Chamberlain 8010 User manual

LiftMaster
300 Windsor Drive
Oak Brook, IL 60523
LiftMaster.com
CONTENTS
Preparation .............................. 1-5
Assembly................................. 6-7
Installation..............................8-23
Adjustments .......................... 24-26
Operation.............................. 27-30
Maintenance.............................. 31
Troubleshooting.......................... 32
Warranty .................................. 33
Repair Parts .............................. 34
Contact Information ..................... 35
Chain/Cable Drive DC
Garage Door Opener
■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 garage door opener are required to ensure safe operation.
■The model number label is located on the back panel of your garage door opener.
■This garage door opener is compatible with Security+ 2.0®accessories.
■WARNING: To reduce the risk of injury to persons – Use this opener ONLY with a
7 or 8 foot sectional door.
Serial Number:
Date of Purchase:
Model Number:
Model 8010
FOR RESIDENTIAL USE ONLY
INSTALL ON 7 OR 8 FOOT
SECTIONAL DOORS ONLY
Write down the following information
for future reference:
Register your garage door opener to receive
updates and offers from LiftMaster
Send it in by texting the photo to 71403
(US) or visit
www.liftmaster.com/register (Global)
Take a photo of the camera icon including
the points ( ).

2
Safety Symbol and Signal Word Review
This garage door opener has been designed and tested to offer safe service provided it is installed,
operated,maintained and tested in strict accordance with the instructions and warningscontained in
this manual.
When you see these Safety Symbols and Signal Words on the following pages, they will alertyou to the
possibility of serious injury or death if you do not comply with the warnings that accompany them. The
hazard may come from something mechanical or from electric shock.Read the warnings carefully.
Mechanical
Electrical
When you see this Signal Word on the following pages,itwill alert you to the possibilityof damage to
your garage door and/or the garage door opener ifyou do notcomplywith the cautionary statements
that accompany it. Read them carefully.
Check the Door
To prevent possible SERIOUSINJURYor DEATH:
lALWAYS call a trained door systems technician if garage door binds,sticks,or is out of
balance. An unbalanced garage door may NOTreverse when required.
lNEVER try to loosen, move or adjust garage door, door springs, cables, pulleys, brackets or
their hardware, ALLof which are under EXTREME tension.
lDisable ALLlocksand remove ALLropes connected to garage door BEFORE installation and
operating garage door opener to avoid entanglement.
To prevent damage to garage door and opener:
lALWAYS disable locks BEFORE installing and operating the opener.
lONLY operate garage door opener at120V,60Hzto avoid malfunction and damage.
Before you begin:
1. Disable locks and remove anyropes connected to the garage door.
2. Lift the door halfway up. Release the door. If balanced, it should
stay in place, supported entirely by its springs.
3. Raise and lower the door to check for binding or sticking. If your
door binds,sticks,or is out ofbalance, call a trained door systems
technician.
4. Check the seal on the bottomof the door. Any gap between the
floor and the bottom ofthe door must not exceed 1/4 inch (6 mm).
Otherwise, the safety reversal system may not work properly.
5. The opener should be installed above the center ofthe door. If
there is a torsion spring or center bearing plate in the way of the
header bracket, it may be installed within 4feet (1.2 m) to the left or
right of the door center. See page 9.
Torsion
Spring
Extension
Spring
OR
Preparation

3
Additional Items You May Need:
Surveyyour garage area to see if you will need any ofthe following items:
l(2) 2X4 PIECES OFWOOD
Maybe used to fasten the header bracket to the structural supports. Also used to position the
garage door opener during installation and for testing the safety reversing sensors.
lSUPPORT BRACKET AND FASTENING HARDWARE
Must be used if you have a finished ceiling in your garage.
lEXTENSION BRACKETS (MODEL 041A5821-1) OR WOOD BLOCKS
Depending upon garage construction, extension brackets or wood blocks may be needed to
install the safety reversing sensor.
lFASTENING HARDWARE
Alternate floor mounting ofthe safetyreversing sensor will require hardware not provided.
lDOOR REINFORCEMENT
Required if you have a lightweight steel, aluminum, fiberglass or glass panel door.
Tools Needed
2
1
3/16
5/16
1/4
7/32
5/16
5/16
1/4
Preparation

