Chamberlain Garage Door Opener 1145 1 3HP User Manual

Chamberlain Manufacturing Canada, Inc. Unit 11,  
230 Bayview Drive Barrie, Ontario L4N 5E9  
Owner's Manual  
Garage Door Opener  
(1100 Series -- Canada)  
FOR RESIDENTIAL USE ONLY  
CAUTION! PLEASE READ THIS MANUAL CAREFULLY  
The MODEL NUMBER label is located on the front panel of your opener  
CONTENTS  
PAGE  
CONTENTS  
PAGE  
Safety Rules............................................................. 2  
Carton Inventory....................................................... 3  
Features of Your Opener........................................... 3  
Specifications ........................................................... 3  
Accessories.............................................................. 4  
Completed Installation Illustration ............................. 5  
Installation Information ............................................. 5  
Operation of Your Opener......................................... 6  
Care and Maintenance of Your Opener ..................... 7  
Assembly.................................................................. 8  
Installation................................................................ 10  
Limit Adjustment.......................................................20  
Force Adjustment......................................................21  
Safety Reverse Test..................................................22  
The Protector System .............................................22  
Setting/Changing Code .............................................23  
Having a Problem? ...................................................24  
Repair Parts, Rail Assembly......................................26  
Repair Parts, Installation...........................................26  
Repair Parts, Opener Assembly ................................27  
How To Order Repair Parts.......................................28  
Warranty...................................................................28  
FASTEN THIS MANUAL NEAR THE GARAGE DOOR AFTER INSTALLATION.  
PERIODIC CHECKS OF THE OPENER ARE REQUIRED TO INSURE SATISFACTORY OPERATION.  
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START BY READING THESE IMPORTANT SAFETY RULES  
THIS SAFETY ALERT SYMBOL MEANS CAUTION—PERSONAL SAFETY OR PROPERTY DAMAGE  
INSTRUCTION. READ THESE INSTRUCTIONS CAREFULLY.  
THIS GARAGE DOOR OPENER IS DESIGNED AND TESTED TO OFFER REASONABLY SAFE SERVICE  
PROVIDED IT IS INSTALLED AND OPERATED IN STRICT ACCORDANCE WITH THE FOLLOWING  
SAFETY INSTRUCTIONS.  
FAILURE TO COMPLY WITH THE FOLLOWING INSTRUCTIONS MAY RESULT IN SERIOUS  
PERSONAL INJURY OR PROPERTY DAMAGE.  
CAUTION: IF YOUR GARAGE HAS NO SERVICE ENTRANCE DOOR, INSTALL MODEL 7702 EMERGENCY RELEASE  
KEYLOCK. THIS ACCESSORY ALLOWS MANUAL OPERATION OF THE GARAGE DOOR FROM OUTSIDE IN CASE OF  
POWER FAILURE.  
KEEP GARAGE DOOR BALANCED. Sticking or  
THE SAFETY REVERSE SYSTEM TEST IS VERY  
binding doors must be repaired. Garage doors,  
IMPORTANT (page 22). Your garage door MUST  
door springs, cables, pulleys, brackets and their  
reverse on contact with a 1-inch obstacle placed  
hardware are under extreme tension and can  
on the floor. Failure to properly adjust the  
cause serious personal injury. DO NOT ATTEMPT  
opener may result in serious personal injury  
TO LOOSEN, MOVE OR ADJUST THEM. Call for  
from a closing garage door. REPEAT THE TEST  
garage door service.  
ONCE A MONTH AND MAKE ANY NEEDED  
ADJUSTMENTS.  
DO NOT WEAR RINGS, WATCHES OR LOOSE  
CLOTHING while Installing or servicing a garage  
door opener.  
Fasten the CAUTION LABEL adjacent to the door  
control button as a reminder of safe operating  
procedures.  
To avoid serious personal injury from  
entanglement, REMOVE ALL THE  
ROPES  
CONNECTED TO GARAGE DOOR before  
installing the garage door opener.  
Install door control button (or any additional  
push buttons) IN A LOCATION WHERE GARAGE  
DOOR IS VISIBLE, BUT OUT OF THE REACH OF  
CHILDREN. DO NOT ALLOW CHILDREN TO  
OPERATE PUSH BUTTON(S) OR REMOTE  
CONTROL TRANSMITTER. Serious personal  
injury from a closing garage door may result  
from misuse of the opener.  
DISENGAGE ALL EXISTING GARAGE DOOR  
LOCKS to avoid damage to garage door.  
Installation and wiring must be in compliance with  
your local building and electrical codes.CONNECT  
CAUTION: Activate opener only when the door is  
in full view, free of obstructions and opener is  
properly adjusted. NO ONE SHOULD ENTER OR  
LEAVE THE GARAGE WHILE DOOR IS IN  
MOTION. DO NOT ALLOW CHILDREN TO PLAY  
NEAR THE DOOR.  
THE POWER CORD ONLY TO  
GROUNDED OUTLET.  
A
PROPERLY  
LIGHTWEIGHT DOORS OF FIBERGLASS,  
ALUMINUM OR STEEL MUST BE  
SUBSTANTIALLY REINFORCED TO AVOID  
DOOR DAMAGE. (See page 17.) The best  
solution is to check with your garage door  
manufacturer for an opener installation  
reinforcement kit.  
Use manual release ONLY to disengage the  
trolley and, if possible, ONLY when the door Is  
closed. DO NOT USE THE RED HANDLE TO  
PULL DOOR OPEN OR CLOSED.  
DO NOT USE THE FORCE ADJUSTMENTS TO  
COMPENSATE FOR A BINDING OR STICKING  
garage door. Excessive force will interfere with  
the proper operation of the safety reverse  
system or damage the garage door (page 21).  
DISCONNECT ELECTRIC POWER TO GARAGE  
DOOR OPENER BEFORE MAKING REPAIRS OR  
REMOVING COVERS.  
2
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OPENER CARTON INVENTORY: Your garage door opener is packaged in two cartons which contain all parts  
illustrated below and on page 26. Hardware for assembly and installation are listed below.  
Light Lenses (2)  
Model 1160 and  
Model 1150  
Remote Control  
Transmitter (1)  
Light Lens (1)  
Model 1145  
Rail Grease  
Sprocket  
Cover  
HARDWARE BAG CONTENTS  
2 clevis pins, 5/16"-1"  
1 clevis pin, 5/16"-2-3/4"  
2 screws, 6ABx1" slotted pan head  
3 ring fasteners  
Insulated staples  
6 lock washers, 5/16  
6 nuts, 5/16"-18 x 1/2"  
2 carriage bolts, 5/16"-18 x 2-1/2"  
4 screws, 5/16"-18 x 7/8"  
4 lag screws 5/16" x 1-7/8"  
Manual release rope  
Manual release handle  
Handy Hints label  
Anchors (2)  
FEATURES OF YOUR OPENER  
1. Opener Light(s): Turns on and off automatically with 4 1/2  
minute illumination for your safety and convenience. On Models  
1160 and 1150, Light switch feature on Multi-Function Control  
Panel can be activated for constant light. (Optional  
accessory available for other models.)  
3. Safety System: Independent up and down force adjustment.  
The door REVERSES automatically when obstructed in  
direction. The door STOPS when obstructed in UP direction.  
4. Manual Release Handle: Pull cord disconnect permits manual  
door operation in case of an emergency or power failure.  
2. Lock Switch Feature - (Standard on Models 1160, 1150;  
optional on other models): When Lock Switch feature is activated  
on the Multi-Function Control Panel, the opener will not operate  
from portable remote control transmitters. The door will OPEN  
from the door control button, Key Switch and Wireless Keyless  
Entry System accessories, described below.  
