Craftsman 139.53975SRT1 User manual

®
1/2 HP
GARAGE DOOR OPENER
ABRIDOR DE PUERTA DE COCHERA
For Residential Use Only/ ólo para uso residencial
Models/Modelos • 139.53975 RT1 • 139.53962 RT1
®
ears, Roebuck and Co., Hoffman Estates, IL 60179 U. .A
www.sears.com/craftsman
Read and follow all safety rules
and operating instructions before
first use of this product.
Fasten the manual near the garage
door after installation.
Periodic checks of the opener are
required to ensure safe operation.
Leer y seguir todas las reglas de
seguridad y las instrucciones de
operación antes de usar este
producto por primera vez.
Guardar este manual cerca de la
puerta de la cochera.
e deben realizar revisiones
periódicas del abridor de puertas
para asegurar su operación
segura.
Owner’s Manual/Manual Del Propietario
ENGLISH ESPAÑOL

2
Introduction 2-7
Safet s mbol and signal word review........................2
Preparing our garage door ........................................3
Tools needed...............................................................3
Planning ..................................................................4-5
Carton inventor ..........................................................6
Hardware inventor .....................................................7
Assembly 8-11
Assemble the rail and install trolle .............................8
Fasten rail to motor unit and install idler pulle ..........9
Install chain/cable and attach sprocket cover ...........10
Tighten the chain .......................................................11
Installation 11-27
Installation safet instructions....................................11
Determine the header bracket location................12-13
Install the header bracket..........................................14
Attach the rail to the header bracket.........................15
Position the opener ...................................................16
Hang the opener .......................................................17
Install the door control...............................................18
Install the lights and lens...........................................19
Attach the emergenc release rope and handle .......19
Electrical requirements..............................................20
Install the safet reversing sensor .......................21-23
Fasten the door bracket .......................................24-25
Connect the door arm to the trolle .....................26-27
Adjustment 28-30
Adjust the travel limits ...............................................28
Adjust the force .........................................................29
Test the safet reversal s stem.................................30
Test the safet reversing sensor ...............................30
Operation 31-34
Operation safet instructions.....................................31
Using our garage door opener ................................31
Using the wall-mounted Door Control .......................32
To open the door manuall ........................................32
Care of our garage door opener..............................33
Having a problem? ....................................................34
Programming 35-36
To add a hand-held remote control ...........................35
To erase all codes .....................................................35
3-Function Remotes..................................................35
To add or change a Ke less Entr PIN.....................36
Repair Parts 37-38
Rail assembl parts...................................................37
Installation parts ........................................................37
Motor unit assembl parts .........................................38
Accessories 39
Warranty 39
Service Numbers Back cover
TABLE OF CONTENTS
When ou see these Safet S mbols and Signal
Words on the following pages, the will alert ou to
the possibilit of serious injury or death if ou do
not compl with the warnings that accompan them.
The hazard ma come from something mechanical
or from electric shock. Read the warnings carefull .
When ou see this Signal Word on the following
pages, it will alert ou to the possibilit of damage to
our garage door and/or the garage door opener if
ou do not compl with the cautionar statements
that accompan it. Read them carefull .
Mechanical
Electrical
WARNING
CAUTION WARNING
WARNING
WARNING
CAUTION WARNING
WARNING
WARNING
CAUTION
WARNING
WARNING
INTRODUCTION
Safety Symbol
and Signal Word Review
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.

3
Pliers
Wire Cutters
Claw Hammer
Hack Saw
Screwdriver
Adjustable End WrenchLocking pliers
1/2", 7/16" and
1/4" Sockets and Wrench
Drill
Tape Measure
2
1
Stepladder
Pencil
3/16", 5/16" and
5/32" Drill Bits
Carpenter's
Level
Preparing your garage door
Before ou begin:
• Disable locks.
• Remove an ropes connected to garage door.
•Complete the following test to make sure our
garage door is balanced and is not sticking or
binding:
1. Lift the door about halfwa as shown. Release
the door. If balanced, it should sta in place
supported entirel b its springs.
2. Raise and lower the door to see if there is an
binding or sticking.
If our door binds, sticks, or is out of balance, call
a trained door s stems technician.
Tools needed
During assembl , installation and adjustment of the
opener, instructions will call for hand tools as
illustrated below.
ectional Door
One-Piece Door
To prevent damage to garage door and opener:
• ALWAYS disable locks BEFORE installing and operating
t e opener.
• ONLY operate garage door opener at 120V, 60 Hz to
avoid malfunction and damage.
To prevent possible SERIOUS INJURY OR DEATH:
• ALWAYS call a trained door systems tec nician if
garage door binds, sticks, or is out of balance. An
unbalanced garage door may not reverse w en
required.
• NEVER try to loosen, move or adjust garage door, door
springs, cables, pulleys, brackets or t eir ardware, all
of w ic 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.
WARNING
CAUTION WARNING
WARNING
WARNING
CAUTION
WARNING
WARNING