4
Carton Inventory
Accessorieswill varydepending on the garage door opener model purchased.Depending on your
specificmodel,other accessories may be included with your garage door opener.The instructions for
these accessories will be attached to the accessoryand are notincluded in thismanual.The images
throughout this manual are for reference and your productmay look different.
A. Header bracket
B. Pulley
C. Door bracket
D. Curved door arm
E. Straight door arm
F. Trolley
G. Emergency release rope and handle
H. Rail
I. Garage door opener (motor unit)
J. Chain spreader
K. Chain and cable
L. Door control (883LM)
M. Remote control (891LM)
N. The Protector System®
Safety reversing sensors with 2 conductor white and white/black wire attached: Sending
Sensor (1), Receiving Sensor (1)
O. Safety Sensor Brackets (2)
NOT SHOWN
White and red/white wire
Owner's manual
Hardware Bag
M
A
B
C
JI
NO
D
E
F
GK
L
H
Preparation

5
Hardware 041A8068
Lock Nut 1/4"-20 (4)
Self-Threading Screw
1/4"-20x1-3/4" (2)
Clevis Pin 5/16"x1-1/2"
Ring Fastener (3)
Hex Bolt 1/4"-20x3/4" (4)Self-Threading Screw
1/4"-14x5/8" (2)
Clevis Pin 5/16"x1"Clevis Pin 1/4"x1-1/4"
Carriage Bolt
1/4"-20x1/2" (2)
Wing Nut 1/4"-20 (2)
ASSEMBLY INSTALLATION
Screw 6ABx1" (2)
DOOR CONTROL
Lag Screw 5/16"-9x1-5/8" (2)
Drywall Anchors (2)
Insulated Staples
(Not Shown)
Preparation

6
Assembly
1 Attach the Rail to the Garage Door Opener
To avoid SERIOUS damage to garage door opener, use ONLY the 1/4"-20x1-3/4" self-threading
screws provided.
To avoid installation difficulties, do not run the garage door opener until instructed to do so.
1. Place the motor unit on packing material to protect the cover, and restthe back end of the rail
on top. For convenience, puta supportunder the front end of the rail.
2. Ensure that the chain spreader is installed.
3. Place the rail onto the motor unit.Loop the chain around the sprocket.The sprocket teeth must
engage the chain.
4. Align the screw holes in the rail with the holes on top of the motor unit.Use a 1/4" socket to
fasten the rail with the screws.
5. Attach the outer trolley to the rail and then slide into place over the inner trolley.
HARDWARE
Self-Threading Screw
1/4"-20x1-3/4"
IMPORTANT: Use ONLY
the 1/4"-20x1-3/4"
self-threading screws
provided in a separate bag
inside the hardware bag.
Packing
Material
Rail
Tab
Sprocket
Chain spreader
Outer
Trolley
Inner
Trolley

7
Assembly
2 Tighten the Chain
1. Spin the inner nutand lock washer down the trolley threaded shaft, awayfrom the trolley.
2. To tighten the chain, turn the outer nut in the direction shown.
3. When the chain is approximately1/4" (6 mm) above the base ofthe rail at it's midpoint, re-
tighten the inner nut to secure the adjustment.
Sprocketnoise can resultif the chain is too loose or too tight.When installation is complete, you may
notice some chain droop with the door closed. This is normal. Ifthe chain returns to the position shown
when the door is open, do not re-adjust the chain.
NOTE: During future maintenance, ALWAYS pull the emergency release handle to disconnect the
trolley before adjusting the chain.
You have now finished assembling your garage door opener. Please read the following warnings
before proceeding to the installation section.
Base of Rail Mid length of Rail
Chain
1/4" (6 mm)
Outer
Nut
Lock
Washer
Trolley
Threaded
Shaft
Inner Nut
To Tighten
Inner Nut
To Tighten Outer Nut