5. Automatic Reconnect: Trolley halves reconnect for automatic  
operation when opener is activated after a manual disconnect.  
6. Motor Power: Permanently lubricated motor with automatic  
reset.  
Door will CLOSE if door button is pressed and held through a  
complete down cycle. If the door button is released before  
travel is complete door will reverse.  
7. Digital Radio Controls: Codes can be set and changed easily  
and as often as you would like.  
8. Easy Limit Adjustment: Limits of door opening and closing  
adjusted by turning screws without removing chassis cover.  
SPECIFICATIONS  
MOTOR  
SAFETY  
Type..........................................Permanent split capacitor  
Speed .......................................1500 rpm  
Personal................................... Push button and automatic  
reversal in down direction. Push  
Volts .........................................120 Volts ?AC - 60 Hz. Only  
Current .....................................4.5 amperes  
button and automatic stop in UP  
direction.  
Electronic..................................Independent UP and DOWN  
force adjustment screws.  
DRIVE MECHANISM  
Electrical...................................Motor overload protector and low  
voltage push button wiring.  
Limit device.............................. Circuit actuated by limit nut  
Limit adjustment...................... .Screwdriver adjustment on side  
panel.  
Gears........................................16:1 worn gear reduction  
Drive ......................................... Full chain with two-piece trolley  
on  
................................................. steel T-rail  
Length of travel.........................Adjustable to 7 1/2 feet  
Travel rate.................................On when door starts to travel, off 4  
1/2 minutes after stop. Models  
Start circuit............................... Low voltage push button or  
radio control.  
1160 and 1150 have separate  
DIMENSIONS  
Light Switch feature.  
Door Linkage............................ Adjustable door arm. Pull cord  
trolley release.  
Length (overall) ........................ 124 inches  
128 inches (Models 1160, 1150)  
Headroom required .................. 2 inches  
Hanging weight ........................ 32 pounds  
3
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ACCESSORIES  
Many useful accessories are available for your garage door opener. They are illustrated below with model numbers and  
descriptions.  
Model 61LM  
Model 1710  
STANDARD REMOTE CONTROL  
TRANSMITTER:  
10-FT T-RAIL:  
Fully assembled 10-ft. T-rail with full  
chain. Allows 10-foot garage doors  
to open fully  
Single-Function with visor clip  
.
Model 56  
Model 62LM  
2-CHANNEL REMOTE CONTROL  
TRANSMITTER:  
MULTI-FUNCTION CONTROL  
PANEL:  
Provides  
a
Lock Switch feature  
With visor clip.  
which prevents operation of garage  
door opener from remote control  
transmitters and  
feature for constant light.  
a
Light Switch  
Model 63LM  
Model 64LM  
MULTI-FUNCTION REMOTE  
CONTROL TRANSMITTER:  
Model 60  
OUTSIDE KEYLOCK:  
With visor clip.  
Opens garage door automatically  
from outside when transmitter is not  
handy  
MINI MULTI-FUNCTION REMOTE  
CONTROL TRANSMITTER:  
Model 1702  
OUTSIDE QUICK RELEASE  
LOCK:  
With key ring.  
REQUIRED for a garage with NO  
service door.  
KEYLESS ENTRY SYSTEM:  
Enables homeowner to operate  
garage door opener from outside by  
entering code on specially designed  
keypad.  
Model 66LM  
Allows manual operation of garage  
door from outside in case of power  
failure .  
Model 70  
"THE PROTECTOR SYSTEM":  
Provides auxiliary support to the safety  
features built into your opener. The  
system's invisible beam, when broken by  
an obstruction, causes a closing door to  
open and prevents an open door from  
8-FT T-RAIL:  
Model 1708  
Fully assembled 8-ft. T-rail with full  
chain. Allows 8-ft. garage doors to  
open fully  
closing. Strongly recommended  
homeowners with young children.  
for  
BEFORE YOU BEGIN, PLEASE TAKE SOME TIME TO CAREFULLY EXAMINE THE  
ILLUSTRATIONS ON THE FOLLOWING PAGE OF A TYPICAL GARAGE DOOR OPENER  
INSTALLATION ON BOTH A SECTIONAL AND A ONE-PIECE DOOR.  
Some installation instructions vary for sectional and one-piece doors. Follow only those  
instructions which apply to your door type.  
Do you have a finished ceiling in your garage? If so, you will need a support bracket  
and additional fastening hardware. Refer to Step 4, Page 13 for specific requirements.  
Do you have a lightweight or metal door (or does it have glass panels)? If so,  
horizontal and vertical reinforcement is required. Refer to Step 8, Page 17.  
4
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5
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Operation of Your Opener  
CAUTION  
• BEFORE YOU PROCEED, PLEASE READ THE SAFETY  
RULES ON PAGE 2 AND OPERATING INSTRUCTIONS  
ON THIS PAGE CAREFULLY.  
• DO NOT PERMIT CHILDREN TO PLAY IN DOOR AREA.  
• OPERATE ONLY WHEN OPENER IS PROPERLY  
ADJUSTED AND THE DOOR IS VISIBLE AND  
UNOBSTRUCTED.  
• T0 AVOID DIFFICULTY DURING INSTALLATION, DO NOT  
RUN OPENER UNTIL INSTRUCTED TO DO SO.  
OPENER LIGHT(S) will turn on under the following  
conditions: when the opener is initially plugged in; when  
the power is interrupted; when the opener is activated.  
Light(s) turns off automatically after 4 1/2 minutes. Bulb  
size is 75 Watts maximum. If the Multi - Function Control  
Panel (with the Light Switch Feature) is installed, the light  
can remain ON or turn OFF before the automatic cycle is  
completed, if desired.  
HOW TO ACTIVATE THE OPENER  
Use any of Operation following devices:  
1. The Remote Control Transmitter. Hold the push  
button down until the door starts to move.  
2. The Door Control Button. Hold the button down until  
the door starts to move.  
3. The Outside Keylock or Keyless Entry System (if  
you have installed either of these accessories).  
HOW TO OPERATE THE DOOR MANUALLY  
THE DOOR SHOULD BE FULLY CLOSED IF POSSIBLE.  
WEAK OR BROKEN SPRINGS COULD ALLOW AN OPEN  
DOOR TO FALL RAPIDLY. PROPERTY DAMAGE OR  
SERIOUS PERSONAL INJURY COULD RESULT. DO  
NOT USE THE MANUAL RELEASE HANDLE TO PULL  
THE DOOR OPEN OR CLOSED.  
HOW THE DOOR MOVES WHEN THE OPENER IS  
ACTIVATED  
1. If open, the door will close. If closed, the door will  
open.  
2. If closing, the door will reverse.  
3. If opening, the door will stop (allowing space for entry  
and exit of pets and for fresh air).  
Disconnect the door from the opener by pulling down  
sharply on the red handle. Lift the door manually. To  
automatically reconnect the door to the opener, press the  
Door Control Button.  
4. If the door has been stopped in a partially open  
position, it will close.  
5. If an obstruction is encountered while closing, the door  
will reverse.  
6. If an obstruction is encountered while opening, the door  
will stop.  
7. The optional Protector System uses an invisible beam  
which, when broken by an obstruction, causes a closing door  
from closing door to open and prevents an open door from  
closing. It is STRONGLY RECOMMENDED for homeowners  
with young children.  
