Chamberlain Garage Door Opener 2580 1 2 HP User Manual

The Chamberlain Group, Inc.  
845 Larch Avenue  
Elmhurst, Illinois 60126-1196  
®
GARAGE DOOR OPENER  
Model 2580 1/2 HP  
For Residential Use Only  
Owner’s Manual  
Please read this manual and the enclosed safety materials carefully!  
Fasten the manual near the garage door after installation.  
The door WILL NOT CLOSE unless the Protector System® is connected and  
properly aligned.  
Periodic checks of the opener are required to ensure safe operation.  
The model number label is located under the light lens on the left side  
panel of your opener.  
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Preparing your garage door  
WARNING  
To prevent possible SERIOUS INJURY OR DEATH:  
Before you begin:  
• Disable locks.  
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.  
• 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.  
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.  
Sectional Door  
One-Piece Door  
Tools needed  
During assembly, installation and adjustment of the  
opener, instructions will call for hand tools as  
illustrated below.  
Pencil  
2
1
Carpenter's  
Level  
Hack Saw  
Tape Measure  
Wire Cutters  
Drill  
3/16", 5/16" and  
5/32" Drill Bits  
Claw Hammer  
Pliers  
Stepladder  
1/2" and 7/16" Sockets  
and Wrench  
Adjustable End Wrench  
Screwdriver  
3
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Planning  
Identify the type and height of your garage door. Survey your garage area to see if any of the conditions below  
apply 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.  
SECTIONAL DOOR INSTALLATION  
FINISHED CEILING  
Support bracket &  
fastening hardware  
is required.  
See page 13.  
Horizontal and vertical reinforcement  
is needed for lightweight garage doors  
(fiberglass, steel, aluminum, door with  
glass panels, etc.). See page 20 for details.  
Header Wall  
Motor unit  
Extension  
Spring  
Torsion  
OR  
Spring  
OR  
One-Piece Door-Extension Spring  
Header  
Wall  
Door  
Center  
Access  
Door  
Wall-  
mounted  
Door  
Door  
Track  
Control  
Safety  
Reversing  
Sensor  
Gap between floor  
and bottom of door  
must not exceed 1/4"  
Safety Reversing Sensor  
ONE-PIECE DOOR WITHOUT TRACK  
FINISHED CEILING  
Support bracket  
& fastening  
Motor Unit  
hardware is required.  
See page 13.  
Header  
Wall  
ONE-PIECE DOOR WITH TRACK  
Wall-  
mounted  
Door  
Control  
Access  
Door  
Access  
Door  
Safety  
Reversing Sensor  
Gap between floor and bottom of  
door must not exceed 1/4"  
Reversing Sensor  
Safety  
Safety  
Reversing  
Sensor  
Gap between floor  
and bottom of door  
must not exceed 1/4"  
Safety  
Reversing Sensor  
4
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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 installation is also listed below.  
Belt Cap Retainer  
SECURITY  
Remote Control  
LOCK  
3-Channel Remote Control  
LIGHT  
Transmitter Visor Clip  
Styrofoam  
Motion Dectecting  
Door Control Panel  
Belt  
Light Lens (2)  
One-Piece  
T-rail  
2-Conductor Bell Wire  
White & White/Red  
CEILING MOUNT ONLY  
UP  
Door Bracket  
Trolley  
Header Bracket  
Belt  
Pulley Bracket  
Curved Door  
Arm Section  
(2) Safety Reversing Sensors  
Straight Door  
Arm Section  
(1 Sending Eye and 1 Receiving Eye)  
with 2-Conductor White & White/Black  
Bell Wire attached  
Safety Labels  
and  
Literature  
Safety Sensor  
Bracket (2)  
INSTALLATION HARDWARE  
Self-Threading Screw 1/4"-14x5/8" (2)  
Screw 6-32x1" (2)  
Insulated Staples (30)  
Ring Fastener (3)  
Dry Wall Anchors (2)  
Rope  
Hex Bolt 5/16"-18x7/8" (4)  
Hex Screw #8 x 3/8" (2)  
Lag Screw 5/16"-9x1-5/8" (2)  
Lag Screw 5/16"-18x1-7/8" (2)  
Clevis Pin 5/16"x2-3/4" (1)  
Clevis Pin 5/16"x1-1/4" (1)  
Clevis Pin 5/16"x1" (1)  
Nut 5/16"-18 (4)  
Handle  
Rail Grease  
Carriage Bolt 1/4"-20x1/2" (2)  
Wing Nut 1/4”-20 (2)  
Lock Washer 5/16" (4)  
Screw 6ABx1-1/4" (2)  
5
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ASSEMBLY STEP 1  
CAUTION  
Attach the T-Rail to the Motor Unit  
To avoid SERIOUS damage to opener, ONLY use bolts  
mounted in top of motor unit.  
To avoid installation difficulties, do not run the  
garage door opener until instructed to do so.  
Washered Bolt  
5/16"-18x1/2"  
• Remove the two washered bolts mounted in top of  
motor unit.  
Styrofoam  
• Align T-rail and styrofoam over sprocket. Cut tape  
from T-rail, belt and styrofoam.  
USE ONLY THIS  
TYPE AND SIZE  
BOLT  
• REMOVE STYROFOAM.  
• Insert both washered bolt through the T-rail into  
the motor unit. Tighten bolts securely.  
Use only these bolts! Use of any other bolts  
will cause serious damage to door opener.  
Belt  
T-Rail  
Hole  
• Position belt over the motor unit sprocket.  
Washered Bolt  
5/16"-18x1/2"  
Motor unit  
Sprocket  
T-Rail  
Hole  
ASSEMBLY STEP 2  
Set the Belt Tension  
• By hand, thread the spring trolley nut on the  
threaded shaft until it is finger tight against the  
trolley (Figure 1). Do not use any tools.  
Trolley  
Threaded  
Shaft  
• Insert a screwdriver tip into one of the nut ring  
slots and brace it firmly against the trolley  
(Figure 2).  
Spring/Trolley Nut  
• Place a 7/16" open end wrench on the square  
end. Rotate about 1/4 turn until the spring releases  
and snaps the nut ring against the trolley  
(Figure 3).  
Figure 1  
Trolley  
This extends the spring for optimum belt tension.  
Threaded  
Shaft  
Nut  
Ring  
Square  
End  
Trolley  
Nut Ring  
Trolley  
Nut Ring  
Nut Ring  
Slots  
BEFORE  
1"  
AFTER RELEASE  
1-1/4"  
Figure 2  
Figure 3  
6
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ASSEMBLY STEP 3  
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.  
Attach the Belt Cap Retainer  
• Position the belt cap retainer over the motor unit  
sprocket so the two holes in cap align with the two  
holes in mounting plate. Attach with #8x3/8" hex  
screws provided.  
You have now finished assembling your garage  
door opener. Please read the following warnings  
before proceeding to the installation section.  
8x3/8" Hex Screws  
Belt Cap  
Retainer  
Motor Unit  
Sprocket  
Mounting Plate  
INSTALLATION  
IMPORTANT INSTALLATION INSTRUCTIONS  
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.  
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  
away from all moving parts of the door.  
10. Place entrapment warning label on wall next to garage  
door control.  
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 or more above floor.  
6. Mount emergency release handle 6 feet above floor.  
11. Place manual release/safety reverse test label in plain  
view on inside of garage door.  
12. Upon completion of installation, test safety reversal  
system. Door MUST reverse on contact with a one-  
inch high object (or a 2x4 laid flat) on the floor.  
7. NEVER connect garage door opener to power source  
until instructed to do so.  
7
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INSTALLATION STEP 1  
Determine the Header Bracket  
Location  
Finished  
Ceiling  
Vertical  
Centerline  
Header  
Wall  
Structural  
Supports  
2x4  
WARNING  
To prevent possible SERIOUS INJURY or DEATH:  
Header bracket MUST be RIGIDLY fastened to  
structural support on header wall or ceiling, otherwise  
garage 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, all  
of which are under EXTREME tension.  
Vertical  
Centerline  
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.  
Ceiling  
SECTIONAL DOOR  
Header Wall  
AND ONE-PIECE DOOR WITH TRACK  
Track  
2"  
1. Close the door and mark the inside vertical  
centerline of the garage door.  
Highest Point  
of Travel  
2. Extend the line onto the header wall above the  
door.  
Sectional door  
with curved  
track  
You can fasten the header bracket within 4 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 (see  
page 10) when clearance is minimal. (It may be  
mounted on the wall upside down if necessary,  
to gain approximately 1/2".)  
Door  
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 10.  
3. 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.  
Header Wall  
2"  
Track  
Highest Point  
of Travel  
One-piece  
door with  
horizontal  
track  
Proceed to Step 2, page 10.  
Door  
8
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ONE-PIECE DOOR WITHOUT TRACK  
Unfinished  
Ceiling  
1. Close the door and mark the inside vertical  
centerline of your garage door. Extend the line  
onto the header wall above door, as shown.  
Structural  
Supports  
Header Wall  
Vertical  
Centerline  
If headroom clearance is minimal, you can install  
the header bracket on the ceiling. See page 10.  
2x4  
2x4  
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.  
OPTIONAL  
CEILING MOUNT  
FOR  
HEADER BRACKET  
2. Open your door to the highest point of travel as  
shown. Measure the distance from the top of the  
door to the floor. Subtract the actual height of the  
door. Add 8" to the remainder. (See Example).  
Vertical  
Centerline  
of Garage  
Door  
3. Close the door and draw an intersecting horizontal  
line on the header wall at the determined height.  
NOTE: If the total number of inches exceeds the  
height available in your garage, use the maximum  
height possible, or refer to page 10 for ceiling  
installation.  
Header Wall  
Highest Point  
of Travel  
EXAMPLE  
Distance from top of door  
(at highest point of travel) to floor ...................... 92"  
Door  
Actual height of door.......................................... -88"  
Remainder..........................................................  
4"  
Add..................................................................... +8"  
Bracket height on header wall............................ =12"  
(Measure UP from top of CLOSED door.)  
Jamb  
Hardware  
Proceed to Step 2, page 10.  