Safet Reversing Sensor
Door
Center
Header Wall
Access Door
— — — — — — — —
Safet
Reversing
Sensor
Gap between floor
and bottom of door
must not exceed 1/4".
Extension Spring
Horizontal and vertical reinforcement
is needed for lightweight garage doors
(fiberglass, steel, aluminum, door with
glass panels, etc.). See page 24 for details.
Support bracket &
fastening hardware
is required.
See page 17.
FINISHED CEILING
Motor unit
Rail
Wall-
mounted
Door
Control
OR
Torsion Spring
Slack in chain tension
is normal when
garage door is closed.
4
ECTIONAL DOOR IN TALLATION
Planning
Identif the t pe and height of our garage door.
Surve our garage area to see if an of the
conditions below appl to our installation. Additional
materials ma be required. You ma find it helpful to
refer back to this page and the accompan ing
illustrations as ou proceed with the installation of
our opener.
Depending on our requirements, there are several
installation steps which ma 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 securel fastened to structural supports.
• Installation Step 5 – Do ou have a finished ceiling
in our garage? If so, a support bracket and
additional fastening hardware ma be required.
• Installation Step 10 – Depending upon garage
construction, extension brackets or wood blocks
ma be needed to install sensors.
• Installation Step 10 – Alternate floor mounting of
the safet reversing sensor will require hardware
not provided.
• Do ou have an access door in addition to the
garage door? If not, Model 53702 Emergenc Ke
Release is required. See Accessories page.
• Look at the garage door where it meets the floor.
An gap between the floor and the bottom of the
door must not exceed 1/4". Otherwise, the safet
reversal s stem ma not work properl . See
Adjustment Step 3. Floor or door should be
repaired.
ECTIONAL DOOR IN TALLATION
• Do ou have a steel, aluminum, fiberglass or glass
panel door? If so, horizontal and vertical reinforce-
ment 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 wa of the header bracket, it
ma be installed within 4 feet to the left or right of
the door center. See Installation Steps 1 and 11.
• If our door is more than 7 feet high, see rail
extension kits listed on Accessories page.
Trolle
Header
Wall
Garage
Door
Header
Bracket
Straight
Door
Arm
Emergenc
Release
Rope & Handle
Door
Bracket
Curved
Door
Arm
Garage
Door
Spring Chain
Trolle
Stop Bolt
CLO ED PO ITION

5
Access
Door
Floor must be level
across width of door
Safet
Reversing Sensor
Safet
Reversing
Sensor
Door
Bracket Straight
Door
Arm
Garage
Door
CLO ED PO ITION
Header
Bracket
Curved
Door Arm
Chain
Emergenc
Release
Rope &
Handle
Cable
Header
Wall
Rail
Trolle Stop Bolt
Planning (continued)
ONE-PIECE DOOR IN TALLATION
• Generall , a one-piece door does not require
reinforcement. If our door is lightweight, refer to
the information relating to sectional doors in
Installation Step 11.
• Depending on our door’s construction, ou ma
need additional mounting hardware for the door
bracket (Step 11).
Safet Reversing Sensor
Access
Door
FINISHED CEILING
Support bracket
& fastening
hardware is required.
See page 17.
Safet Reversing
Sensor
Header Wall
Gap between floor
and bottom of door must not exceed 1/4".
Motor unit
Wall-mounted
Door Control
Rail
Slack in chain tension
is normal when
garage door is closed.
ONE-PIECE DOOR WITHOUT TRACK
Header
Bracket
Trolle
Straight
Door
Arm
Emergenc
Release
Rope & Handle
Door Bracket
Curved
Door
Arm
Header
Wall
Cable
Rail
Garage Door
Trolle Stop Bolt
CLO ED PO ITION
ONE-PIECE DOOR WITH TRACK
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 /4". Otherwise, the safety
reversal system may not work properly.
• The floor or the garage door MUST be repaired to
eliminate the gap.
WARNING
CAUTION WARNING
WARNING