LOCKOUT FEATURE: prevents the trolley from  
reconnecting automatically. If you need to use this feature,  
pull the Manual Release Handle down and back (toward the  
opener). Trolley will remain “Locked-Out” and the door can  
be raised and lowered manually. To reconnect trolley, pull  
t
6
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CARE OF THE OPENER  
When properly installed, opener will provide high  
CHAIN TENSION ADJUSTMENT: After installation of the  
opener and adjustment of forces and limits, the chain may  
appear loose. This is normal.  
performance with a minimum of maintenance. The opener  
does not require additional lubrication.  
Most complaints of unsatisfactory opener operation can  
be traced to problems with the door itself. When operated  
manually, a properly balanced door will stay in any point  
of travel while being supported entirely by its springs.  
TO CHECK THE CHAIN TENSION: Disconnect the trolley  
by pulling the red handle. If the chain returns to the  
position described and illustrated in Step 3 page 9, DO  
NOT make ANY further adjustments.  
REMOTE CONTROL TRANSMITTER: The portable  
remote control may be secured to a car sun visor with the  
clip provided. Additional remotes can be purchased at any  
time for use in all vehicles using garage. Refer to  
Accessories on page 4.  
THE OPENER IS NOT INTENDED TO CORRECT ANY  
PROBLEMS THAT ARE CAUSED BY AN UNBALANCED  
OR BINDING DOOR, BROKEN DOOR SPRINGS OR BY  
FAULTY DOOR HARDWARE.  
Any new remotes must be set to the same code as the  
original remote. Code setting procedures are described on  
page 23.  
LIMIT AND FORCE ADJUSTMENTS: These adjustments  
must be checked and properly set when opener is installed.  
Only a screwdriver is required. Pages 20 and 21 refer to the  
limit and force adjustments. Follow the instructions carefully.  
REMOTE CONTROL BATTERY: The 12 Volt battery  
should produce power for at least one year. As long as  
there is adequate power, the transmitter battery test light  
will glow when the push button is pressed (and the opener  
will operate). When the light becomes dim or does not  
come on, replace the battery. If transmission range  
lessens, check the battery test light.  
REPEAT THE SAFETY REVERSE TEST AFTER ANY  
ADJUSTMENT. Weather conditions may cause some  
minor changes in the door operation, requiring some  
readjustments, particularly during the first year of  
operation.  
TO CHANGE BATTERY: Slide the battery compartment  
cover back. Discard the old battery and Position the new  
battery as indicated on the case.  
THE SAFETY REVERSE SYSTEM IS IMPORTANT (SEE  
GARAGE DOOR MUST REVERSE ON CONTACT WITH  
A
1-lNCH OBSTACLE PLACED ON THE FLOOR.  
FAILURE TO PROPERLY ADJUST OPENER MAY  
RESULT IN SERIOUS PERSONAL INJURY FROM A  
CLOSING GARAGE DOOR.  
MAINTENANCE OF YOUR OPENER  
ONCE A MONTH  
TWICE A YEAR  
MANUALLY OPERATED DOOR. If it is unbalanced or  
binding, call for professional garage door service.  
CHECK TO BE SURE DOOR OPENS & CLOSES FULLY.  
Adjust Limits and/or Force if necessary.  
CHECK CHAIN TENSION. Adjust if necessary.  
ONCE A YEAR  
OIL DOOR ROLLERS, BEARINGS AND HINGES.  
REPEAT SAFETY REVERSE TEST. Make any necessary  
adjustments (See Page 22).  
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TO AVOID INSTALLATION DIFFICULTIES,  
DO NOT RUN OPENER UNTIL YOU ARE  
INSTRUCTED TO DO SO.  
ASSEMBLY STEP 1  
Attach T-Rail To Opener  
USE ONLY THOSE SCREWS MOUNTED IN  
TOP OF OPENER. FAILURE TO DO SO  
WILL CAUSE SERIOUS DAMAGE TO THE  
DOOR OPENER.  
PROCEDURE: remove the two washered screws mounted  
in top of opener. Position T-Rail at a 45 degree angle to  
opener so one hole in T-rail and opener line up. Thread one  
of the washered screws part way in.  
CAUTION: USE ONLY THESE SCREWS! Use of any  
other screws will cause serious damage to door  
opener.  
Align T-rail and styrofoam over opener sprocket. Cut tape  
from T-rail, chain and styrofoam.  
REMOVE STYROFOAM. Proceed to Step 2.  
ASSEMBLY STEP 2  
Attach Chain to Sprocket  
PROCEDURE: Position chain over opener sprocket. If  
necessary, loosen inner nut on trolley to obtain more  
chain slack. Insert second washered screw.  
CAUTION: Use only the screw previously removed  
from opener  
Tighten both screws securely through the T-rail into  
opener as shown.  
Insert back tab of sprocket cover in slot; then bend the  
cover forward and insert front tab in slot provided on  
mounting Plate.  
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ASSEMBLY STEP 3  
Tighten the Chain Assembly  
CAUTION: Keep the chain from twisting as nuts are  
turned  
PROCEDURE: Thread inner nut on the trolley in the  
direction shown. Loosen outer nut, if necessary.  
Tension is correct when the chain is approximately 1/2"  
above the base of the T-rail, midway between the pulley  
bracket and the opener.  
To maintain proper tension, tighten outer nut as shown  
Sprocket noise can result if chain Is either too loose  
or too tight.  
CAUTION: Do not overtighten the chain. Refer to  
Page 7.  
ASSEMBLY OF YOUR GARAGE DOOR OPENER IS NOW COMPLETE  
BEFORE BEGINNING THE INSTALLATION OF YOUR GARAGE DOOR OPENER, BE SURE TO  
COMPLY WITH ALL THE SAFETY RULES.  
DO NOT WEAR WATCHES, RINGS OR  
LOOSE CLOTHING WHILE INSTALLING  
OR SERVICING A GARAGE DOOR  
OPENER.  
KEEP  
GARAGE  
DOOR  
BALANCED.  
STICKING OR BINDING DOORS MUST BE  
REPAIRED. THE GARAGE DOOR, DOOR  
SPRINGS, CABLES, PULLEYS, BRACKETS  
AND THEIR HARDWARE ARE UNDER  
EXTREME TENSION AND CAN CAUSE  
SERIOUS PERSONAL INJURY. DO NOT  
ATTEMPT TO LOOSEN, MOVE OR  
ADJUST THEM. CALL FOR GARAGE  
DOOR SERVICE  
IT IS RECOMMENDED THAT THE GARAGE DOOR OPENER BE INSTALLED 7 FEET OR MORE ABOVE THE  
FLOOR. WHERE SPACE PERMITS.  
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INSTALLATION STEP 1  
Position and Install Header Bracket  
Installation procedures vary according to garage  
door types. Follow the instructions which apply to  
your door.  
THE HEADER BRACKET MUST BE RIGIDLY  
FASTENED TO HEADER WALL. REINFORCE  
WALL WITH A 2x4 IF NECESSARY. FAILURE TO  
COMPLY  
MAY  
RESULT  
IN  
IMPROPER  
OPERATION OF SAFETY REVERSE SYSTEM  
(SEE PAGE 22).  
SECTIONAL DOOR & 1-PIECE DOOR WITH TRACK  
1. Close door and mark the inside vertical centerline of  
garage door. Extend the line onto header wall above  
door.  
NOTE: When the headroom is not sufficient for 2"  
clearance, the bottom edge of bracket may be placed  
in line with the door's high point of travel.  
2. Open door to highest point of travel as shown. Draw  
an intersecting horizontal line on header wall 2" above  
high point. This height will provide travel clearance for  
top edge of door.  
3. Position bracket as shown (centered on vertical  
guideline with bottom edge of bracket on horizontal  
line).  
Mark either top and bottom or left and right bracket  
holes. Drill 3/16" pilot holes and fasten bracket.  