Floor  
One-piece door without track:  
jamb hardware  
Highest Point  
of Travel  
Header Wall  
Door  
Pivot  
Floor  
One-piece door without track:  
pivot hardware  
9
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INSTALLATION STEP 2  
Install the Header Bracket  
Wall Mounting Holes  
You can attach the header bracket either to the wall  
above the garage door, or to the ceiling. Follow the  
instructions which will work best for your particular  
requirements. Do not install the header bracket  
over drywall. If installing into masonry, use  
concrete anchors (not provided).  
CEILING MOUNT ONLY  
The nail hole is for  
positioning only.  
You must use lag screws  
to mount the header bracket.  
UP  
Optional  
Wall Mounting Holes  
WALL HEADER BRACKET INSTALLATION  
• Center the bracket on the vertical centerline with  
the bottom edge of the bracket on the horizontal  
line as shown (with the arrow pointing toward the  
ceiling).  
Vertical  
Centerline  
Header  
Wall  
Lag Screws  
5/16"x9x1-5/8"  
• Mark the vertical set of bracket holes (do not use  
the holes designated for ceiling mount). Drill 3/16"  
pilot holes and fasten the bracket securely to a  
structural support with the hardware provided.  
CEILING MOUNT ONLY  
UP  
2x4  
Structural  
Support  
Header  
Bracket  
Door Spring  
HARDWARE SHOWN ACTUAL SIZE  
Garage  
Door  
Highest Point of  
Garage Door Travel  
Vertical  
Centerline  
Lag Screw  
5/16"-9 x 1-5/8"  
CEILING HEADER BRACKET INSTALLATION  
• Extend the vertical centerline onto the ceiling as  
shown.  
• Center the bracket on the vertical mark, no more  
than 6" from the wall. Make sure the arrow is  
pointing toward the wall. The bracket can be  
mounted flush against the ceiling when clearance  
is minimal.  
– Finished Ceiling –  
Header  
Bracket  
Vertical Centerline  
• Mark the side holes. Drill 3/16" pilot holes and  
fasten bracket securely to a structural support with  
the hardware provided.  
U P  
6" Maximum  
Door  
Spring  
Lag Screws  
5/16"x9x1-5/8"  
Ceiling Mounting Holes  
CEILING MOUNT ONLY  
UP  
Header Wall  
The nail hole is for  
positioning only.  
You must use lag screws  
to mount the header bracket.  
Garage Door  
Vertical  
Centerline  
10  
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INSTALLATION STEP 3  
Attach the T-Rail to the Header  
Bracket  
• Position the opener on the garage floor below the  
header bracket. Use packing material as a  
protective base. NOTE: If the door spring is in the  
way you’ll need help. Have someone hold the  
opener securely on a temporary support to allow  
the rail to clear the spring.  
Header Wall  
Header  
Bracket  
• Position the rail bracket against the header  
bracket.  
Belt Pulley  
Bracket  
• Align the bracket holes and join with a clevis pin  
as shown.  
• Insert a ring fastener to secure.  
Ring  
Fastener  
Header  
Bracket  
Clevis Pin  
5/16"x2-3/4 "  
Belt Pulley  
Bracket  
T-Rail  
Garage  
Door  
Temporary  
Support  
HARDWARE SHOWN ACTUAL SIZE  
Clevis Pin  
5/16"x2-3/4"  
Ring Fastener  
11  
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INSTALLATION STEP 4  
CAUTION  
To prevent damage to garage door, rest garage door  
opener rail on 2x4 placed on top section of door.  
Position the Opener  
Follow instructions which apply to your door type as  
illustrated.  
SECTIONAL DOOR OR ONE-PIECE DOOR WITH  
TRACK  
A 2x4 laid flat is convenient for setting an ideal door-  
to-rail distance.  
• Raise the opener onto a stepladder. You will need  
help at this point if the ladder is not tall enough.  
2x4  
laid flat  
T-Rail  
• Open the door all the way and place a 2x4 laid flat  
on the top section beneath the rail.  
• If the top section or panel hits the trolley when you  
raise the door, pull down on the trolley release arm  
to disconnect inner and outer sections. Slide the  
outer trolley toward the motor unit. The trolley can  
remain disconnected until Installation Step 12  
is completed.  
Door  
Trolley  
Release Arm  
ENGAGED  
RELEASED  
ONE-PIECE DOOR WITHOUT TRACK  
Header  
Bracket  
• With the door fully open and parallel to the floor,  
measure the distance from the floor to the top of  
the door.  
Top of Opener  
• Using a stepladder as a support, raise the top of  
the opener to this height.  
Top of Door  
• The top of the door should be level with the top of  
the motor unit. Do not position the opener more  
than 2" above this point.  
12  
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INSTALLATION STEP 5  
WARNING  
To avoid possible SERIOUS INJURY from a falling  
garage door opener, fasten it SECURELY to structural  
supports of the garage. Concrete anchors MUST be used  
if installing any brackets into masonry.  
Hang the Opener  
Two representative installations are shown. Yours  
may be different. Hanging brackets should be angled  
(Figure 1) to provide rigid support. On finished  
ceilings (Figure 2), attach a sturdy metal bracket to  
structural supports before installing the opener. This  
bracket and fastening hardware are not provided.  
Figure 1  
Structural  
1. Measure the distance from each side of the motor  
unit to the structural support.  
Supports  
2. Cut both pieces of the hanging bracket to required  
lengths.  
Lag Screws  
5/16"-18x1-7/8"  
3. Drill 3/16" pilot holes in the structural supports.  
Measure  
Distance  
4. Attach one end of each bracket to a support with  
5/16"-18x1-7/8" lag screws.  
5/16"-18x7/8" Bolt  
5/16" Lock Washer  
5/16"-18 Nut  
5. Fasten the opener to the hanging brackets with  
5/16"-18x7/8" hex bolts, lock washers and nuts.  
6. Check to make sure the rail is centered over the  
door (or in line with the header bracket if the  
bracket is not centered above the door).  
7. Remove the 2x4. Operate the door manually. If  
the door hits the rail, raise the header bracket.  
8. Grease the top and underside of the rail surface  
where the trolley slides with rail  
grease.  
Figure 2  
Hidden  
Support  
Bracket  
(Not Provided)  
FINISHED CEILING  
Lag Screws  
5/16"-18x1-7/8"  
(Not Provided)  
5/16"-18x7/8" Bolt  
5/16" Lock Washer  
HARDWARE SHOWN ACTUAL SIZE  
5/16"-18 Nut  
5/16"-18x7/8" Bolt  
5/16" Lock Washer  
5/16"-18 Nut  
Lag Screw 5/16"-18x1-7/8"  
Hex Bolt  
5/16"-18x7/8"  
Lock Washer 5/16"  
Nut 5/16"-18  
13  
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INSTALLATION STEP 6  
WARNING  
Install the Door Control  
To prevent possible SERIOUS INJURY or DEATH from  
electrocution:  
Locate door control within sight of the door at a  
minimum height of 5 feet where small children  
cannot reach, and away from moving parts of the  
door and door hardware. If installing into drywall  
(Fig. 1), drill 5/32" holes and use anchors provided.  
For pre-wired installations (as in new home  
construction), it may be mounted to a single gang  
box (Fig. 2). NOTE: After installation, a green  
indicator light behind the cover will indicate proper  
connection. If not lit, the Lock and Light features will  
not function (reverse wires to correct).  
Be sure power is not connected BEFORE installing door  
control.  
Connect ONLY to 24 VOLT low voltage wires.  
To prevent possible SERIOUS INJURY or DEATH from a  
closing garage door:  
• Install door control within sight of garage door, out of  
reach of children at a minimum height of 5 feet, and away  
from all moving parts of door.  
NEVER permit children to operate or play with door control  
push buttons or remote control transmitters.  
Activate door ONLY when it can be seen clearly, is properly  
adjusted, and there are no obstructions to door travel.  
ALWAYS keep garage door in sight until completely closed.  
NEVER permit anyone to cross path of closing garage door.  
1. Strip 7/16" of insulation from one end of bell wire  
and connect to the two screw terminals on back of  
door control by color: white wire to 2 and white/red  
wire to the 1.(Fig.3)  
HARDWARE SHOWN ACTUAL SIZE  
2. Remove white cover by gently prying at slot in top  
of the cover with a small flat head screwdriver.  
Fasten with 6ABx1-1/4"self-tapping screws  
(standard installation) or 6-32x1" machine screws  
(into gang box) as follows:  
Insulated  
Staples  
6AB x 1-1/4" Screw  
(standard installation)  
• Drill and install bottom screw, allowing 1//8" to  
protrude above wall surface.  
6-32 x 1" Screw  
(gang box installation)  
Dry Wall Anchors  
• Position bottom of door control on screw head  
and slide down to secure. Adjust screw for  
snug fit.  
STANDARD WALL MOUNT  
To Replace  
Insert Top  
Tabs First  
• Install top screw with care to avoid  
cracking plastic housing. Do not overtighten.  
• Insert top tabs and snap on cover. (To remove  
cover after mounting, gently pry at top with  
paper clip or small flat head screwdriver.)  
PRE-WIRED INSTALLATION  
24 Volt Bell Wire  
LOCK  
ON  
OFF  
Detector  
Switch  
LIGHT  
Push Bar Cover  
To Replace  
Insert Top  
Tabs First  
3. (Standard installation only) Run bell wire up  
wall and across ceiling to motor unit. Use  
insulated staples to secure wire in several places.  
Do not pierce wire with a staple, creating a short  
or open circuit.  
Figure 1  
LOCK  
Detector  
Switch  
ON  
OFF  
LIGHT  
4. Strip 7/16" of insulation from end of bell wire.  
Connect bell wire to the quick-connect terminals  
as follows: white to white and white/red to red..  
Push Bar Cover  
Top  
Mounting Hole  
Figure 2  
24 Volt  
Bell Wire  
5. Use tacks or staples to permanently attach  
entrapment warning label to wall near door control,  
and manual release/safety reverse test label in a  
prominent location on inside of garage door.  