6
Straight Door
Arm Section
Curved Door
Arm Section
Safet Labels
and
Literature
2-Conductor Bell Wire
White & White/Red
Chain
Idler Pulle
Chain and Cable
Sprocket Cover
Hanging Brackets
Light Lens (2)
(2) Safet Reversing Sensors
(1 Sending E e and 1 Receiving E e)
with 2-Conductor White & White/Black
Bell Wire attached
Door Bracket
SECURITY✚ Three-Function
Remote Control with Visor Clip
SECURITY✚
Ke less Entr
Trolle
Safet Sensor
Bracket (2)
Rail
Center/Back
Sections
U Bracket
Rail
Front (header)
Section
LOCK
LIGHT
Models 53975, 53962 Models 53975, 53962 (2)
Premium Control Console
Model 53975
Header Bracket
Your garage door opener is packaged in two cartons
which contains the motor unit and the parts illustrated
below. Note that accessories will depend on the
model purchased. If an thing is missing, carefull
check the packing material. Parts ma be stuck in the
foam. Hardware for assembl and installation is
shown on the next page. Save the carton and
packing material until installation and adjustment is
complete.
Carton Inventory

Hardware Inventory
Separate all hardware and group as shown below for the assembl and installation procedures.
7
Master
Link (2) Idler Bolt (1)
Nut
3/8" (1)
Trolle Threaded Shaft (1)
Bolt 1/4"-20 x 1-3/4" (2)
Lock Washer
3/8" (1)
Chain Spreader (2) Lock Nut
1/4"-20 (2)
Spacer (2)
Wing Nut
1/4"-20 (2)
Carriage Bolt
1/4"-20x1/2" (2)
NOTICE
Handle
Nut 5/16"-18 (8)
Ring
Fastener (3)
Insulated
Staples (30)
Dr Wall Anchors (2)
Clevis Pin
5/16"x1" (1)
Rope
Carriage Bolt
5/16"-18x2-1/2" (2)
Lock Washer 5/16" (7)
Lag Screw
5/16"-9x1-5/8" (2)
Hex Screw
5/16"-18x7/8" (4)
Clevis Pin
5/16"x1-1/4" (1)
Lag Screw
5/16"-18x1-7/8" (2)
Screw
6ABx1-1/4" (2) Screw 6-32x1" (2)
Clevis Pin
5/16"x1-1/2" (1)
A EMBLY HARDWARE
IN TALLATION HARDWARE

8
ASSEMBLY STEP 1
Assemble the Rail & Install the Trolley
To avoid installation difficulties, do not run the
garage door opener until instructed to do so.
Front Rail
(TO DOOR)
Window
Cut-Out
Locking Pliers
Idler
Pulle
Hole
8" Distance from
Idler Pulle Hole
Tabs
Back Rails
(TO MOTOR UNIT)
Trolle
Tapered
End
Tapered
End
Inner Trolle
Wear Pads
Outer Trolle
The front rail has a cut out “window” at the door end
(see illustration). The hole above this window is
larger on the top of the rail than on the bottom. A
smaller hole 3-1/2" awa is close to the rail edge.
Rotate the back rail so it has a similar hole close to
the opposite edge, about 4-3/4" from the far end. A
3-piece rail uses two back rails.
1. Remove the straight door arm and clevis pin
packaged inside the front rail and set aside for
Installation Step 12.
2. Align the rail sections on a flat surface exactl as
shown and slide the tapered ends into the larger
ones. Tabs along the side will lock into place.
3. Place the motor unit on packing material to protect
the cover, and rest the back end of the rail on top.
For convenience, put a support under the front
end of the rail.
4. As a temporar trolle stop, clamp a locking pliers
onto the rail, 8" from the center of the idler pulle
hole, as shown.
5. Check to be sure there are 4 plastic wear pads
inside the inner trolle . If the became loose
during shipping, check all packing material. Snap
them back into position as shown.
6. Connect the inner and outer trolle s as shown.
7. Slide the trolle assembl along the rail from the
back end to the locked pliers.
KEEP LARGER
HOLE ON TOP
FRONT RAIL
(TOP)
KEEP SMALL HOLES
ALONG OPPOSITE EDGE
OF RAILS
BACK RAIL
(TOP)
To prevent INJURY from pinching, keep hands and
fingers away from the joints while assembling the rail.
WARNING
CAUTION
WARNING
WARNING