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ONE-PIECE DOOR WITHOUT TRACK  
PLEASE READ AND COMPLY WITH THE WARNINGS ON PAGE 10. THEY APPLY TO THE INSTALLATION OF  
THE HEADER BRACKET REGARDLESS OF DOOR TYPE.  
1. Close door and mark inside vertical centerline of  
garage door. Extend line onto header wall above  
door.  
EXAMPLE  
Distance from top of door (at  
highest point of travel) to floor  
................................................................................92”  
2. Open door to highest point of travel as shown.  
Measure the distance from top of door to floor.  
Subtract actual height of door. Add 8" to remainder  
(See Example).  
Actual height of door ..............................................-88”  
Remainder.................................................................4"  
Add .........................................................................+8  
Bracket height on header wall ...............................=12”  
(Measure UP from top of CLOSED door.)  
NOTE: If the total number of inches exceeds height  
available In garage, use the maximum height  
possible. On finished ceilings, do not position the  
bracket closer than 1/2" from ceiling.  
POSITION AND FASTEN HEADER BRACKET AS  
DESCRIBED AND SHOWN IN NO. 3 ON PAGE 10.  
PROCEDURE: Position opener on garage floor below  
header bracket. Use packing material as a protective  
base.  
INSTALLATION STEP 2  
Attach the T-Rail to Header Bracket  
NOTE: To enable T-rail to clear sectional door  
springs, it may be necessary to lift opener onto a  
temporary support.  
CAUTION: The opener must either be secured to a  
support or held firmly In place by another person.  
Raise T-rail until pulley and header brackets come  
together. Align bracket holes and join with clevis pin as  
shown. Insert ring fastener to secure.  
11  
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INSTALLATION STEP 3  
Position the Opener  
Follow instructions which apply to your door  
type as illustrated.  
TO PREVENT DAMAGE TO LIGHT WEIGHT  
DOORS AND/OR DOORS WITH WINDOWS, DO  
NOT REST THE OPENER ON THE DOOR.  
INSTALLATION-SECTIONAL DOOR & 1-PIECE DOOR WITH TRACK  
PROCEDURE: Raise the opener onto a stepladder. Open  
garage door. Place a 2x4 on the top section of door near  
centerline as shown. Rest T-rail on 2x4 as shown.  
NOTE: A 2 x4 is convenient for setting an ideal door  
to T-rail distance. It is not necessary where  
headroom is insufficient.  
INSTALLATION - 1-PIECE DOOR WITHOUT TRACK  
The top of the door should be level with the top of  
opener. For maximum efficiency, do not position opener  
more than 2 inches above this point.  
PROCEDURE: Measure the distance from floor to top of  
door (in fully open position and parallel to the floor). Using  
a stepladder as a support, raise opener to the same  
distance from the floor (it will have a slight angle as  
shown).  
12  
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INSTALLATION STEP 4  
Hang the Opener  
THE OPENER MUST BE SECURELY  
FASTENED TO A STRUCTURAL SUPPORT  
OF THE GARAGE.  
Three representative installations are shown. Yours may be different. Hanging brackets should  
be angled (Fig.1) or crossed (Fig.2) to provide rigid support. On finished ceilings (Fig.3), attach a  
sturdy metal bracket (not supplied) to ceiling joists before installing opener.  
PROCEDURE: Measure the distance from EACH side of  
the opener to the structural support.  
Cut both pieces of the hanging bracket to required  
lengths. Flatten one end of each bracket and bend or  
twist to fit the fastening angles. Do not bend at the  
bracket holes. Drill 3/16" pilot holes in structural  
supports. Attach flattened ends of brackets to the  
supports with 5/16"x1-7/8" lag screws.  
Lift opener and fasten to hanging bracket as shown.  
Check to make sure the T-rail is centered over  
door. REMOVE the 2x4.  
Operate the door manually. If door hits the rail, raise  
header bracket.  
Grease the top and underside of rail surface on  
which trolley slides. A tube of grease is supplied.  
13  
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LOCATE DOOR CONTROL BUTTON (OR ANY ADDITIONAL PUSH BUTTONS) WHERE THE GARAGE DOOR IS VISIBLE.  
AWAY FROM DOOR AND DOOR HARDWARE AND OUT OF THE REACH OF CHILDREN.  
SERIOUS PERSONAL INJURY FROM A MOVING GARAGE DOOR MAY RESULT FROM MISUSE OF OPENER.  
ALL OW CHILDREN TO OPERATE DOOR CONTROL BUTTON(S) or REMOTE CONTROL TRANSMITTER.  
FASTEN THE CAUTION LABEL ON THE WALL NEAR DOOR CONTROL BUTTON AS A REMINDER OF SAFE OPERATING  
PROCEDURES.  
INSTALLATION STEP 5  
Install Lighted Door Control Button  
Models 1156,1155, 1146,1145,1140  
OPERATION OF  
LIGHTED DOOR CONTROL BUTTON  
WIRING INSTRUCTIONS FOR ACCESSORIES  
The Protector System  
To white and black opener terminals  
Press to open or close door. Press again to  
REVERSE door during the CLOSING cycle or to  
STOP door during OPENING cycle.  
Outside Keylock  
To red and white opener terminals  
INSTALLING LIGHT: Install a 75 watt maximum light  
bulb in socket as shown. The light will turn on and  
remain lit for 4-1/2 minutes when power is connected.  
After 4-1/2 minutes it will turn off.  
If light bulb burns out prematurely due to vibration,  
replace with bulb specifically packaged for "Garage  
Door Openers".  
INSTALLING LENS (Models shown above except  
1140): Locate (and loosen approximately 1/8") the two  
screws near top of opener front panel. Position lens  
against panel with slotted tabs directly below screws.  
Slide lens up to seat tabs behind screws. Snap bottom  
tabs of lens into panel slots. Retighten top panel screws  
to secure lens.  
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Install Multi-Function Door Control Panel  
Models 1160 and 1150 ONLY  
There are 4 screw terminals on the back of the Multi  
Function Control. Connect bell wire by color; yellow  
to yellow, white to white, red to red and black to black.  
Install the Multi-Function Control on an inside garage wall as  
shown. Use anchors if installing into drywall a convenient place is  
alongside the service door.  
LOCATE OUT OF THE REACH OF CHILDREN.  
Run bell wire up the wall and across the ceiling to opener. Secure  
with insulated staples.  
Receiver terminals and antenna are Located on back panel of  
opener. Position antenna wire as shown. Then connect the wire by  
color to the red, white, black and yellow opener terminal screws.  
OPERATION OF THE  
MULTI-FUNCTION CONTROL PANEL  
DOOR CONTROL PUSH BUTTON  
Press to open or close door. Press again to REVERSE door  
during CLOSING cycle or to STOP door while OPENING.  
LOCK SWITCH: Activate ONLY when door is closed. The  
LOCK Switch is designed to prevent operation of door from  
portable remote control transmitters. Door will OPEN from Door  
Control Button, Key Switch and Keyless Entry Systems. Door  
will CLOSE if door control button is pressed and held until the  
door closes fully. If button is released before down travel is  
completed, door will reverse.  
TO ACTIVATE: Press Lock Switch button. Indicator light will  
turn ON. TO TURN OFF: Press Lock Switch button again.  
Indicator light will turn OFF. Normal operation will  
LIGHT SWITCH  
TO ACTIVATE: Press Light Switch button. Indicator light will  
turn ON. Opener light will turn on (or remain on if opener is still  
in 41/2 minute automatic cycle). TO TURN OFF: Press Light  
Switch button again. Opener light will turn OFF.  