2
WHITE  
Door  
Control  
Terminal  
Screws  
1
RED  
Bottom  
Mounting  
Hole  
NOTE: DO NOT connect the power and operate the  
opener at this time. The trolley will travel to the full  
open position but will not return to the close position  
until the sensor beam is connected and properly  
aligned. See Safety Reversing Sensor  
Back View  
Figure 3  
To release wire, push in tab  
with screwdriver tip  
Door Control  
Connections  
Instructions beginning on page 17.  
Red  
9
1
9
1
7
3
7
3
5
5
KG  
KG  
Red White Black  
Black  
White  
7/16"  
Strip wire 7/16"  
14  
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100 Watt (Max)  
Standard Light Bulb  
INSTALLATION STEP 7  
Install the Lights  
Release Tab  
• Press the release tabs on both sides of lens. Gently  
rotate lens back and downward until the lens hinge  
is in the fully open position. Do not remove the  
lens.  
• Install up to a 100 watt maximum light bulb in each  
socket. The lights will turn ON and remain lit for  
approximately 4-1/2 minutes when power is  
connected. Then the lights will turn OFF.  
Lens  
Hinge  
100 Watt (Max)  
Standard Light Bulb  
• Reverse the procedure to close the lens.  
• If the bulbs burn out prematurely due to vibration,  
replace with a Garage Door Opener bulb.  
NOTE: Use only standard light bulbs. The use of  
short neck or speciality light bulbs may overheat the  
endpanel or light socket.  
INSTALLATION STEP 8  
Attach the Emergency Release  
Rope and Handle  
WARNING  
To prevent possible SERIOUS INJURY or DEATH from  
a falling garage door:  
– If possible, use emergency release handle to  
disengage trolley ONLY when garage door is  
CLOSED. Weak or broken springs or unbalanced  
door could result in an open door falling rapidly  
and/or unexpectedly.  
NEVER use emergency release handle unless garage  
doorway is clear of persons and obstructions.  
• Thread one end of the rope through the hole in the  
top of the red handle so "NOTICE" reads right side  
up as shown. Secure with an overhand knot at  
least 1" from the end of the rope to prevent  
slipping.  
• Thread the other end of the rope through the hole  
in the release arm of the outer trolley.  
• Adjust rope length so the handle is 6 feet above  
the floor. Secure with an overhand knot.  
NOTE: If it is necessary to cut the rope, heat seal  
the cut end with a match or lighter to prevent  
unraveling.  
NEVER use handle to pull door open or closed. If rope  
knot becomes untied, you could fall.  
Overhand  
Knot  
Trolley  
Release  
Emergency  
Arm  
Release Handle  
NOTICE  
Overhand  
Knot  
15  
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INSTALLATION STEP 9  
WARNING  
Electrical Requirements  
To prevent possible SERIOUS INJURY or DEATH from  
electrocution or fire:  
To avoid installation difficulties, do not run the  
opener at this time.  
Be sure power is not connected to the opener, and  
disconnect power to circuit BEFORE removing cover to  
establish permanent wiring connection.  
Garage door installation and wiring MUST be in  
compliance with all local electrical and building codes.  
NEVER use an extension cord, 2-wire adapter, or  
change plug in any way to make it fit outlet. Be sure  
the opener is grounded.  
To reduce the risk of electric shock, your garage door  
opener has a grounding type plug with a third  
grounding pin. This plug will only fit into a grounding  
type outlet. If the plug doesn't fit into the outlet you  
have, contact a qualified electrician to install the  
proper outlet.  
PERMANENT WIRING  
CONNECTION  
RIGHT  
WRONG  
If permanent wiring is required by your local  
code, refer to the following procedure.  
Ground Tab  
Green  
Ground Screw  
To make a permanent connection through the 7/8"  
hole in the top of the motor unit:  
Black  
Wire  
Ground Wire  
• Remove the motor unit cover screws and set the  
cover aside.  
• Remove the attached 3-prong cord.  
Black Wire  
White Wire  
• Connect the black (line) wire to the screw on the  
brass terminal; the white (neutral) wire to the  
screw on the silver terminal; and the ground wire  
to the green ground screw. The opener must be  
grounded.  
• Reinstall the cover.  
To avoid installation difficulties, do not run the  
opener at this time.  
16  
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INSTALLATION STEP 10  
WARNING  
®
Install The Protector System  
Be sure power is not connected to the garage door  
opener BEFORE installing the safety reversing sensor.  
The safety reversing sensor must be connected  
and aligned correctly before the garage door  
opener will move in the down direction.  
To prevent SERIOUS INJURY or DEATH from a closing  
garage door:  
Correctly connect and align the safety reversing  
sensor. This required safety device MUST NOT be  
disabled.  
IMPORTANT INFORMATION ABOUT  
THE SAFETY REVERSING SENSOR  
– Install the safety reversing sensor so beam is NO  
HIGHER than 6" above garage floor.  
When properly connected and aligned, the sensor  
will detect an obstacle in the path of its electronic  
beam. The sending eye (with an orange indicator  
light) transmits an invisible light beam to the  
receiving eye (with a green indicator light). If an  
obstruction breaks the light beam while the door is  
closing, the door will stop and reverse to full open  
position, and the opener lights will flash 10 times.  
If it is necessary to mount the units on the wall, the  
brackets must be securely fastened to a solid  
surface such as the wall framing. Extension brackets  
(see accessories) are available if needed. If  
installing in masonry construction, add a piece of  
wood at each location to avoid drilling extra holes in  
masonry if repositioning is necessary.  
The units must be installed inside the garage so that  
the sending and receiving eyes face each other  
across the door, no more than 6" above the floor.  
Either can be installed on the left or right of the door  
as long as the sun never shines directly into the  
receiving eye lens.  
The invisible light beam path must be unobstructed.  
No part of the garage door (or door tracks, springs,  
hinges, rollers or other hardware) may interrupt the  
beam while the door is closing.  
The mounting brackets are designed to clip onto the  
track of sectional garage doors without additional  
hardware.  
Sensor Beam  
6" max.  
above floor  
Sensor Beam  
6" max.  
above floor  
Invisible Light Beam  
Protection Area  
Facing the door from inside the garage  
17  
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INSTALLING THE BRACKETS  
Figure 1  
DOOR TRACK MOUNT (RIGHT SIDE)  
Be sure power to the opener is disconnected.  
Install and align the brackets so the sensors will face  
each other across the garage door, with the beam no  
higher than 6" above the floor. They may be installed  
in one of three ways, as follows.  
Door  
Track  
Lip  
Garage door track installation (preferred):  
Indicator  
light  
• Slip the curved arms over the rounded edge of  
each door track, with the curved arms facing the  
door. Snap into place against the side of the track.  
It should lie flush, with the lip hugging the back  
edge of the track, as shown in Figure 1.  
Sensor  
Bracket  
Lens  
If your door track will not support the bracket  
securely, wall installation is recommended.  
Wall installation:  
Figure 2  
• Place the bracket against the wall with curved arms  
facing the door. Be sure there is enough clearance  
for the sensor beam to be unobstructed.  
WALL MOUNT (RIGHT SIDE)  
Inside  
Garage  
Wall  
Extension  
Bracket  
(See Accessories)  
• If additional depth is needed, an extension bracket  
(see Accessories) or wood blocks can be used.  
(Provided with  
Extension Bracket)  
• Use bracket mounting holes as a template to locate  
and drill (2) 3/16" diameter pilot holes on the wall at  
each side of the door, no higher than 6" above the  
floor.  
• Attach brackets to wall with lag screws  
(not provided).  
• If using extension brackets or wood blocks, adjust  
right and left assemblies to the same distance out  
from the mounting surface. Make sure all door  
hardware obstructions are cleared.  
Sensor  
Bracket  
(Provided with  
Extension  
Bracket)  
Indicator  
light  
Lens  
Floor installation:  
Figure 3  
FLOOR MOUNT (RIGHT SIDE)  
• Use wood blocks or extension brackets (see  
Accessories) to elevate sensor brackets so the  
lenses will be no higher than 6" above the floor.  
Lens  
Indicator  
Sensor  
Bracket  
light  
• Carefully measure and place right and left  
assemblies at the same distance out from the wall.  
Be sure all door hardware obstructions are cleared.  
(Provided with  
Extension Bracket)  
• Fasten to the floor with concrete anchors as shown.  
Attach with  
concrete anchors  
(not provided)  
(Provided with  
Extension  
Bracket)  
Inside  
Garage  
Wall  
Extension  
Bracket  
(See Accessories)  
HARDWARE SHOWN ACTUAL SIZE  
Carriage Bolt  
1/4"-20x1/2"  
Wing Nut  
1/4"-20  
Staples  
18  
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MOUNTING AND WIRING THE SAFETY SENSORS  
Figure 4  
• Slide a 1/4"-20x1/2" carriage bolt head into the slot  
on each sensor. Use wing nuts to fasten sensors to  
brackets, with lenses pointing toward each other  
across the door. Be sure the lens is not obstructed  
by a bracket extension. See Figure 4.  
Wing nut  
1/4"-20x1/2"  
Carriage bolt  
• Finger tighten the wing nuts.  
Lens  
Run the wires from both sensors to the opener. Use  
insulated staples to secure wire to wall and ceiling.  
TROUBLESHOOTING THE SAFETY SENSORS  
• Strip 7/16" of insulation from each set of wires.  
Separate white and white/black wires sufficiently to  
connect to the opener quick-connect terminals: white  
to white and white/black to black. See Figure 5.  
1. If the sending eye indicator light does not glow  
steadily after installation, check for:  
• Electric power to the opener.  
• A short in the white or white/black wires. These  
can occur at staples, or at opener connections.  
ALIGNING THE SAFETY SENSORS  
Plug in the opener. The indicator lights in both the  
sending and receiving eyes will glow steadily if  
wiring connections and alignment are correct.  
• Incorrect wiring between sensors and opener.  
• A broken wire.  
2. If the sending eye indicator light glows steadily but  
the receiving eye indicator light doesn't:  
The sending eye orange indicator light will glow  
regardless of alignment or obstruction. If the green  
indicator light in the receiving eye is off, dim, or  
flickering (and the invisible light beam path is not  
obstructed), alignment is required.  
• Check alignment.  
