~ Do you have a finished ceiling in
your garage? It so, a support bracket and
additionai fastening hardware may be required.
‘ Safety reversing sensor, page 21 - Depending
upon garage construction, wood blocks may need
to be fastened to mounting locations before
sensors are Installed.
' Step 10, page 22 - Alternate floor mounting of the
safety reversing sensor will require hardware not
provided.
■ Step 11, page 24 - Do you have a steel, aiuminum,
fiberglass or glass pane! door? If so, horizontal
and vertical reinforcement is required.
* Look at the garage door where it meets the floor.
It must close on the floor ail the way across.
Otherwise, the safety reverse system may not
work properly. See page 30. Roor or door should
be repaired.
Hsadsf
Willi
Garage -
Door
* TTie opener can be fnstalied within 2 feet to the left
or right of the door center if there is a torsion spring
or center bearing plate In the way of the header
bracket or door bracket area. If your door has
extension springs, the opener must be installed
in the center of the door. See pages 12 and 24.
> Do you have an access door in addition to the
garage door? if not. Mode! 53702 Emerqencv
Key Release is required. See page 38.
■ if your door is more than 7 feet high, see the raíl
extension kits listed on page 38,
You may find it helpful to refer back to this page as you proceed with the installation of your opener.
Be'fore you begin, survey your garage area to
see whether any of the conditions below apply
to your installation.
One-Piece Door without Track
'Esp between Hoor and boBom Sensor
Safely of door must not eiOeed 1 /4*.,
Reversing Sensor
Based on your particuiar requirements, there are
several installation steps which might caJl for
materials and/or hardware not included in the carton.,
• Step 1, page 13 - Look at the wall or ceiling above
the garage door. The header bracket hicsf be
securely fastened to struciuial supports,
• Step 5, page 17 - Do you have a finished ceiling in
your garage? If so, a support bracket arrd
additional fastening hardware (not supplied) may
be required.
• Safety reversing sensor, page 21 - Depending on
garage constmction, wood blocks may need to be
securely fastened to mounting locations before
sensors are installed.
• Step 10, page 22 - Alternate floor mounting of the
safety reversing sensor will require hardware that
is not provided.
• Step 11, page 25 - Generally, a one-piece door
does not require reinforcement. If your door is
lightweight, you can refer to the information
relating to sectional doors on page 24.
• Step 11, page 25 - Depending on your door's
constmctlon, you might need additional mounting
hardware for the door bracket.
• Do you have an access door in addition to the
garage door? If not, Model 53702 Emergency Key
Release is required. See page 38.
• The gap between the bottom of the garage
door and the floor cannot exceed 1/4".
Otherwise, the safety reverse system may not
work properly. See page 30. The floor or the door
should be repaired.
Reverang
Closed Position
Headar — w PuHey Brackai
Gabte
Cable
Gbain
Was
You may find it helpful to refer back to this page
as you proceed with the installation of your
opener.
Carton Inventory
Your garage door opener is packaged in two cartons which contain aii parts illustiated below. If anything is
missing, carefully check the packing material. Parts may be ‘stuck* in the foam. Hardware for assembly and
installation is shown on page 7,
Separate all hardware from the packages in the rail carton and the opener carton, as
shown below, for the assembly and installation procedures.
Assembly Section: Pages 8-11
To avoid installation difficulties, do not run the garage door opener until Instructed to do so.
Assembly Step 1
Assemble the T-rail &
Attach the Cable Pulley Bracket
* Place the 3 T-rail sections on a flat surface for
assembly. The end sections are idenficai. Make
sure the "arrow label" on the center section is
pointing toward the door.
• Insert the carriage bolts so the square boit necks
seat in the square holes in the T-rafI end sections
and pass through the round holes in T-rafi center
section. Assemble lock nuts, ensure alignment and
tighten.
If T-raii is not assembled
EXACTLY as shown,
trolley Will not travel
smoothly along length of
rail or It will hit against
the nuts.
Make sure bait necks are
seated In the square
holes and rails are
aligned before you
tighten lock nuts. (See
right and wrong views).
Improper assembly can
E^use jerky troJIey
► Position the rable pulley bracket on the tont end of the
T-rail as shown. Fasten securely with the hardware.
When
tightening the
screws, be
sure to keep
bracket parallel
to the rail.
Otherwise, the
rail may bow
Right
Wrong
when opener is
opsrstsd.
Assembly Step 3
Fasten the T-rail to the Opener
• Place the opener on packing material to protect
the cover. For convenience, put a support under
the cable pulley bracket
• Remove the (2) 5/16"-18x1/2* washered screws
mounted in the top of the opener.
• Align the holes in the back section of the T-raii with
the holes in the opener,
• Fasten the rati with the (2) washered screws
previously removed, tighten securely.
Ftemember to use only these screws! Any other
screws will cause serious damage to the opener.
• Insert a S/16“-18x7/8* hex screw into the cover
protection bolt hole in the T-rail as shown. Tighten
securely with a 5/16" lock washer and nut
NOTE: This screw prevents trolley over-travel.
Keep a 2“ minimum between the trolley and this
screw when adjusting travel limits {see page 28).
Hardware Shown Actual Size
To fasten rail, use only those screws mounted
in the top of the opener. Any other screws will
cause serious damage to the opener.