WIRING INSTRUCTIONS FOR ACCESSORIES  
NOTE: To turn light OFF during 4-1/2 minute automatic  
cycle, press Light Switch button twice • to activate and  
then to turn off Light Switch Feature. Light will turn OFF  
immediately.  
The Protector System  
To white and black opener terminals  
Outdoor Key Switch:  
To red and white opener terminals  
INSTALL THE LIGHTS  
Install a 75 Watt maximum light bulb in each socket. Lights will turn  
ON and remain lit for 4-1/2 minutes when power is connected. Then  
they will turn OFF. If bulbs burn out prematurely due to  
vibration, replace with "Garage Door Opener" bulbs.  
INSTALL THE LENSES  
Slide lens into guides as shown. Snap bottom tabs into lens slots.  
For convenience, lenses may be installed after Adjustment  
Step 3, Page 22.  
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USE MANUAL RELEASE ROPE ONLY TO  
INSTALLATION STEP 6  
Attach Manual Release Rope & Handle  
DISENGAGE TROLLEY. DO NOT USE ROPE AND  
HANDLE TO PULL DOOR OPEN OR CLOSED.  
PROCEDURE: Thread one end of rope through hole in top of red  
handle so 'NOTICE' reads right side up as shown. Secure with an  
overhand knot.  
NOTE: Knot should be at least 1" from the end of the rope to  
prevent slipping.  
Thread other end of rope through hole in release arm of outer trolley.  
Adjust rope length so that handle is 6 feet above the floor. Secure  
with an overhand knot as above.  
NOTE: If it is necessary to cut rope, heat seal cut end with a  
match or lighter to prevent fraying and/or raveling.  
TO AVOID SERIOUS PERSONAL INJURY FROM  
ENTANGLEMENT, REMOVE ALL THE ROPES  
CONNECTED TO GARAGE DOOR BEFORE  
OPERATING OPENER.  
INSTALLATION STEP 7  
Connect Electric Power  
TO AVOID DAMAGE TO GARAGE DOOR AND OPENER,  
MAKE DOOR LOCKS INOPERATIVE BEFORE CONNECTING  
ELECTRIC POWER. USE A WOOD SCREW OR NAIL TO  
HOLD LOCKS IN "OPEN" /UNLOCKED) POSITION.  
Opener MUST be permanently wired or plugged into  
a grounded 3-prong receptacle wired according to  
local electrical codes. DO NOT use a 2-wire adapter.  
DO NOT USE an extension cord.  
THE INSTALLATION  
&
THE WIRING MUST BE IN  
COMPLIANCE WITH LOCAL ELECTRICAL AND BUILDING  
CODES.  
OPERATION AT OTHER THAN 120V 60Hz WILL CAUSE  
OPENER MALFUNCTION AND DAMAGE.  
WRONG  
RIGHT  
PROCEDURE FOR PERMANENT WIRING (if required by local codes)  
DISCONNECT THE POWER AT THE FUSE BOX  
BEFORE PROCEEDING.  
Refer to illustration. Make connection through the 7/8"  
diameter hole in top of opener.  
1. Remove opener cover screws and set cover aside.  
2. Remove attached 3-prong cord.  
3. Connect black (line) wire to black wire on terminal  
block; white (neutral) wire to white terminal wire;  
Green (GROUND) wire to green around screw.  
CAUTION: BE SURE THE UNIT IS GROUNDED  
ACCORDING TO LOCAL CODE.  
IMPORTANT NOTE: TO AVOID INSTALLATION  
DIFFICULTIES, DO NOT RUN OPENER NOW.  
16  
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INSTALLATION STEP 8  
Fasten Door Bracket and Plate  
Follow instructions which apply to your door type  
as illustrated below.  
TO PREVENT DAMAGE TO LIGHTWEIGHT  
AND METAL GARAGE DOORS (OR THOSE  
WITH GLASS PANELS),  
ALWAYS REINFORCE THE INSIDE OF DOOR—  
BOTH VERTICALLY AND HORIZONTALLY—WITH  
2X4BOARDS OR ANGLE IRON.  
The horizontal brace should be at least six feet long. The vertical brace should cover height of top panel. The best solution  
is to check with the garage door manufacturer for a door reinforcement kit to be used with an opener installation.  
: :  
Sectional Door Installation Procedure  
Position door bracket and plate assembly against door  
within the following limits according to your  
requirements (and centered on vertical guideline— or  
to one toot left or right of center, if necessary):  
A) Top edge of bracket 2" - 4" below top edge of door.  
B) Directly below any structural support across top of  
door.  
Mark and drill 5/16" TOP and BOTTOM fastening holes.  
Secure bracket assembly as shown.  
All One-Piece Door Installation Procedure  
NOTE: The door bracket has left and right side  
fastening holes. Assemble and Install the door  
bracket and plate if your installation requires top and  
bottom fastening holes.  
Center bracket (with or without plate as required) at the  
top of the inside face of door as shown. Mark holes.  
Drill 5/16" holes and fasten the door bracket with  
hardware supplied.  
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INSTALLATION STEP 9  
Connect Door Arm to Trolley  
Follow instructions which apply to your door  
type as illustrated.  
SECTIONAL DOORS INSTALLATION  
Make sure garage door is closed tight. Pull the manual release handle to disconnect the trolley. Manually  
move outer trolley back to the center of inner trolley as shown in Figures A, B and C.  
FIG A: Fasten straight door arm section to outer trolley  
with a clevis pin. Secure the connection with a ring  
fastener.  
FIG B: 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.  
Fasten curved section to the door bracket in the same  
way.  
FIG C: 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.  
Bring arm sections together. Find two pairs of holes  
that line up and join with screws, lock washers and  
nuts.  
Proceed to Step 1, page20. Trolley will re-engage automatically when opener is operated.  
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ALL ONE-PIECE DOORS  
ASSEMBLE DOOR ARM: Fasten straight and curved  
door arm sections together to their longest possible  
length. With door closed, connect straight door arm  
section to door bracket with a clevis pin. Secure with a  
ring fastener.  
Before connecting door arm to trolley, limits of travel must be adjusted on one-piece doors. Limit  
adjustment screws are located on left side panel as shown in illustration on Page 20. Follow procedures  
below.  
ADJUSTMENT PROCEDURES  
CLOSED DOOR ADJUSTMENT  
OPEN DOOR ADJUSTMENT  
Decrease UP limit. Turn UP limit adjustment screw  
Decrease DOWN limit. Turn DOWN limit adjustment  
counterclockwise 4 complete turns.  
screw clockwise 8 complete turns.  
Press door control button. Trolley will travel to full open  
position.  
Press door control button. Trolley will travel to full  
closed position.  
Manually raise door arm to open position (parallel to  
floor) and lift door arm to trolley. The arm should touch  
trolley just in back of door arm connector hole as  
shown in solid line drawing. If arm does not extend far  
enough, adjust limit further. One full turn equals 2" of  
door travel.  
Manually close door and lift door arm to trolley. The  
arm should touch trolley just ahead of door arm  
connector hole as shown in dotted line drawing. If arm  
is behind the connector hole, adjust limit further. One  
full turn equals 2" of door travel.  
CONNECT DOOR ARM TO TROLLEY: With door closed, join curved arm to connector hole in trolley with remaining  
clevis pin. Secure with ring fastener. NOTE: It may be necessary to lift door slightly to make connection.  
Run opener through a complete travel cycle. If door has a slight 'backward' slant in full open position, decrease UP  
limits until door is parallel to floor.  
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ADJUSTMENT STEP 1  
Adjust UP and DOWN Limits  
LIMIT ADJUSTMENT settings regulate the points at  
which the door will stop when moving up or down.  