• Check for an open wire to the receiving eye.  
3. If the receiving eye indicator light is dim, realign  
either sensor.  
• Loosen the sending eye wing nut and readjust,  
aiming directly at the receiving eye. Lock in place.  
NOTE: When the invisible beam path is obstructed  
or misaligned while the door is closing, the door will  
reverse. If the door is already open, it will not close.  
The opener lights will blink 10 times. (If bulbs are not  
installed, 10 clicks can be heard.) See page 17.  
• Loosen the receiving eye wing nut and adjust sensor  
until it receives the sender’s beam. When the green  
indicator light glows steadily, tighten the wing nut.  
Connect Wire to  
Opener Terminal Screws  
Figure 5  
Finished  
Bell Wire  
Ceiling  
Bell Wire  
Red  
Strip wire 7/16"  
7/16"  
Black  
White  
Quick-Connect Terminals  
Sensor  
Connections  
Red White Black  
Sensor  
Invisible Light Beam  
Protection Area  
Sensor  
19  
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INSTALLATION STEP 11  
CAUTION  
To prevent damage to garage door, reinforce inside of  
door with angle iron both vertically and horizontally.  
Fasten the Door Bracket  
Follow instructions which apply to your door type  
as illustrated below or on the following page.  
A horizontal reinforcement brace should be long  
enough to be secured to two or three vertical  
supports. A vertical reinforcement brace should  
cover the height of the top panel.  
Header  
Bracket  
Figure 1 shows one piece of angle iron as the  
horizontal brace. For the vertical brace, 2 pieces of  
angle iron are used to create a U-shaped support.  
The best solution is to check with your garage door  
manufacturer for an opener installation door  
reinforcement kit.  
Door  
Bracket  
Location  
HORIZONTAL AND VERTICAL  
REINFORCEMENT IS NEEDED  
FOR LIGHTWEIGHT GARAGE  
DOORS (FIBERGLASS,  
ALUMINUM, STEEL, DOORS  
WITH GLASS PANEL, ETC).  
(NOT PROVIDED)  
NOTE: Many door reinforcement kits provide for  
direct attachment of the clevis pin and door arm. In  
this case you will not need the door bracket; proceed  
to Step 12.  
Vertical  
Centerline  
SECTIONAL DOORS  
1. Center the door bracket on the previously marked  
vertical centerline used for the header bracket  
installation. Note correct UP placement, as  
stamped inside the bracket.  
Figure 1  
Vertical  
Reinforcement  
(Not Provided)  
2. Position the top edge of the bracket 2"-4" below  
the top edge of the door, OR directly below any  
structural support across the top of the door.  
Vertical  
Reinforcement  
Vertical  
Centerline  
Bolt  
Vertical  
Centerline  
3. Mark, drill holes and install as follows, depending  
on your door’s construction:  
5/16"-18x2"  
UP  
Metal or light weight doors using a vertical angle  
iron brace between the door panel support and  
the door bracket:  
Door  
Bracket  
UP  
Lock Washer  
5/16"  
Door  
Bracket  
Nut  
5/16"-18  
• Drill 3/16" fastening holes. Secure the door bracket  
using the two 1/4"-14x5/8" self-threading screws.  
(Figure 2A)  
Self-Threading  
Screw  
1/4"-14x5/8"  
Figure 2B  
• Alternately, use two 5/16" bolts, lock washers and  
nuts (not provided). (Figure 2B)  
Figure 2A  
Inside Edge  
of Door or  
Reinforcement Board  
(Not Provided)  
Metal, insulated or light weight factory reinforced  
doors:  
Bolt  
5/16"x2"  
• Drill 3/16" fastening holes. Secure the door bracket  
using the self-threading screws (Figure 3).  
UP  
Wood Doors:  
Vertical  
Centerline  
• Use top and bottom or side to side door bracket  
holes. Drill 5/16" holes through the door and secure  
bracket with 5/16"x2" carriage bolts, lock washers  
and nuts (not provided). (Figure 4)  
Vertical  
Centerline  
UP  
Self-Threading  
Screw  
1/4"-14x5/8"  
Figure 4  
NOTE: The 1/4"-14x5/8" self-threading screws are  
not intended for use on wood doors.  
Figure 3  
HARDWARE  
SHOWN  
ACTUAL SIZE  
Self-Threading  
Screw  
1/4"-14x5/8"  
20  
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ONE-PIECE DOORS  
Please read and comply with the warnings and  
reinforcement instructions on the previous page. They  
apply to one-piece doors also.  
• Center the door bracket on the top of the door, in  
line with the header bracket as shown. Mark either  
the left and right, or the top and bottom holes.  
Metal Doors: Drill 3/16" pilot holes and fasten the  
bracket with the 1/4"-14x5/8" self-threading screws  
provided.  
HARDWARE SHOWN  
ACTUAL SIZE  
Wood Doors: Drill 5/16" holes and use 5/16"x2"  
carriage bolts, lock washers and nuts (not provided)  
or 5/16"x1-1/2" lag screws (not provided) depending  
on your installation needs.  
Self-Threading Screw  
1/4"-14x5/8"  
NOTE: The door bracket may be installed on the top  
edge of the door if required for your installation.  
(Refer to the dotted line optional placement drawing.)  
1/4"-14x5/8"  
Self-Threading  
Screw  
Door  
Bracket  
Top of Door  
(Inside  
Header Wall  
Finished Ceiling  
2x4 Support  
Garage)  
Top Edge  
of Door  
Header  
Bracket  
Optional  
Placement  
Door  
Bracket  
METAL DOOR  
Optional  
Placement  
of Door  
Bracket  
HORIZONTAL AND VERTICAL  
REINFORCEMENT IS NEEDED  
FOR LIGHTWEIGHT GARAGE  
DOORS (FIBERGLASS,  
Lock  
Nut  
Washer  
5/16"  
5/16"-18  
ALUMINUM, STEEL, DOORS  
WITH GLASS PANEL, ETC).  
(NOT PROVIDED)  
Top of Door  
(Inside  
Garage)  
Door  
Bracket  
Vertical  
Centerline of  
Garage Door  
Top Edge  
of Door  
Optional  
Placement  
Carriage Bolt  
5/16"x2"  
(Not provided)  
WOOD DOOR  
For a door with no exposed framing,  
or for the optional installation, use  
5/16"x1-1/2" lag screws (not provided)  
to fasten door bracket.  
21  
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INSTALLATION STEP 12  
Inner Trolley  
Connect Door Arm to Trolley  
Outer Trolley  
Follow instructions which apply to your door type as  
illustrated below and on the following page.  
Clevis Pin  
5/16"x1"  
SECTIONAL DOORS ONLY  
Ring  
• Make sure garage door is fully closed. Pull the  
emergency release handle to disconnect the outer  
trolley from the inner trolley. Slide the outer trolley  
back (away from the door) about 2" as shown in  
Figures 1, 2 and 3.  
Fastener  
Door  
Bracket  
• Figure 1:  
Straight  
Door Arm  
– Fasten straight door arm section to outer trolley  
with the 5/16"x1" clevis pin. Secure the  
connection with a ring fastener.  
Curved  
Door Arm  
Clevis Pin  
5/16"x1-1/4"  
– Fasten curved section to the door bracket in the  
same way, using the 5/16"x1-1/4" clevis pin.  
Figure 1  
• Figure 2:  
– Bring arm sections together. Find two pairs of  
holes that line up and join sections. Select holes  
as far apart as possible to increase door arm  
rigidity.  
• Figure 3, Hole alignment alternative:  
– If holes in curved arm are above holes in straight  
arm, disconnect straight arm. Cut about 6" from  
the solid end. Reconnect to trolley with cut end  
down as shown.  
Lock  
Washers  
5/16"  
– Bring arm sections together.  
Nuts  
5/16"-18  
Emergency  
Release  
Handle  
– Find two pairs of holes that line up and join with  
bolts, lock washers and nuts.  
• Proceed to Adjustment Step 1, page 24. Trolley will  
re-engage automatically when opener is operated.  
Bolts  
5/16"-18x7/8"  
Door Bracket  
Figure 2  
HARDWARE SHOWN ACTUAL SIZE  
Nut 5/16"-18  
Lock Washer 5/16" Ring Fastener  
Lock  
Washers  
5/16"  
Nuts  
5/16"-18  
Clevis Pin  
5/16"x1-1/4" (Door Bracket)  
Hex Bolt  
5/16"-18x7/8"  
Clevis Pin  
5/16"x1" (Trolley)  
Bolts  
5/16"-18x7/8"  
Cut This End  
Figure 3  
22  
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ALL ONE-PIECE DOORS  
1. Assemble the door arm:  
Door  
Bracket  
Ring  
Fastener  
• Fasten the straight and curved door arm sections  
together to the longest possible length (with a 2  
or 3 hole overlap).  
Nuts  
5/16"-18  
Lock  
Washers  
5/16"  
Clevis Pin  
5/16"x1-1/4"  
Straight  
Arm  
• With the door closed, connect the straight door  
arm section to the door bracket with the  
5/16"x1-1/4" clevis pin.  
Bolts  
Curved  
5/16"-18x7/8  
Door Arm  
• Secure with a ring fastener.  
2. Adjustment procedures:  
On one-piece doors, before connecting the door  
arm to the trolley, the travel limits must be  
adjusted. Limit adjustment screws are located on  
the left side panel as shown on page 24. Follow  
adjustment procedures below.  
– Press the Door Control push bar. The trolley  
will travel to the fully closed position.  
– Manually close the door and lift the door arm to  
the trolley. The arm should touch the trolley just  
ahead of the door arm connector hole. Refer to  
the fully closed trolley/door arm positions in the  
illustration. If the arm is behind the connector  
hole, adjust the limit further. One full turn  
equals 2" of trolley travel.  
• Open door adjustment: decrease UP travel  
limit  
– Turn the UP limit adjustment screw counter-  
clockwise 5-1/2 turns.  
– Press the Door Control push bar. The trolley  
will travel to the fully open position.  
3. Connect the door arm to the trolley:  
• Close the door and join the curved arm to the  
connector hole in the trolley with the remaining  
clevis pin. It may be necessary to lift the door  
slightly to make the connection.  