9
Lock Nut
1/4"-20
Bolt 1/4"-20 x 1-3/4
HARDWARE HOWN ACTUAL IZE
ASSEMBLY STEP 2
Fasten the Rail to the Motor Unit
• Insert a 1/4"-20x1-3/4 bolt into the cover protection
bolt hole on the back end of the rail as shown.
Tighten securel with a 1/4"-20 lock nut.
• Remove the two screws from the top of the motor
unit.
• Attach spreaders to the U bracket b snapping
them into place.
• Place the U bracket, flat side down, on the motor
unit and align the bracket holes with the screw
holes. Fasten with the previousl removed screws.
• Align the rail assembl with the top of the motor
unit. Slide the rail end onto the U-bracket, all the
wa to the stops that protrude on the top and sides
of the bracket.
Motor Unit
Sprocket
"U" Bracket
Screws
Lock Nut
Hook Spreader
into Back Slots,
then Snap Tab
Into Front Slot
SLIDE RAIL TO STOPS
ON TOP AND SIDES
OF BRACKET
Cover
Protection
Bolt Hole
Bolt
To avoid serious damage to garage door opener, use
only those screws mounted in the top of the opener.
WARNING
CAUTION
WARNING
WARNING
Nut 3/8" Lock Washer 3/8"
Idler Bolt Lock Nut 1/4"-20
Bolt 1/4"-20 x 1-3/4
Idler
Pulle
Grease
Inside Pulle
3/8" Lock
Washer
3/8" Nut
Cable Loop
Idler
Bolt
Locking Pliers
Trolle
Stop Hole
Chain and
Cable Pulle Rail
Bolt
Nut
Washer
Trolle
Idler Pulle
Trolle
Stop Hole
Bolt
ASSEMBLY STEP 3
Install the Idler Pulley
• La the chain/cable beside the rail, as shown.
Grasp the end with the cable loop and pass
approximatel 12" of cable through the window.
Allow it to hang until Assembl Step 5.
• Remove the tape from the idler pulle . The inside
center should be pre-greased. If dr , regrease to
ensure proper operation.
• Place the idler pulle into the window as shown.
• Insert the idler bolt from the top through the rail
and pulle . Tighten with a 3/8" lock washer and nut
underneath the rail until the lock washer is
compressed.
• Rotate the pulle to be sure it spins freel .
• Insert a 1/4"-20x1-3/4 bolt into the trolle stop hole
in the front of the rail as shown. Tighten securel
with a 1/4"-20 lock nut.
HARDWARE HOWN ACTUAL IZE

ASSEMBLY STEP 4
Install the Chain/Cable
and Attach the Sprocket Cover
1. Pull the cable around the idler pulle and toward
the trolle .
2. Connect the cable loop to the retaining slot on the
trolle , as shown:
• From below, push pins of master link bar up
through cable loop and trolle slot.
• Push master link cap over pins and past pin
notches.
• Slide clip-on spring over cap and onto pin
notches until both pins are securel locked in
place.
3. With the trolle against the pliers, dispense the
remainder of the cable/chain along the rail toward
the motor unit and around the sprocket. The
sprocket teeth must engage the chain.
4. Check to make sure the chain is not twisted, then
connect it to the threaded shaft with the
remaining master link.
5. Thread the inner nut and lock washer onto the the
trolle shaft.
6. Insert the trolle threaded shaft through the hole
in the trolle . Be sure the chain is not twisted.
7. Loosel thread the outer nut onto the trolle shaft.
8. Remove the locking pliers.
9. Align the tabs on the sprocket cover with the slots
in the mounting plate. Squeeze cover and insert
tabs in slots.
10
Idler
Pulle Slotted
Hole
Round
Hole
Master Link
Clip-On Spring Master
Link Cap
Trolle
Threaded
Shaft
Master
Link Bar
Cable
Loop
Cable
Pin
Notch
Master Link
Clip-On Spring
Master
Link Cap
Master
Link Bar
Motor Unit
Sprocket
Sprocket
Cover
Front
Tab Slot
Mounting
Plate
Back
Tab Slot
Leave Chain and Cable
Inside Dispensing
Carton to Prevent Kinking.
Dispensing Carton
Keep Chain and Cable
Taut When Dispensing
To avoid possible SERIOUS INJURY to fingers from
moving garage door opener:
• ALWAYS keep and clear of sprocket w ile operating
opener.
• Securely attac sprocket cover BEFORE operating.
WARNING
CAUTION WARNING
WARNING