NOTE: Door STOPS in the UP direction if anything  
interferes with door travel. Door REVERSES in the  
DOWN direction if anything interferes with the door  
travel (including binding or unbalanced doors).  
PROCEDURE: To operate the opener, press the Door  
Control Button. Run the opener through a COMPLETE  
TRAVEL CYCLE. No limit adjustments are necessary  
when the door opens and closes completely and doesn't  
reverse unintentionally when fully closed.  
THE FOLLOWING CHART OUTLINES ADJUSTMENT PROCEDURES. RUN THE OPENER THROUGH A  
COMPLETE TRAVEL CYCLE AFTER EACH ADJUSTMENT.  
NOTE: REPEATED OPERATION OF THE OPENER DURING ADJUSTMENT PROCEDURES MAY CAUSE  
MOTOR TO OVERHEAT AND SHUT OFF. SIMPLY WAIT 15 MINUTES AND TRY AGAIN.  
Read the chart carefully before proceeding to Step 2. Use a screwdriver to make limit adjustments.  
LIMIT ADJUSTMENT CHART  
IF ONE-PIECE DOOR DOES NOT  
CLOSE COMPLETELY  
IF DOOR DOES NOT OPEN COMPLETELY  
BUT OPENS AT LEAST FIVE FEET  
Increase DOWN travel. Turn down limit adjustment  
screw counterclockwise. One turn equals 2 inches of  
travel.  
Increase UP travel. Turn the UP LIMIT adjustment  
screw clockwise. One turn equals 2" of travel.  
If door does not open at least 5 feet: adjust UP  
(OPEN) FORCE as explained in Step 2.  
IF OPENER REVERSES IN FULLY  
CLOSED POSITION.  
Decrease DOWN travel. Turn down limit adjustment  
screw clockwise. One turn equals 2 inches of travel.  
IF DOOR DOES NOT CLOSE COMPLETELY  
Increase DOWN travel. Turn down limit adjustment  
screw counterclockwise. One turn equals 2" of travel.  
IF DOOR REVERSES WHEN CLOSING AND THERE  
IS NO INTERFERENCE TO TRAVEL CYCLE  
If the door still will not close completely, the header  
bracket is positioned too high. See Step 1, page 10.  
Test door for binding: Pull manual release handle.  
Manually open and close door. If door is binding, call a  
door serviceman. If door is not binding or unbalanced,  
adjust DOWN (CLOSE) FORCE. See Step 2.  
20  
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DO NOT USE FORCE ADJUSTMENTS TO  
COMPENSATE FOR BINDING OR  
STICKING GARAGE DOOR EXCESSIVE  
ADJUSTMENT STEP 2  
Adjust Force  
A
FORCE WILL INTERFERE WITH THE PROPER  
OPERATION OF THE SAFETY REVERSE SYSTEM OR  
DAMAGE THE GARAGE DOOR.  
Force Adjustment Controls are located on rear panel of  
opener. FORCE ADJUSTMENT settings regulate amount  
of the power required to open and close door.  
NOTE: The door STOPS in the UP direction if  
anything interferes with its travel. Door REVERSES  
in the DOWN direction if anything interferes with its  
travel (including binding or unbalanced doors).  
If the force adjustments are set too light, door travel may  
be interrupted by nuisance reversals in DOWN direction  
and stops in UP direction. Weather conditions can affect  
the door movement, so occasional adjustment may be  
needed.  
Maximum force adjustment range is 260 degrees, about  
3/4 of a complete turn. Do not force controls beyond that  
point. Turn force adjustment controls with a screwdriver.  
Adjustment Label  
FORCE ADJUSTMENT CHART  
IF DOOR DOESN'T OPEN AT LEAST 5 FEET  
TEST DOWN (CLOSE) FORCE  
Increase UP (OPEN) FORCE by turning the control in a  
clockwise direction. Make 10 degree turn adjustments until  
door opens completely. Readjust UP LIMIT if necessary.  
After each adjustment, run opener through a complete  
travel cycle.  
Grasp the door handle or door bottom when door is  
about halfway through DOWN (CLOSE) TRAVEL. Door  
should reverse. If the door is hard to hold or doesn't  
reverse, decrease DOWN (CLOSE) FORCE by turning  
the control in a counterclockwise direction. Make 10  
degree turn adjustments until door reverses normally.  
IF DOOR REVERSES DURING DOWN  
(CLOSE) CYCLE  
After each adjustment, run opener through  
complete cycle.  
a
Increase DOWN (CLOSE) FORCE by turning control  
clockwise. Make 10 degree turn adjustments until door  
completes close cycle. After each adjustment, run the  
opener through a complete travel cycle.  
PROCEED TO STEP 3  
21  
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THE SAFETY REVERSE SYSTEM TEST IS  
IMPORTANT. GARAGE DOOR MUST RE-  
ADJUSTMENT STEP 3  
Test Safety Reverse System  
VERSE ON CONTACT WITH A ONE-INCH  
OBSTACLE PLACED ON THE FLOOR. FAILURE TO  
PROPERLY ADJUST OPENER MAY RESULT IN  
SERIOUS PERSONAL INJURY FROM A CLOSING  
GARAGE DOOR. REPEAT TEST ONCE A MONTH AND  
ADJUST AS NEEDED.  
PROCEDURE: Place-a one-inch obstacle on the floor  
under the garage door. Operate door in DOWN direction.  
The door MUST reverse on the obstruction.  
If the door STOPS on the obstruction, it is not traveling  
far enough in the DOWN direction. Increase the DOWN  
limit by turning DOWN limit adjustment screw  
counterclockwise 1/4 turn. REPEAT TEST.  
NOTE: Make sure limit adjustments do not force the  
door arm beyond a straight up and down position.  
See the illustration on Page 18/19.  
When the door reverses on the one-inch obstacle,  
remove the obstruction and run the opener through a  
complete travel cycle.  
Door MUST NOT reverse in closed position. Repeat  
Adjustment Steps 1, 2 and 3 if necessary.  
REPEAT ADJUSTMENT STEP 3 AFTER:  
• EACH ADJUSTMENT OF DOOR ARM LENGTH, CLOSE  
FORCE OR DOWN LIMIT.  
• ANY REPAIR OR ADJUSTMENT OF GARAGE DOOR  
(INCLUDING SPRINGS AND HARDWARE).  
• ANY REPAIR OR BUCKLING OF THE GARAGE FLOOR R.  
• ANY REPAIR OR ADJUSTMENT OF THE GARAGE DOOR  
OPENER.  
THE PROTECTOR SYSTEM PROVIDES AN ADDITIONAL  
MEASURE OF SAFETY AGAINST A SMALL CHILD BEING  
CAUGHT UNDER A GARAGE DOOR. It uses an invisible beam  
which, when broken by an obstruction, causes a closing door to  
open and prevents an open door from closing. STRONGLY  
RECOMMENDED FOR HOMEOWNERS WITH YOUNG  
CHILDREN.  
THE PROTECTOR SYSTEM  
Installation of Optional Safety Feature  
After opener has been installed and adjusted, THE  
PROTECTOR SYSTEM accessory can be installed.  
Instructions are included with this optional  
device.  
22  
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ACTIVATE THE OPENER ONLY WHEN  
DOOR IS IN FULL VIEW, FREE OF  
OBSTRUCTION AND PROPERLY  
Radio Controls  
F.C.C. rules prohibit adjustments to or modification of  
receiver and/or remote control transmitter circuitry  
except for changingcode setting and replacing remote  
control transmitter battery. NO USER SERVICEABLE  
ADJUSTED. NO ONE SHOULD ENTER OR LEAVE  
GARAGE WHILE DOOR IS IN MOTION. DO NOT  
ALLOW CHILDREN TO OPERATE REMOTES OR  
DOOR CONTROL BUTTONS. DO NOT ALLOW  
CHILDREN TO PLAY NEAR THE DOOR.  