– Manually raise the door to the open position  
(parallel to the floor), and lift the door arm to  
the trolley. The arm should touch the trolley just  
in back of the door arm connector hole. Refer  
to the fully open trolley/door arm positions in  
the illustration. If the arm does not extend far  
enough, adjust the limit further. One full turn  
equals 2" of trolley travel.  
• Secure with a ring fastener.  
• Run the opener through a complete travel cycle. If  
the door has a slight "backward" slant in full open  
position as shown in the illustration, decrease the  
UP limit until the door is parallel to the floor.  
• Closed door adjustment: decrease DOWN  
travel limit  
NOTE: When setting the up limit on the following  
page, the door should not have a "backward" slant  
when fully open as illustrated below. A slight  
backward slant will cause unnecessary bucking  
and/or jerking operation as the door is being opened  
or closed from the fully open position.  
– Turn the DOWN limit adjustment screw  
clockwise 5 complete turns.  
Fully Closed  
Trolley  
Door Arm  
Connector Hole  
Door Arm  
Emergency Release Handle  
Closed  
Door  
Fully Open  
Trolley  
Door Arm  
Connector Hole  
Correct Angle  
Door Arm  
Door with  
Backward Slant  
(Undesirable)  
Open Door  
23  
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ADJUSTMENT STEP 1  
WARNING  
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.  
Adjust the UP and DOWN Travel  
Limits  
Limit adjustment settings regulate the points at which  
the door will stop when moving up or down.  
To operate the opener, press the Door Control push  
bar. Run the opener through a complete travel cycle.  
• Does the door open and close completely?  
• If one control (force or travel limits) is adjusted, the  
other control may also need adjustment.  
After any adjustments are made, the safety reversal  
system MUST be tested. Door MUST reverse on  
contact with one-inch high object (or 2x4 laid flat) on  
floor.  
• Does the door stay closed and not reverse  
unintentionally when fully closed?  
If your door passes both of these tests, no limit  
adjustments are necessary unless the reversing test  
fails (see Adjustment Step 3, page 26).  
Adjustment procedures are outlined below. Read the  
procedures carefully before proceeding to  
Adjustment Step 2. Use a screwdriver to make limit  
adjustments. Run the opener through a complete  
travel cycle after each adjustment.  
CAUTION  
To prevent damage to vehicles, be sure fully open door  
provides adequate clearance.  
NOTE: Repeated operation of the opener during  
adjustment procedures may cause the motor to  
overheat and shut off. Simply wait 15 minutes and  
try again.  
NOTE: If anything interferes with the door’s upward  
travel, it will stop. If anything interferes with the  
door’s downward travel (including binding or  
unbalanced doors), it will reverse.  
HOW AND WHEN TO ADJUST THE LIMITS  
Left Panel  
• If the door does not open completely but opens  
at least five feet:  
Limit Adjustment Screws  
Increase up travel. Turn the UP limit adjustment  
screw clockwise. One turn equals 2" of travel.  
NOTE: To prevent the trolley from hitting the cover  
protection bolt, keep a minimum distance of 2-4"  
between the trolley and the bolt.  
INCREASE INCREASE  
DOWN  
UP  
TRAVEL TRAVEL  
• If door does not open at least 5 feet:  
Adjust the UP (open) force as explained in  
Adjustment Step 2.  
• If the door does not close completely:  
• If the door reverses when closing and there is  
no visible interference to travel cycle:  
Increase down travel. Turn the down limit  
adjustment screw counterclockwise. One turn  
equals 2" of travel.  
If the opener lights are flashing, the Safety  
Reversing Sensors are either not installed,  
misaligned, or obstructed. See Troubleshooting,  
page 19.  
If door still won't close completely and the trolley  
bumps into the pulley bracket (see page 4 or 5),  
try lengthening the door arm (page 22) and  
decreasing the down limit.  
Test the door for binding: Pull the emergency  
release handle. Manually open and close the door.  
If the door is binding or unbalanced, call for a  
trained door systems technician. If the door is  
balanced and not binding, adjust the DOWN  
(close) force. See Adjustment Step 2.  
• If the opener reverses in fully closed position:  
Decrease down travel. Turn the down limit  
adjustment screw clockwise. One turn equals 2"  
of travel.  
24  
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ADJUSTMENT STEP 2  
WARNING  
Without a properly installed safety reversal system,  
persons (particularly small children) could be  
SERIOUSLY INJURED or KILLED by a closing garage  
door.  
Adjust the Force  
Force adjustment controls are located on the right  
panel of the motor unit. Force adjustment settings  
regulate the amount of power required to open and  
close the door.  
Too much force on garage door will interfere with  
proper operation of safety reversal system.  
If the forces are set too light, door travel may be  
interrupted by nuisance reversals in the down  
direction and stops in the up direction. Weather  
conditions can affect the door movement, so  
occasional adjustment may be needed.  
NEVER increase force beyond minimum amount  
required to close garage door.  
NEVER use force adjustments to compensate for a  
binding or sticking garage door.  
• If one control (force or travel limits) is adjusted, the  
other control may also need adjustment.  
After any adjustments are made, the safety reversal  
system MUST be tested. Door MUST reverse on  
contact with one-inch high object (or 2x4 laid flat) on  
floor.  
The maximum force adjustment range is about  
3/4 of a complete turn. Do not force controls  
beyond that point. Turn force adjustment controls  
with a screwdriver.  
NOTE: If anything interferes with the door’s upward  
travel, it will stop. If anything interferes with the  
door’s downward travel (including binding or  
unbalanced doors), it will reverse.  
HOW AND WHEN TO ADJUST THE FORCES  
1. Test the DOWN (close) force  
Force Adjustment Controls  
• Grasp the door bottom when the door is about  
halfway through DOWN (close) travel. The door  
should reverse. Reversal halfway through down  
travel does not guarantee reversal on a one-inch  
obstruction. See Adjustment Step 3, page 26.  
If the door is hard to hold or doesn't reverse,  
DECREASE the DOWN (close) force by turning  
the control counterclockwise. Make small  
adjustments until the door reverses normally. After  
each adjustment, run the opener through a  
complete cycle.  
Right Panel  
Antenna  
• If the door reverses during the down (close)  
cycle and the opener lights aren't flashing,  
INCREASE DOWN (close) force by turning the  
control clockwise. Make small adjustments until the  
door completes a close cycle. After each  
adjustment, run the opener through a complete  
travel cycle. Do not increase the force beyond the  
minimum amount required to close the door.  
FORCE ADJUSTMENT LABEL  
2. Test the UP (open) force  
9
9
1
1
• Grasp the door bottom when the door is about  
halfway through UP (open) travel. The door should  
stop. If the door is hard to hold or doesn't stop,  
DECREASE UP (open) force by turning the control  
counterclockwise. Make small adjustments until the  
door stops easily and opens fully. After each  
adjustment, run the opener through a complete  
travel cycle.  
7
7
3
3
5
5
KG  
KG  
Open Force  
Close Force  
• If the door doesn’t open at least 5 feet,  
INCREASE UP (Open) force by turning the control  
clockwise. Make small adjustments until door  
opens completely. Readjust the UP limit if  
necessary. After each adjustment, run the opener  
through a complete travel cycle.  
25  
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ADJUSTMENT STEP 3  
WARNING  
Test the Safety Reversal System  
Without a properly installed safety reversal system,  
persons (particularly small children) could be  
SERIOUSLY INJURED or KILLED by a closing garage  
door.  
TEST  
• With the door fully open, place a one-inch board  
(or a 2x4 laid flat) on the floor, centered under the  
garage door.  
Safety reversal system MUST be tested every month.  
• If one control (force or travel limits) is adjusted, the  
other control may also need adjustment.  
After ANY adjustments are made, the safety reversal  
system MUST be tested. Door MUST reverse on  
contact with one-inch high object (or 2x4 laid flat) on  
the floor.  
• Operate the door in the down direction. The door  
must reverse on striking the obstruction.  
ADJUST  
• If the door stops on the obstruction, it is not  
traveling far enough in the down direction.  
Increase the DOWN limit by turning the DOWN  
limit adjustment screw counterclockwise 1/4 turn.  
NOTE: On a sectional door, make sure limit  
adjustments do not force the door arm beyond a  
straight up and down position. See the illustration  
on page 22.  
• Repeat the test.  
• When the door reverses on the one-inch board,  
remove the obstruction and run the opener through  
3 or 4 complete travel cycles to test adjustment.  
IMPORTANT SAFETY CHECK:  
Repeat Adjustment Steps 1, 2 and 3 after:  
• Each adjustment of door arm length, limits, or  
force controls.  
• Any repair to or adjustment of the garage door  
(including springs and hardware).  
One-inch board (or a 2x4 laid flat)  
• Any repair to or buckling of the garage floor.  
• Any repair to or adjustment of the opener.  
ADJUSTMENT STEP 4  
WARNING  
Without a properly installed safety reversing sensor,  
persons (particularly small children) could be  
SERIOUSLY INJURED or KILLED by a closing garage  
door.  
®
Test the Protector System  
• Press the remote control push button to open the  
door.  
• Place the opener carton in the path of the door.  
• Press the remote control push button to close the  
door. The door will not move more than an inch,  
and the opener lights will flash.  
The garage door opener will not close from a remote  
if the indicator light in either sensor is off (alerting  
you to the fact that the sensor is misaligned or  
obstructed).  
If the opener closes the door when the safety  
reversing sensor is obstructed (and the sensors  
are no more than 6" above the floor), call for a  
trained door systems technician.  
Safety Reversing Sensor  
Safety Reversing Sensor  
26  
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OPERATION  
IMPORTANT SAFETY INSTRUCTIONS  
WARNING  
To reduce the risk of severe injury or death:  
1. READ AND FOLLOW ALL WARNINGS AND  
INSTRUCTIONS.  
8. If one control (force or travel limits) is adjusted, the  
other control may also need adjustment.  
2. ALWAYS keep remote controls out of reach of children.  
NEVER permit children to operate or play with garage  
door control push buttons or remote controls.  