Washered Screw
S/IS’-iaxt/r
Hex Screw
5/16*-1Sx7/B'
Cover
Protecijon
Bolt Hole
T-raB
{Sack Section)
Nut
S/16*-18
Hex Screw
S/)6'-iax7/8*
Lock Washer
S/16*
Assembly Step 4
install the Chain/Cable &
Attach the Sprocket Cover
Dispensing Carton
Leava Chain and Cable
inside OispensETsg
Carton to Prevail Kjnidng.
Keep Chain and Cabla
Tay| When Dispensing
• Detach the cable loop from the carton and fasten It
to the trolley with a master link from the hardware
bag. See master link procedure, Rgure 1.
• yyith the trolley against the screwdriver, dispense
the cable around the pulley.
® Proceed back around the opener sprocket,
Rgure 2, Be sure sprocket teeth engage the chain.
Continue forwant to the trolley threaded shaft,
Rgure 3.
• Use the second master link to connect the
chain to the flat end of the shaft Check
to make sure the chain is not
twisted.
" Remove the screwdriver.
DipOn Spring
Master Unk
Serious Infury can resuit If fingers become
entangled in moving opener sprocket. Attach
sprocket cover securely. Never operate opener
while your hand Is near the opener sprocket.
Opener
Figure
Spfodtat
Figure 3
MasierUnic
Ciip-On Spring
Frani Tab Slot
Instait Cha'n teid Cabla
in This Direction
Sprocket
Cover
Back Tab Slot
Top of Qpenar
Master Link Procedure;
Push pifis of raasier link bar
through cable loop and ho!e in
front end of troiley. Posh rap
over pins and past notchesSlide clip-on spring over cap
and into notches until both
pins are securely tocked.
To attach the sprocket cover:
• Insert the back tab in the opener slot. Squeeze the
cover slightly and insert the front tab in the slot on
the mounting plate.
10
Assembly Step 5
Tighten the Chain & Cable
* Spin the inner ntft and lock washer down the
threaded shaft, away from the troiley.
* 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' above the
base of the T-raii at its midpoint, re-tighien the
inner nut to secure the adjustment
Sprocket noise can result if chain Is either too
loose or too tight
When instaJlation 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 notre-adjust the chain.
NOTE: During future maintenance, ALWAYS
pull the emergency release handle to disconnect
trolley before adjusting chain.
Otrte/ Nut Wa^fier
~i ГТ T t I
Lock
Chain
ia Inch
i
O* I "TBlf
You have now finished assembling your garage door opener. Please read the following
warnings before proceeding to the installation section;
IMPORTANT INSTALLATION INSTRUCTIONS
> “ , ■ у #c\
/V
WARNING
To reduce the risk of severe injury or death to persons:
1. READ AND FOLLOW ALL INSTALLATiON INSTRUCTIONS.
2. install only on a properly balanced and lubricated garage door. An improperly balanced door
may not reverse and could result in severe injury or death. Repairs to cables, spring assemblies
and other hardware must be made by a professional service person before installing opener.
3. Disable all locks and remove all ropes connected to the garage door before installing the opener.
Ropes connected to a garage door can cause entanglement and death.
4. If possible, install door opener 7 feet or more above floor with the emergency release handle
mounted 6 feet above the floor.
5. Do not connect the opener to power source until instructed to do so,
6. Locate the Door Control within sight of the door at a minimum height of 5 feet where small
children cannot reach, and away from ail moving parts of the door,
7. Install the User Safety Instruction Label on the wall adjacent to the door control and the
Maintenance Instruction Label in a prominent location on the inside of the garage door.
8. Upon completion of the installation, the door must reverse when it comes in contact with a
one-inch high object or a 2x4 laid flat on the floor.
9. Do not wear watches, rings or loose clothing while installing or servicing an opener. Jewelry or
loose clothing can be caught in the mechanism of the garage door or the opener.
11
Installation Section: Pages 12 - 27
Installation Step 1
Determine HeBder Bracket LocBtion
Installation procedures vary according to
garage door types. Follow the instructions
which apply to your door.
If the header bracket is not rigidly fastened to
a structural support on the header wall or
ceiling, the safety reverse system may not
work properly (see page 30). The door might
not reverse when required, end could cause
serious injury or death.
The garage door springs, cables, pulleys,
brackets and their hardware are under extreme
tension. Do not attempt to loosen, move or
adjust them yourself. Serious personal Injury
or death could result. Cal! for professional
garage door service.
* Close the door and mark the inside
vertical centerline of the garage door.
• Extend the line onto the header wail
above the door.
Remember, you can fasten the
header bracket within 2 feet of the
left 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 (refer to page 14)
when clearance is minimal- (It may
be mounted on the wall upside down
If necessary, to gain approximately
1/2".)
If you need to install the header bracket
on a 2x4 (an wall or ceiling), use lag
screws (not supplied) to securely fasten
•the 2x4 to structural supports as shown
here and on page 13.
• Open your door to the highest
point of travel as shown. Draw
an intersecting horizontal line
on the header wall 2" above
the high point This height will
provide travel clearance for the
top edge of the door.
Door clearance brackets are
available for sectional doors
when headroom clearance is
less than 2* *. See accessory
page 38.
Proceed to Step 2, page 14.
Door ■
Ceffing
Header
-Wall
-2* Track
Higliesi Pdnt
of Travel
Sectional door
with curved track
12
One-piece door
with horizontal track
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