PARTS.  
Manufactured under 1 or more of the following U.S. patents: RE29,525;  
4,750,118; 4,8e8,930. Other Patents Pending.  
Your garage door opener receiver and remote control transmitter have been factory set to a matching code. If you  
want to CHANGE your code or purchase additional remotes, follow the Instructions below. The code in any NEW remote  
control must be set to match the code in the original remote control.  
MATCH/CHANGE THE CODE IN REMOTE CONTROL(S)  
1. Slide battery compartment cover back to access code switches in your single function remote and any new remote  
control.  
2. Place remotes side by side as shown and set switches in ALL remotes to matching positions (+, -, 0). Use a pen or  
screwdriver to slide the code switches.  
NOTE: Instructions for matching the code switches in two-channel and multi-function remote control  
transmitters are Included with those accessories.  
MATCH/CHANGE THE CODE IN THE RECEIVER  
GARAGE DOOR OPENERS  
WITH RECEIVER "SMART" CODE BUTTON  
3. Press the RECEIVER Smart Button on the back panel  
of the opener as shown. The adjacent indicator light  
will turn ON.  
CAUTION: Door will begin to move Immediately If any  
transmitter has been activated.  
If this occurs, wait until the door has completed Its UP  
or DOWN cycle. Then begin again at Step 3.  
4. STAND AWAY FROM THE DOOR and press the  
remote control transmitter push button. The indicator  
light will turn OFF and the door will move. Receiver  
and remote control(s) codes now match. The opener  
will operate when either the door control button or the  
remote control transmitter push button is pressed.  
NOTE: If the remote control transmitter push button is  
not pressed within 30 seconds, the indicator light will  
turn OFF. In that case, begin again at steps 3.  
23  
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Review Pages 2 and 3 Before Proceeding  
Having a Problem?  
SITUATION  
PROBABLE CAUSE & SOLUTION  
OPENER DOESN'T OPERATE  
FROM EITHER THE DOOR  
CONTROL BUTTON OR REMOTE  
CONTROL TRANSMITTER  
1. Have you disengaged all door locks? Review Step 7, page 16.  
2. Does the opener have electric power? Plug a lamp into the outlet. If it doesn't light, check fuse  
box or circuit breaker. (Some outlets are controlled by a wall switch.)  
3. Repeated operation may have tripped the overload protector in the motor. Wait 15 minutes. Try  
again.  
4. Is there a build-up of ice or snow under door? Door may be frozen to ground. Remove any  
obstruction.  
5. Remove bell wire from opener terminals. Short red and white terminals by touching both  
terminals at same time with a piece of metal (screwdriver or coin). If opener runs, check for a  
faulty wire connection at door control button or a short under staples.  
OPENER OPERATES FROM  
REMOTE CONTROL BUT  
NOT FROM DOOR CONTROL  
BUTTON  
1. Is door control push button lit? If not, refer to No. 5 above and follow same procedure.  
2. Are wiring connections correct? Review Step 5, page 14 or 15.  
DOOR OPERATES FROM  
1. Is the LOCK Switch ON? (Models 1160 and 1150) Turn it OFF.  
DOOR CONTROL PUSH BUTTON  
BUT NOT FROM THE REMOTE  
CONTROL TRANSMITTER  
2. Does the battery test light glow when remote control push button is pressed? If not, replace  
the battery.  
3. If you have two remote controls and only one operates, review the code setting procedures on  
page 23. ALL remote controls must be set to same code.  
REMOTE CONTROL TRANSMITTER  
HAS SHORT RANGE  
1. Check battery test light. If the light is dim, change the battery.  
2. Change the location of the remote control in the car.  
3. A metal garage door or foil-backed insulation or metal siding will reduce the transmission  
range.  
4. Check to be sure antenna on the back panel of opener extends fully downward.  
1. Is there a neighbor with a garage door opener using the same frequency code? Change your  
code. Review page 23.  
THE GARAGE DOOR OPENS  
AND CLOSES BY ITSELF  
2. Check to be sure that the remote control push button is not stuck in the 'down' position.  
3. Remove bell wire from opener terminals and operate from remote control only. If this solves  
the problem, the door control is faulty (replace), or there is a short or broken wire between door  
control button and opener.  
DOOR DOESN'T OPEN  
COMPLETELY  
1. Is something obstructing the door?  
2. If door opens at least 5 feet, travel limits may need to be increased. One turn equals 2 inches  
of travel. See page 20.  
REPEAT SAFETY REVERSE TEST after the adjustment is complete.  
3. If door has been working properly but now doesn't open all the way, increase the UP FORCE  
See page 21.  
REPEAT SAFETY REVERSE TEST after the adjustment is complete.  
DOOR DOESN'T CLOSE  
COMPLETELY  
1. Is something obstructing the door?  
2. Review the Travel Limits Adjustment Chart on page 20.  
REPEAT SAFETY REVERSE TEST after any adjustment of door arm length, close  
force or down limit.  
1. Check the Protector System (if you have installed this accessory). If the light is blinking,  
correct alignment.  
DOOR WON'T CLOSE  
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Having a Problem? (continued)  
SITUATION  
PROBABLE CAUSE & SOLUTION  
1. Pull red manual release handle. Operate door manually. If it is unbalanced or binding, call a  
garage door serviceman to correct the problem.  
DOOR REVERSES FOR  
NO APPARENT REASON  
2. Clear any ice or snow from garage floor area where garage door closes.  
3. Review the Force Adjustment Chart on page 21. REPEAT SAFETY REVERSE  
TEST after adjustment is complete.  
4. If door reverses in FULLY CLOSED position, decrease travel limits (Page 20).  
REPEAT SAFETY REVERSE TEST after the adjustment is complete. THE NEED FOR  
OCCASIONAL ADJUSTMENT OF THE FORCE AND LIMIT SETTINGS IS NORMAL.  
WEATHER CONDITIONS IN PARTICULAR CAN AFFECT DOOR TRAVEL.  
5. Check the Protector System (if you have installed this accessory). If the light is blinking.  
correct alignment.  
DOESN'T TURN ON  
OPENER LIGHT(S)  
1. Replace the light bulb (75 watts maximum). Use a "garage door opener bulb" if standard bulb  
burns out prematurely due to vibration. Vibration may be caused by loose end panel. Retighten  
screws.  
DOESN'T TURN OFF  
1. There may be a defective ground at ceiling or wall receptacle.  
UNIT MUST BE GROUNDED.  
2. Is the Light Feature ON ? Turn it OFF.  
1. Door may be out of balance or springs are broken. Close door and use manual release rope  
and handle to disconnect trolley. Open and close door manually. A properly balanced door will  
stay in any point of travel while being supported entirely by its springs. If it does not, call a  
garage door serviceman to correct the problem .  
OPENER STRAINS OR  
MAXIMUM FORCE IS NEEDED  
TO OPERATE DOOR  
1. Garage door springs are broken. SEE ABOVE.  
OPENER MOTOR HUMS  
BRIEFLY, THEN WON'T WORK  
2. The trolley may be jammed into stop bolts. Pull or push on door while motor is humming to  
release jammed condition. Re-adjust door limits (page 20) to prevent over-travel.  
REPEAT SAFETY REVERSE TEST after adjustment is complete.  
3. If the problem occurs on first operation of the opener, door is locked. DISABLE DOOR LOCK.  
If chain was removed and reinstalled, motor may be out of phase. Remove chain; cycle motor  
to the down position. Observe drive sprocket. When it turns in clockwise direction and stops in  
down position, reinstall chain.  