3. ONLY activate garage door when it can be seen clearly, it  
is properly adjusted, and there are no obstructions to  
door travel.  
4. ALWAYS keep garage door in sight until completely  
closed. NO ONE SHOULD CROSS THE PATH OF THE  
MOVING DOOR.  
9. After any adjustments are made, the safety reversal  
system MUST be tested.  
10. Safety reversal system MUST be tested every month.  
Garage door MUST reverse on contact with one-inch  
high object (or a 2x4 laid flat) on the floor.  
11. ALWAYS KEEP GARAGE DOOR PROPERLY BALANCED  
(see page 3). An improperly balanced door may not  
reverse when required and could result in severe injury  
or death.  
5. If possible, use emergency release handle to disengage  
trolley ONLY when garage door is CLOSED. Weak or  
broken springs or unbalanced door could result in an  
open door falling rapidly and/or unexpectedly.  
6. NEVER use emergency release handle unless garage  
doorway is clear of persons and obstructions.  
12. All repairs to cables, spring assemblies and other  
hardware, all of which are under EXTREME tension,  
MUST be made by a trained door systems technician.  
13. ALWAYS disconnect electric power to garage door  
opener before making any repairs or removing covers.  
14.  
SAVE THESE INSTRUCTIONS.  
7. NEVER use handle to pull garage door open or closed. If  
rope knot becomes untied, you could fall.  
6. If obstructed while opening, the door will stop.  
Using Your Garage Door Opener  
7. If fully open, the door will not close when the beam  
is broken. The sensor has no effect in the opening  
cycle.  
Your Securityopener and hand-held remote control  
have been factory-set to a matching code which  
changes with each use, randomly accessing over  
100 billion new codes. Your opener will operate with  
up to eight Securityremote controls and one  
SecurityKeyless Entry System. If you purchase a  
new remote, or if you wish to deactivate any remote,  
follow the instructions in the Programming section.  
If the sensor is not installed, or is misaligned, the  
door won't close from a hand-held remote. However,  
you can close the door with the Door Control, the  
Outside Keylock, or Keyless Entry, if you activate  
them until down travel is complete. If you release  
them too soon, the door will reverse.  
Activate your opener with any of the following:  
The hand-held Remote Control: Hold the large  
push button down until the door starts to move.  
The wall-mounted Door Control: Hold the push  
button or bar down until the door starts to move.  
The Keyless Entry (See Accessories): If supplied  
with your garage door opener, it must be  
The opener lights will turn on under the following  
conditions: when the opener is initially plugged in;  
when power is restored after interruption; when the  
opener is activated.  
They will turn off automatically after 4-1/2 minutes or  
provide constant light when the Light feature on the  
Multi-Function Door Control is activated. Bulb size is  
100 watts maximum.  
programmed before use. See Programming.  
When the opener is activated (with the safety  
reversing sensor correctly installed and aligned)  
1. If open, the door will close. If closed, it will open.  
2. If closing, the door will reverse.  
Securitylight feature: Lights will also turn on  
when someone walks through the open garage door.  
With a Multi-Function Door Control, this feature may  
be turned off as follows: With the opener lights off,  
press and hold the light button for 10 seconds, until  
the light goes on, then off again. To restore this  
feature, start with the opener lights on, then press  
and hold the light button for 10 seconds until the light  
goes off, then on again.  
3. If opening, the door will stop.  
4. If the door has been stopped in a partially open  
position, it will close.  
5. If obstructed while closing, the door will reverse. If  
the obstruction interrupts the sensor beam, the  
opener lights will blink for five seconds.  
27  
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Additional feature when used with the  
3-function hand-held remote  
Using the Wall-Mounted  
Door Control  
To control the opener lights:  
Push  
Bar  
THE PASSIVE INFRARED  
CONTROL CONSOLE  
In addition to operating the door, you  
may program the remote to operate the lights.  
Press the push bar to open or  
close the door. Press again to  
reverse the door during the  
closing cycle or to stop the  
door while it's opening.  
1. With the door closed, press and hold a small  
remote button that you want to control the light.  
2. Press and hold the Light button on the door  
control.  
Detector  
Switch  
LOCK  
LIGHT  
3. While holding the Light button, press and hold the  
Lock button on the door control.  
This door control contains a  
motion detector that will  
automatically turn on the light  
when it detects a person entering the garage. This  
feature can be easily turned off for extended work  
Lock  
Button  
Light  
Button  
4. After the opener lights flash, release all buttons.  
To Open the Door Manually  
WARNING  
To prevent possible SERIOUS INJURY or DEATH from  
a falling garage door:  
– If possible, use emergency release handle to  
disengage trolley ONLY when garage door is  
CLOSED. Weak or broken springs or unbalanced  
door could result in an open door falling rapidly  
and/or unexpectedly.  
light use.  
Light feature  
Press the Light button to turn the opener light on or  
off. It will not control the opener lights when the door  
is in motion. If you turn it on and then activate the  
opener, the light will remain on for 4-1/2minutes.  
Press again to turn it off sooner.  
The 4-1/2 minute interval can be changed to 1-1/2,  
2-1/2, or 3-1/2 minutes as follows: Press and hold the  
Lock button until the light blinks (about 10 seconds).  
A single blink indicates that the timer is reset to 1-1/2  
minutes. Repeat the procedure and the light will blink  
twice, resetting the timer to 2-1/2 minutes. Repeat  
again for a 3-1/2 minute interval, etc., up to a  
NEVER use emergency release handle unless garage  
doorway is clear of persons and obstructions.  
NEVER use handle to pull door open or closed. If rope  
knot becomes untied, you could fall.  
maximum of four blinks and 4-1/2 minutes.  
The door should be fully  
closed if possible. Pull down  
on the emergency release  
handle and lift the door  
manually. To reconnect the  
door to the opener, press  
the door control push bar.  
When using the opener lights as working lights, we  
recommend that you first disable the motion sensor  
See Automatic Light Feature, following.  
Trolley  
Release  
Arm  
Automatic Light Feature: The opener light will  
turn on automatically when a person enters the  
garage. When a person walks in front of the door  
control, the light will come on for five minutes, then  
shut off. This feature works by detecting body heat  
and may not work in temperatures around 100˚F.  
Emergency  
Release  
Handle  
NOTICE  
(Pull Down)  
The lockout feature  
MANUAL DISCONNECT  
POSITION  
prevents the trolley from  
reconnecting automatically,  
Pull the emergency release  
handle down and back  
(toward the opener). The  
door can then be raised and  
lowered manually as often  
as necessary. To disengage  
the lockout feature, pull the  
handle straight down. The  
trolley will reconnect on the  
next UP or DOWN  
To disable this feature, slide the Detector Switch on  
the right side of the door control down (off).  
We recommend that you disable the motion sensor  
when using the opener lights as working lights.  
Otherwise, they will turn off automatically if you are  
working beyond the sensor’s range.  
Trolley  
Release  
Arm  
Lock feature  
Emergency  
Release Handle  
(Pull Down & Back  
Towards Opener)  
Designed to prevent operation of the door from hand-  
held remote controls. However, the door will open  
and close from the Door Control, the Outdoor Key  
Switch and the Keyless Entry Accessories.  
NOTICE  
LOCKOUT POSITION  
operation.  
To activate, press and hold the Lock button for 2  
seconds. The push bar indicator light will flash as  
long as the Lock feature is on.  
To turn off, press and hold the Lock button again for  
2 seconds. The push bar light will stop flashing. The  
Lock feature will also turn off whenever the learn  
button on the motor unit panel is activated.  
28  
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CARE OF YOUR OPENER  
LIMIT AND FORCE ADJUSTMENTS:  
MAINTENANCE SCHEDULE  
Once a Month  
Weather conditions may  
cause some minor changes  
• Manually operate door. If it is unbalanced or  
binding, call a trained door systems technician.  
INCREASE INCREASE  
DOWN  
UP  
TRAVEL TRAVEL  
in door operation requiring  
some re-adjustments,  
particularly during the first  
year of operation.  
• Check to be sure door opens & closes fully. Adjust  
limits and/or force if necessary. (See pages 24  
and 25.)  
LIMIT CONTROLS  
(Left panel)  
Pages 24 and 25 refer to  
the limit and force  
adjustments. Only a  
screwdriver is required.  
Follow the instructions  
carefully.  
9
9
1
1
• Repeat the safety reverse test. Make any  
necessary adjustments. (See Adjustment Step 3.)  
7
7
3
3
5
5
Kg  
Kg  
Once a Year  
Open Force  
Close Force  
• Oil door rollers, bearings and hinges. The opener  
does not require additional lubrication. Do not  
grease the door tracks.  
FORCE CONTROLS  
(Right panel)  
Repeat the safety reverse test (Adjustment  
Step 3, page 26) after any adjustment of limits or  
force.  
WARNING  
THE REMOTE CONTROL BATTERY  
To prevent possible SERIOUS INJURY or DEATH:  
NEVER allow small children near batteries.  
• If battery swallowed, immediately notify doctor.  
The lithium battery should produce power  
for up to 5 years. To replace battery,  
use the visor clip or screwdriver  
blade to pry open the case as  
shown. Insert battery positive  
side up.  
NOTICE: To comply with FCC and or Industry Canada rules, adjustment or modifications  
of this receiver and/or transmitter are prohibited, except for changing the code setting or  
replacing the battery. THERE ARE NO OTHER USER SERVICEABLE PARTS.  
Tested to Comply with FCC Standards FOR HOME OR OFFICE USE. Operation is subject to  
the following two conditions: (1) this device may not cause harmful interference, and  
(2) this device must accept any interference received, including interference that may  
cause undesired operation.  
Dispose of old battery properly.  
Having a Problem?  
3. The door operates from the Door Control, but  
not from the remote control:  
1. The opener doesn't operate from either the  
Door Control or the remote control:  
• Is the door push bar flashing? If your model has  
the Lock feature, make sure it is off.  
• Does the opener have electric power? Plug a lamp  
into the outlet. If it doesn't light, check the fuse box  
or the circuit breaker. (Some outlets are controlled  
by a wall switch.)  
• Have you disabled all door locks? Review  
installation instruction warnings on page 7.  