8
Installation
IMPORTANT INSTALLATION INSTRUCTIONS
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 properlybalanced and lubricated garage door.An
improperly balanced door may NOT reverse when required and could resultin SEVERE
INJURY or DEATH.
3. ALL repairs to cables, spring assemblies and other hardware MUST be made by a trained door
systems technician BEFORE installing opener.
4. Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing opener
to avoid entanglement.
5. Install garage door opener 7 feet (2.13 m) or more above floor.
6. Mount the emergency release within reach, but at least 6 feet (1.83 m) above the floor and
avoiding contact with vehicles to avoid accidental release.
7. NEVER connectgarage door opener to power source until instructed to do so.
8. NEVER wear watches, rings or loose clothing while installing or servicing opener. They could be
caught in garage door or opener mechanisms.
9. Install wall-mounted garage door control:
lwithin sight of the garage door.
lout of reach of children at minimum height of 5 feet (1.5 m).
laway from ALL moving parts of the door.
10. Place entrapment warning label on wall next to garage door control.
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
1-1/2" (3.8 cm) high object(or a 2x4 laid flat) on the floor.
13. To avoid SERIOUS PERSONAL INJURY or DEATH from electrocution, disconnect ALL electric
power BEFORE performing ANY service or maintenance.

9
Installation
1 Determine the Header Bracket Location
To prevent possible SERIOUS INJURY or DEATH:
lHeader bracketMUSTbe RIGIDLY fastened to structural supporton header wall or ceiling,
otherwise garage door might NOT reverse when required. DO NOT install header bracket
over drywall.
lConcrete anchors MUST be used ifmounting header bracket or 2x4 into masonry.
lNEVER try to loosen, move or adjustgarage door, springs, cables,pulleys,brackets,or their
hardware, ALL of which are under EXTREME tension.
lALWAYS call a trained door systems technician if garage door binds,sticks,or is out of
balance. An unbalanced garage door mightNOT reverse when required.
1. Close the door and mark the inside vertical centerline ofthe garage door.
2. Extend the line onto the header wall above the door.
You can fasten the header bracketwithin 4 feet (1.22 m) ofthe left or right ofthe door center
only if a torsion spring or center bearing plate is in the way; or you can attach it to the ceiling
when clearance isminimal. (Itmaybe mounted on the wall upside down if necessary,to gain
approximately 1/2" (1 cm).
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.
3. Open your door to the highest point of travel as shown. Draw an intersecting horizontal line on
the header wall 2" (5 cm) above the high point.
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
Unfinished
Ceiling
Vertical Centerline
of Garage Door
2x4
2x4
Structural
Supports
Level
(Optional)
OPTIONAL
CEILING
MOUNT FOR
HEADER
BRACKET
Sectional door with curved track
Header Wall
Track
2" (5 cm)
Highest Point
of Travel
Door

10
Installation
2 Install the Header Bracket
You can attach the header bracketeither 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).
HARDWARE
Lag Screw 5/16"-9 x 1-5/8"
OPTION A WALL INSTALLATION
1. Center the bracketon the vertical centerline with the bottom edge ofthe bracketon the
horizontal line as shown (with the arrowpointing toward the ceiling).
2. Mark the vertical set of bracket holes. Drill 3/16" pilot holes and fasten the bracket securely to a
structural support with the hardware provided.
UP
Wall Mount
Optional Mounting
Holes
Vertical
Centerline of
Garage Door
(Header Wall)
Header
Bracket
2x4 Structural
Support
Door Spring
(Garage Door)
Highest Point
of Garage
Door Travel
Horizontal
Line
Lag Screw
5/16"-9x1-5/8"
OPTION B CEILING INSTALLATION
1. Extend the vertical centerline onto the ceiling as shown.
2. Center the bracketon the vertical mark, no more than 6" (15 cm) from the wall.Make sure the
arrow is pointing away from the wall. The bracket can be mounted flush against the ceiling
when clearance is minimal.
3. Mark the side holes. Drill 3/16" pilot holes and fasten bracket securely to a structural support
with the hardware provided.
UP
(Header Wall)
Ceiling Mounting
Holes (Finished Ceiling)
Vertical
Centerline of
Garage Door
Header
Bracket
6" (15 cm)
Maximum
Door Spring
(Garage Door)
Lag Screw
5/16"-9x1-5/8"