REPEAT SAFETY REVERSE TEST after adjustment is complete.  
OPENER WON'T OPERATE  
DUE TO POWER FAILURE  
1. Use manual release rope and handle to disconnect trolley. Door can be opened and closed  
manually. When the power is restored, press the door control button and trolley will  
automatically reconnect.  
2. The Outside Quick Release Lock accessory (for use on garages with no service door)  
disconnects the trolley from outside the garage in case of power failure.  
1. It is normal for chain to droop slightly in the closed door position. Use manual release rope and  
handle to disconnect trolley. If chain returns to normal height when the trolley is disengaged  
and door reverses on a one-inch obstruction, no adjustments are needed {see page 9).  
CHAIN DROOPS OR SAGS  
1. If operational noise is a problem because of proximity of the opener to the living quarters,  
Vibration Isolator Kit 41A3263 can be installed. This kit was designed to eliminate the  
'sounding board effect' and is easy to install  
OPENER NOISE IS DISTURBING  
IN LIVING QUARTERS OF HOME  
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RAIL ASSEMBLY PARTS LIST  
4
1
3
6
2
7
5
INSTALLATION PARTS LIST  
10  
Lighted Push  
Button Assembly  
41 A2756  
14  
Multi-Function  
Control Panel  
41A3586  
13  
9
2 Strand 4 Strand  
Bell Wire Bell Wire  
217A238 217A241  
Remote Control Transmitter  
Case, Cover & Screw Assembly  
(circuit board not included)  
41 A3593  
12  
12V Battery  
10A14  
18  
Door Bracket  
17  
Plate 12B380  
Door Bracket  
12B374  
11  
15  
Remote Control  
Transmitter  
Visor Clip  
Curved Door  
Arm Section  
178B35  
8
16  
19  
Straight Door  
Arm Section 1  
178B34  
Header Bracket Plus  
Clevis and Fastener  
41 A2829  
Manual Release  
29C128  
& Handle Assembly  
41 A2828  
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Repair Parts  
Chassis Assembly Parts List  
KEY  
NO.  
PART  
NO.  
KEY  
NO.  
PART  
NO.  
DESCRIPTION  
DESCRIPTION  
1
2
31C290  
41A2827  
Sprocket cover  
10  
11  
41A3150  
41D3058  
Terminal block w/screws  
Universal replacement motor  
/bracket assy. (Includes  
motor, worm, bracket, bearing  
assy. and RPM sensor)  
Cover (Specify model)  
Helical gear & retainer w/grease  
Limit switch assembly  
RPM sensor assembly  
Wire harness assy. w/plug  
Shaft bearing kit  
Interrupter cup assy.  
Receiver logic board assy. (Model 1145)  
(Models 1160 and 1150)  
Complete with:  
Gear and sprocket assy.  
Complete with:  
Spring washer  
Thrust washer  
Retaining ring  
Bearing plate  
Roll pins (2)  
Drive gear  
Worm gear  
Helical gear w/retainer  
Grease  
Drive/worm gear kit w/ grease  
Roll pins (2)  
12  
13  
14  
15  
16  
17  
18  
19  
51R370  
41A2818  
41D3452  
41C3005  
41C2726  
41A2826  
41A2822  
41A3627  
41A3626  
3
41A2817  
4
5
41B2991-1  
143D100  
41A2916  
175B88  
108D36  
108D34  
30B363  
30B387  
12A373  
Line cord  
End panel (Model 1145)  
End panel (Model 1160, 1150)  
Light socket  
Lens (Model 1145)  
Lens (Models 1160, 1150)  
Capacitor - 1/2HP  
Capacitor - 1/3HP  
Capacitor baracket  
Logic board  
End panel w/all labels  
6
7
20  
41A3712  
41A3673  
End panel w/all labels (Model 1145)  
End panel w/all labels (1160 and 1150)  
NOT SHOWN  
Chassis assy. hardware kit (includes  
screws not designated by a number in  
illustration)  
8
9
41A2825  
27  
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LIFT-MASTER 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  
OUR LARGE SERVICE Organization  
SPANS THE UNITED STATES AND CANADA  
INSTALLATION AND SERVICE INFORMATION IS AS  
NEAR AS YOUR TELEPHONE SIX DAYS A WEEK.  
SIMPLY DIAL OUR TOLL FREE NUMBER:  
WHEN ORDERING REPAIR PARTS ALWAYS GIVE THE  
FOLLOWING INFORMATION:  
• PART NUMBER  
• PART NAME  
1-800-654-4736  
• MODEL NUMBER  
ADDRESS ORDERS TO:  
CHAMBERLAIN MFG., CANADA INC.  
Unit 11 230 Bayview Drive  
HOURS: 7:00 a.m. TO 3:30 p.m.  
(Mountain Std. Time)  
MONDAY through SATURDAY  
Barrie Ont. Canada L4N 5E9  
For professional installation parts and service contact your  
local LIFT-MASTER/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:  
1-800-654-4736  
LIFTMASTER GARAGE DOOR OPENER ONE-YEAR LIMITED WARRANTY  
The Chamberlain/Lift-Master warrants to the first retail purchaser of this product that it will be free from any defect in materials and/or  
workmanship for a period of twelve full months from the date of purchase. The product must be used in complete accordance with Lift-  
Master's instructions for installation. or operation and care.  
LIMITED WARRANTY ON MOTOR  
Model 1160: The motor is warranteed to be free from any defect in materials and/or workmanship for a period of 60 full months (5 years)  
from the date of purchase.  
Models 1150 and 1145: The motor is warranteed to be free from any defect in materials and/or workmanship for aperiod of 36 full months  
(3 years) from the date of purchase.  
This warranty does not cover non-defect damage caused by unreasonable use (including abuse failure to provide reasonable and  
necessary maintenance or any alterations to the product), labor charges for dismantling or reinstalling of a repaired or replaced unit or  
replacement batteries.  
If during the warranty period the product appears as though it may be defective CALL OUR TOLL FREE SERVICE NUMBER BEFORE  
DISMANTLING IT (1-800-654-4736). If the product is then alleged to be defective please send it pre-paid and insured to our Service  
Center to obtain warranty repair You will be advised of shipping instructions when you call the number listed above.  
Please be sure to include a brief description of the problem and a dated proof-of-purchase receipt with any product that is returned for  
warranty repair.  
Product under warranty which upon receipt by Chamberlain/LiftMaster is determined to be defective in materials and/or workmanship will be  
repaired or replaced (Chamberlain's option) at no cost to you and returned pre-paid. Defective parts will be repaired or replaced with new or  
factory rebuilt parts at Chamberlain's option.  
THE DURATION OF IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE IS LIMITED  
TO THE DURATION OF THIS WRITTEN WARRANTY. SOME PROVINCES MAY NOT ALLOW LIMITATIONS ON HOW LONG AN  
IMPLIED WARRANTY LASTS SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU.  
All claims for consequential or incidental damages for breach of this warranty are excluded and in no event shall manufacturer's liability for  
breach of warranty negligence strict liability or breach of contract exceed the cost of the productcovered herein but the purchaser is entitled  
to the remedies expressly provided in this policy. Some provinces do not allow the exclusion or limitation of incidental or consequential  
damages so the above limitation or exclusion may not apply to you.  
No representative or person is authorized to assume for us any other liability in connection with the sale of this product. This warranty gives  
you specific legal rights and you may also have other rights which may vary from province to province.  
114A1297  
Printed in Mexico  
1990, Chamberlain Mfg. Canada  
Inc. All rights reserved  
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