• Program the opener to match the remote control  
code. (Refer to instructions on the motor unit  
panel.) Repeat with all remotes.  
4. The remote control has short range:  
• Change the location of the remote control in your  
car.  
• Is there a build-up of ice or snow under the door?  
The door may be frozen to the ground. Remove  
any restriction.  
• The garage door spring may be broken. Have it  
replaced.  
• Repeated operation may have tripped the overload  
protector in the motor. Wait 15 minutes and try  
again.  
• Check to be sure the antenna on the side or back  
panel of motor unit extends fully downward.  
• Some installations may have shorter range due to  
a metal door, foil backed insulation, or metal  
garage siding.  
5. Opener noise is disturbing in living quarters of  
home:  
2. Opener operates from the remote, but not from  
the Door Control:  
• If operational noise is a problem because of  
proximity of the opener to the living quarters, the  
Vibration Isolator Kit 41A3263 can be installed.  
This kit was designed to minimize vibration to the  
house and is easy to install.  
• Is the door control lit? If not, reverse the wires. If  
the opener runs, check for a faulty wire connection  
at the door control, a short under the staples, or a  
broken wire.  
• Are the wiring connections correct? Review  
Installation Step 6, page 14.  
29  
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11. The door reverses for no apparent reason and  
opener lights blink for 5 seconds after  
reversing:  
Having a Problem? (Continued)  
6. The garage door opens and closes by itself:  
• Be sure that all remote control push buttons are  
off.  
• Check the safety reversing sensor. Remove any  
obstruction or align the receiving eye. See  
Installation Step 10.  
• Remove the bell wire from the door control  
terminals and operate from the remote only. If this  
solves the problem, the door control is faulty  
(replace), or there is an intermittent short on the  
wire between the door control and the motor unit.  
12. The opener lights don't turn on:  
• Replace the light bulbs (100 watts maximum). Use  
a standard neck garage door opener bulb if regular  
bulb burns out.  
• Clear memory and re-program all remote controls.  
13. The opener lights don't turn off:  
7. The door doesn't open completely:  
• Is the Light feature on? Turn it off.  
• Is something obstructing the door? Is it out of  
balance, or are the springs broken? Remove the  
obstruction or repair the door.  
14. The opener strains or maximum force is  
needed to operate door:  
• The door may be out of balance or the springs  
may be broken. Close the door and use the  
emergency release handle to disconnect the  
trolley. Open and close the door manually. A  
properly balanced door will stay in any point of  
travel while being supported entirely by its springs.  
If it does not, disconnect the opener and call a  
trained door systems technician. Do not increase  
the force to operate the opener.  
• If the door is in good working order but now  
doesn't open all the way, increase the up force.  
See Adjustment Step 2.  
• If the door opens at least 5 feet, the travel limits  
may need to be increased. One turn equals 2  
inches of travel. See Adjustment Step 1.  
Repeat the safety reverse test after the adjustment is  
complete.  
8. The door stops but doesn't close completely:  
15. The opener motor hums briefly, then won't  
work:  
• Review the travel limits adjustment procedures on  
page 24.  
• The garage door springs may be broken. See  
above.  
Repeat the safety reverse test after any adjustment  
of door arm length, close force or down limit.  
• If the problem occurs on the first operation of the  
opener, door may be locked. Disable the door lock.  
9. The door opens but won't close:  
Repeat the safety reverse test after the adjustment is  
complete.  
• If the opener lights blink, check the safety  
reversing sensor. See Installation Step 10.  
16. The opener won't operate due to power  
failure:  
• If the opener lights don’t blink and it is a new  
installation, check the down force. See Adjustment  
Step 2, page 25. For an existing installation, see  
below.  
• Use the emergency release handle to disconnect  
the trolley. The door can be opened and closed  
manually. When power is restored, press the Door  
Control push bar and trolley will automatically  
reconnect (unless trolley is in lockout position.)  
See page 28.  
Repeat the safety reverse test after the adjustment  
is complete.  
10. The door reverses for no apparent reason and  
opener lights don’t blink:  
• The Outside Quick Release accessory (for use on  
garages with no service door) disconnects the  
trolley from outside the garage in case of power  
failure.  
• Is something obstructing the door? Pull the  
emergency release handle. Operate the door  
manually. If it is unbalanced or binding, call a  
trained door systems technician.  
• Clear any ice or snow from the garage floor area  
where the door closes.  
• Review Adjustment Step 2 on page 25.  
• If door reverses in the fully closed position,  
decrease the travel limits (Adjustment Step 1).  
Repeat safety reverse test after adjustments to force  
or travel limits. The need for occasional adjustment  
of the force and limit settings is normal. Weather  
conditions in particular can affect door travel.  
30  
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PROGRAMMING  
Your garage door opener has already been programmed at the factory to operate with your hand-held remote  
control. The door will open and close when you press the large push button.  
Below are instructions for programming your opener to operate with additional Securityremote controls.  
To Add an Additional Hand-held Remote Control  
USING THE “LEARN” BUTTON  
USING THE MULTI-FUNCTION DOOR CONTROL  
9
1
9
1
7
3
7
3
5
5
K
G
K
G
LOCK  
LIGHT  
1. Press and release the learn”  
button on the motor unit. The  
learn indicator light will glow  
steadily for 30 seconds.  
1. Press and hold the button on the  
hand-held remote* that you wish  
to operate your garage door.  
2. While holding the remote button,  
press and hold the LIGHT button  
on the Multi-Function Door  
Control.  
2. Within 30 seconds, press and  
hold the button on the hand-held  
remote* that you wish to operate  
your garage door.  
LOCK  
LIGHT  
3. Continue holding both buttons  
while you press the push bar on  
the Multi-Function Door Control  
(all three buttons are held).  
3. Release the button when the  
motor unit lights blink. It has  
learned the code. If light bulbs are  
not installed, two clicks will be  
heard.  
LOCK  
LIGHT  
4. Release buttons when the motor  
unit lights blink. It has learned the  
code. If light bulbs are not  
installed, two clicks will be heard.  
To Erase All Codes From Motor Unit  
Memory  
*3-Channel Remotes  
If supplied with your garage door opener, the large  
button is factory programmed to operate it. Additional  
buttons on any  
Security3-channel  
remote or mini-remote  
To deactivate any unwanted remote,  
first erase all codes:  
Press and the hold “learn” button on  
motor unit until the learn indicator  
light goes out (approximately 6 seconds). All previous  
codes are now erased. Reprogram each remote or  
keyless entry you wish to use.  
can be programmed to  
operate other  
Securitygarage door  
openers.  
31  
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To Add or Change a Keyless Entry PIN  
Note: Your new Keyless Entry must be programmed to operate your garage door opener.  
USING THE “LEARN” BUTTON  
USING THE MULTI-FUNCTION DOOR CONTROL  
9
1
9
1
7
3
7
3
5
5
LOCK  
LIGHT  
1. Press and release the learn”  
button on motor unit. The learn  
indicator light will glow steadily for  
30 seconds.  
NOTE: This method requires two people if the Keyless  
Entry is already mounted outside the garage.  
1. Enter a four digit personal  
identification number (PIN) of your  
choice on the keypad. Then press  
and hold ENTER.  
2. Within 30 seconds, enter a four  
digit personal identification  
number (PIN) of your choice on  
the keypad. Then press and hold  
the ENTER button.  
2. While holding the ENTER button,  
press and hold the LIGHT button  
on the Multi-Function Door  
LOCK  
LIGHT  
3. Release the button when the  
motor unit lights blink. It has  
learned the code. If light bulbs are  
not installed, two clicks will be  
heard.  
Control.  
3. Continue holding the ENTER and  
LIGHT buttons while you press  
the push bar on the Multi-Function  
Door Control (all three buttons are  
held).  
LOCK  
LIGHT  
To change an existing, known PIN  
If the existing PIN is known, it may be changed by one  
person without using a ladder.  
4. Release buttons when the motor  
unit lights blink. It has learned the  
code. If light bulbs are not  
1. Press the four buttons for the present PIN, then  
press and hold the # button.  
installed, two clicks will be heard.  
The opener light will blink twice. Release the #  
button.  
2. Press the new 4-digit PIN you have chosen, then  
press Enter.  
2. Press the temporary 4-digit PIN you have chosen,  
then press Enter.  
The motor unit lights will blink once when the PIN has  
been learned.  
The opener light will blink four times.  
3. To set the number of hours this temporary PIN will  
work, press the number of hours (up to 255), then  
Test by pressing the new PIN, then press Enter. The  
door should move.  
press .  
To set a temporary PIN  
OR  
You may authorize access by visitors or service people  
with a temporary 4-digit PIN. After a programmed  
number of hours or number of accesses, this temporary  
PIN expires and will no longer open the door. It can be  
used to close the door even after it has expired. To set  
a temporary PIN:  
3. To set the number of times this temporary PIN will  
work, press the number of times (up to 255), then  
press #.  
The opener light will blink once when the temporary PIN  
has been learned.  
Test by pressing the four buttons for the temporary PIN,  
then press Enter. The door should move. If the  
temporary PIN was set to a certain number of openings,  
remember that the test has used up one opening.To  
clear the temporary password, repeat steps 1-3, setting  
the number of hours or times to 0 in step 3.  
1. Press the four buttons for your personal entry PIN  
(not the last temporary PIN), then press and hold the  
button.  
The opener light will blink three times. Release the  
button.  
32  
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REPAIR PARTS  
Rail Assembly Parts  
6
3
1
7
4
2
5
KEY  
NO.  
PART  
NO.  
DESCRIPTION  
1
2
3
4
5
6
7
8
4A1008  
Master link kit  
41B5424  
41B3869-1  
109B33  
Belt pulley bracket  
Complete trolley assembly  
Trolley clip  
One-piece T-rail  
Full belt assembly  
Tensioner assembly  
Rail grease  
E
S
A
E
R
IL G  
11-2  
A
R
. 83A  
O
N
8
183B99  
41A5434-1  
41B4103  
83A11-2  
Installation Parts  
4
2
3
1
KEY PART  
NO. NO.  
DESCRIPTION  
LOCK  
LIGHT  
1
2
98LM  
Motion detecting door control panel  
41A5056-20 3-channel remote control housing  
(no circuit board)  
6
3
4
5
6
7
8
9
10A20  
3V2032 Lithium battery  
7
5
29B137  
Remote control visor clip  
41A2828  
217A238  
41A5047-1  
41A4353-1  
41A5034  
Manual rope & handle assy.  
NOTICE  
2-Conductor bell wire, white & white/red  
Door bracket w clevis pin & fastener  
Header bracket w/clevis pin & fastener  
10  
8
9
Safety sensor kit (receiving and  
sending eyes) with 3' 2-conductor bell  
wire attached  
Y
L
N
O
T
N
U
O
M
G
N
I
L
I
E
C
P
U
10  
11  
12  
178B34  
Straight door arm section  
Curved door arm section  
Safety sensor brackets (2)  
Not shown  
178B35  
12  
41A5266-1  
11  
41A2770-5  
114A2510  
Installation hardware bag  
(includes hardware listed on page 5).  
Owner's manual  
33  
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Motor Unit Assembly Parts  
1
4
2
7
3
7
19  
20  
8
18  
5
16  
9
10  
6
17  
11  
13  
15  
14  
(Down)  
Contact  
LIMIT SWITCH ASSY.  
Brown  
Wire  
D N  
Grey  
Wire  
U P  
Drive  
Gear  
12  
Center Limit  
Contact  
(Up)  
Contact  
Yellow  
Wire  
KEY PART  
KEY PART  
NO. NO.  
NO.  
NO.  
DESCRIPTION  
DESCRIPTION  
11  
41C4842-2 Universal replacement motor &  
1
2
41A4371  
41A4885-5  
Belt cap retainer  
Gear and sprocket assy.,  
Complete with: Spring washer;  
Thrust washer; Retaining ring;  
Bearing plate; Roll pins (2); Drive  
gear and worm gear; Helical gear  
w/retainer and grease  
Drive/worm gear kit w/grease,  
Roll pins (2)  
Line cord  
End panel w/all labels  
Light socket  
bracket assembly, Complete with:  
Motor, worm, bracket, gear case  
bearing assembly, RPM sensor.  
12  
13  
14  
15  
16  
17  
18  
41A5525  
41A2818  
41D3452  
41A5532  
Cover  
Limit switch drive & retainer  
Limit switch assembly  
Gear case  
3
41A2817  
41A2822-1 Interrupter cup assembly  
41C4398A RPM sensor assembly  
41A5483-4 Receiver logic board assembly  
Complete with Logic board  
4
5
6
41B4245-1  
41D5484  
4A1344  
7
8
9
10  
108D68  
30B363  
12A373  
Lens  
19  
20  
41C5499  
41C5500  
41D180-1  
High voltage wire harness  
Low voltage wire harness  
End panel  
Capacitor 1/2 h.p.  
Capacitor bracket  
Terminal block w/screws  
41A3150  
NOT SHOWN  
41A2826-1 Shaft bearing kit  
41A2825  
Opener assembly hardware kit  
(includes screws not designated  
by a number in illustration)  
34  
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ACCESSORIES  
1702LM  
982LM  
Plug-In Light Control:  
Outside Quick Release:  
Enables homeowner to turn on a  
lamp, television or other appliance  
from car, bedside, or anywhere in the  
home with a remote.  
Required for a garage with NO  
access door. Enables homeowner to  
open garage door manually from  
outside by disengaging trolley.  
SECURITY3-Channel  
Remote Control:  
2778LM  
8 Foot Complete Rail:  
973W  
To allow an 8 foot door to open fully.  
Wood grain plastic case.  
Includes visor clip.  
SECURITY4-Channel  
2770LM  
97LM  
10 Foot Complete Rail:  
974LM  
Remote Control:  
To allow an 10 foot door to open fully.  
Includes visor clip.  
Extension Brackets:  
SECURITY3-Channel Mini  
Remote Control:  
970LM  
98LM  
(Optional) For safety sensor  
installation onto the wall or floor.  
With key ring and velcro fastening  
strip.  
SECURITYKeyless Entry:  
Motion Detecting Control Panel:  
976LM  
Enables homeowner to operate  
garage door opener from outside by  
entering a password on a specially  
designed keyboard. Also can add a  
temporary password for visitors or  
service persons. This temporary  
password can be limited to a  
programmable number of hours or  
entries.  
Multi-function door control with motion  
sensor that automatically turns opener  
lights on for 5 minutes when it detects  
a person entering the garage. Sensor  
can be easily deactivated when  
desired.  
LOCK  
LIGHT  
35  
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LIFTMASTER SERVICE IS  
ON CALL  
HOW TO ORDER  
REPAIR PARTS  
Selling prices will be furnished on request or parts will  
be shipped at prevailing prices and you will be billed  
accordingly.  
OUR LARGE SERVICE ORGANIZATION  
SPANS AMERICA  
WHEN ORDERING REPAIR PARTS, ALWAYS GIVE  
THE FOLLOWING INFORMATION:  
INSTALLATION AND SERVICE INFORMATION IS AS  
NEAR AS YOUR TELEPHONE SIX DAYS A WEEK.  
SIMPLY DIAL OUR TOLL FREE NUMBER:  
• PART NUMBER  
• PART NAME  
1-800-528-2817  
HOURS: (Central Std. Time)  
6:00 A.M. TO 7:00 P.M. - Monday through Friday  
8:00 A.M. TO 6:00 P.M. - Saturday  
• MODEL NUMBER  
ADDRESS ORDERS TO:  
THE CHAMBERLAIN GROUP, INC.  
Technical Support Group  
6020 S. Country Club Road  
Tucson, Arizona 85706  
For professional installation, parts and service,  
contact your local LIFTMASTER/CHAMBERLAIN  
dealer. Look for him in the Yellow Pages, or call our  
Service number for a list of dealers in your area.  
SERVICE INFORMATION  
TOLL FREE NUMBER:  
1-800-528-2817  
LIFTMASTER GARAGE DOOR OPENER FIVE-YEAR LIMITED WARRANTY  
The Chamberlain Group, Inc., (Seller) warrants, to the first retail purchaser of this product, for the residence in which this product is  
originally installed, that it will be free from any defect in materials and/or workmanship for a period of 60 full months from the date of  
purchase. Additionally, the motor and drive belt are warranted for the lifetime of the product. The product must be used in complete  
accordance with Chamberlains instructions for installation, operation and care. The proper operation of this product is dependent on  
your compliance with the Owner’s Manual instructions regarding installation, operation, maintenance and testing. Failure to  
comply strictly with those instructions will void this warranty in its entirety. Please note that the safety reverse system, in order  
to operate properly with your garage door, must be adjusted and periodically tested in accordance with the Owner’s Manual.  
If, during the limited warranty period, it appears as though this product contains a defect which is covered by this limited warranty, CALL  
OUR TOLL FREE SERVICE NUMBER, BEFORE DISMANTLING THIS PRODUCT, AT (1-800-528-2817). Then send this product, pre-  
paid and insured, to our service center for warranty repair. You will be advised of shipping instructions when you call the toll free service  
number. Please include a brief description of the problem and a dated proof-of-purchase receipt with any product that is returned for  
warranty repair.  
Products returned to Seller for warranty repair, which upon receipt by Seller are confirmed to be defective and covered by this limited  
warranty, will be repaired or replaced (at Sellers sole option) at no cost to you and returned pre-paid. Defective parts will be repaired  
or replaced with new or factory-rebuilt parts at Sellers sole option.  
THIS LIMITED WARRANTY IS IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING ANY IMPLIED  
WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, OR OTHERWISE, AND OF ANY OTHER  
OBLIGATIONS OR LIABILITY ON SELLER’S PART. THIS LIMITED WARRANTY DOES NOT COVER NON-DEFECT DAMAGE,  
DAMAGE CAUSED BY IMPROPER INSTALLATION, OPERATION OR CARE (INCLUDING, BUT NOT LIMITED TO ABUSE,  
MISUSE, FAILURE TO PROVIDE REASONABLE AND NECESSARY MAINTENANCE, OR ANY ALTERATIONS TO THIS  
PRODUCT), LABOR CHARGES FOR DISMANTLING OR REINSTALLING A REPAIRED OR REPLACED UNIT, REPLACEMENT  
OF BATTERIES AND LIGHT BULBS, OR UNITS INSTALLED FOR NON-RESIDENTIAL USE.  
THIS LIMITED WARRANTY DOES NOT COVER ANY PROBLEMS WITH, OR RELATING TO, THE GARAGE DOOR OR GARAGE  
DOOR HARDWARE, INCLUDING BUT NOT LIMITED TO THE DOOR SPRINGS, DOOR ROLLERS, DOOR ALIGNMENT AND  
HINGES. ANY SERVICE CALL THAT DETERMINES THE PROBLEM HAS BEEN CAUSED BY ANY OF THESE ITEMS COULD  
RESULT IN A FEE TO YOU.  
UNDER NO CIRCUMSTANCES SHALL SELLER BE LIABLE FOR CONSEQUENTIAL, INCIDENTAL OR SPECIAL DAMAGES  
ARISING IN CONNECTION WITH THE USE OF, OR INABILITY TO USE, THIS PRODUCT. IN NO EVENT SHALL SELLER’S  
LIABILITY FOR BREACH OF WARRANTY, BREACH OF CONTRACT, NEGLIGENCE OR STRICT LIABILITY EXCEED THE COST  
OF THE PRODUCT COVERED HEREBY. NO PERSON IS AUTHORIZED TO ASSUME FOR US ANY OTHER LIABILITY IN  
CONNECTION WITH THE SALE OF THIS PRODUCT.  
Some states do not allow the exclusion or limitation of consequential, incidental or special damages, so the above limitation or exclusion  
may not apply to you. This limited warranty gives you specific legal rights, and you may also have other rights which vary from state to  
state.  
LIFETIME MOTOR AND BELT WARRANTY  
The motor and belt are fully warranted for the lifetime of the product to the first-time purchaser.  
© 2001, The Chamberlain Group, Inc.  
114A2510  
All Rights Reserved  
Printed in Mexico  
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