Chamberlain C2102 User manual

Installation Manual
Chain Drive Garage Door Opener
Model C2102
FOR RESIDENTIAL USE ONLY
PREǫPROGRAMMED REMOTE
CONTROL INCLUDED
To register your garage door opener to receive
updates and offers from Chamberlain, visit
chamberlain.registria.com or use the icon below:
www.chamberlain.com
1. Take a photo of the camera icon including
the points ( ).
2. Send it in by texting the photo to 71403 (US).
• 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 myQ® and Security+2.0® accessories.
• DO NOT install on a one-piece door if using devices or features providing unattended close.
Unattended devices and features are to be used ONLY with sectional doors.

2
ContentsPreparation 3
Assembly 7
Installation 12
Install the Door Control 22
Install the Protector System® 24
Connect Power 28
Adjustments 30
Operation 33
Using your Garage Door Opener 33
Using your Door Control 34
Remote Control and Keyless Entry 34
HomeLink® 34
Erase the Memory 35
To Open the Door Manually 35
Maintenance 36
Troubleshooting 37
Warranty 39
Automatic Garage Door Opener Safety & Maintenance Guide 40
Repair Parts 42
Rail Assembly Parts 42
Installation Parts 42
Garage Door Opener Parts 43 SafetySymbolandSignalWordReviewThis garage door opener has been designed and tested to offer safe service provided it is installed, operated,
maintained and tested in strict accordance with the instructions and warnings contained in this manual.
Mechanical
Electrical
When you see these Safety Symbols and Signal Words on the following pages, they will alert you 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.
When you see this Signal Word on the following pages, it will alert you to the possibility of damage to your
garage door and/or the garage door opener if you do not comply with the cautionary statements that
accompany it. Read them carefully.
WARNING: This product can expose you to chemicals including lead, which are known to the State of
California to cause cancer or birth defects or other reproductive harm. For more information go to
www.P65Warnings.ca.gov
UnattendedOperationThe Timer-to-Close (TTC) feature, the myQ® App, and myQ® Garage Door and Gate Monitor are examples of
unattended close and are to be used ONLY with sectional doors. Any device or feature that allows the door to
close without being in the line of sight of the door is considered unattended close. The Timer-to-Close (TTC)
feature, the myQ® App, and any other myQ® devices are to be used ONLY with sectional doors.
The images throughout this manual are for reference only and your product may
look different.

3
ChecktheDoorTo 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 NOT reverse 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locks and remove ALLropes connected to garage door BEFORE installation and operating
garage door opener to avoid entanglement.
lDO NOT install on a one-piece door if using devices or features providing unattended close.
Unattended devices and features are to be used ONLY with sectional doors.
To prevent damage to garage door and opener:
lALWAYS disable locks BEFORE installing and operating the opener.
lONLY operate garage door opener at 120V, 60Hz to avoid malfunction and damage.
Before you begin:
1. Disable locks and remove any ropes 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 of balance,
call a trained door systems technician.
4. Check the seal on the bottom of the door. Any gap between the floor and the bottom of the door must
not exceed 1/4" (6 mm). Otherwise, the safety reversal system may not work properly.
5. The opener should be installed above the center of the 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 13.
Torsion
Spring Extension
Spring
Preparation

4
ToolsNeeded
3/16
7/16
1/2
5/32
5/16
9/16
1/4
7/16
AdditionalItemsYouMayNeed:Survey your garage area to see if you will need any of the following items:
l(2) 2X4 Pieces of wood : May be 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.
Support Brackets
Hardware x2 (each)
lExtension brackets (Model 041A5281-1) or wood blocks: Depending upon garage construction,
extension brackets or wood blocks may be needed to install the safety reversing sensor.
Extension Brackets –Ê041A5281-1
Lag screws x4 Lag screws x12
Wood Blocks
lFastening hardware: Alternate floor mounting of the safety reversing sensor will require hardware not
provided.
lDoor reinforcement: Required if you have a lightweight steel, aluminum, fiberglass or glass panel door.
lRail extension kit: Required if your garage door is more than 7 feet (2.13 m) high.
Preparation

5
CartonInventorySave the carton and packing material until the installation and adjustment is complete. Instructions for the
accessories will be attached to the accessory and are not included in this manual. The images throughout this
manual are for reference only and your product may look different.
1. Header bracket
2. Pulley
3. Door bracket
4. Curved door arm
5. Straight door arm
(Packaged inside front rail section)
6. Trolley
7. Emergency release rope and handle
8. Rail (1 front and 4 center sections)
9. Hanging brackets (2)
(Packaged inside the front rail section)
10. Garage door opener (motor unit)
11. Chain spreader with screws
12. “U” bracket
13. Chain and cable
14. The Protector System®
Safety reversing sensors with 2 conductor white and white/black wire attached: sending sensor (1),
receiving sensor (1), and safety sensor brackets (2)
15. Remote control
16. Push button door control
17. White and red/white wire
18. Installation manual and all warning labels
See Hardware page 6.
Go to chamberlain.com for replacement or additional accessories:
3-button remote control model 953EV-P2
Wireless keypad model 940EV-P2
9 x2
14
2
8 x1
7
18
12
8 x4
14 x1 14 x1
11
6
10
3
5
1
16 17
13
4
15
Preparation

6
Hardware
ASSEMBLY INSTALLATION DOOR CONTROL
Insulated Staples
(Not Shown)
Bolt
1/4"-20x1-3/4"
Lock Nut
1/4"-20
Bolt
Nut 3/8" Lock Washer 3/8"
Master Link (2)
Threaded
Shaft Clevis Pin 5/16"x1-1/2"
Ring
Fastener (3)
Hex Bolt 5/16"-18x7/8" (4)
Lock Washer
5/16"-18 (5)
Nut
5/16"-18 (6)
Self-Threading Screw
1/4"-14x5/8" (2)
Clevis Pin 5/16"x1"
Clevis Pin 5/16"x1-1/4"
Lag Screw 5/16"-9x1-5/8" (4)
Screw
6ABx1-1/2" (2)
Drywall
Anchors (2)
Hex Screw 10-24 (2) Wing Nut (2)
Preparation

7
AssemblySTEP1AssembletheRailandInstalltheTrolleyTo prevent INJURY from pinching, keep hands and fingers away from the joints while assembling the rail.
To avoid installation difficulties, do not run the garage door opener until instructed to do so.
The front rail has a cut out “window” at the door end. The rail tab MUST be on top of the rail when assembled.
1. Remove the straight door arm and hanging bracket packaged inside the front rail and set aside for
Installation Step 5 and 9. NOTE: To prevent INJURY while unpacking the rail carefully remove the
straight door arm stored within the rail section.
2. Align the rail sections on a flat surface as shown and slide the tapered ends into the larger ones. Tabs
along the side will lock into place.
3. Place the motor unit on packing material to protect the cover, and rest the back end of the rail on top.
For convenience, put a support under the front end of the rail.
4. As a temporary stop, insert a screwdriver into the hole in the second rail section from the motor unit,
as shown.
5. Check to be sure there are 4 plastic wear pads inside the inner trolley. If they became loose during
shipping, check all packing material. Snap them back into position as shown.
6. Slide the trolley assembly toward the screwdriver as shown.
7. Slide the rail onto the “U” bracket, until it reaches all the stops on the top and sides of the “U” bracket.
Wear Pads
Front Rail Section
(TO DOOR)
“U” Bracket
(TO MOTOR UNIT)
Trolley
Rail Tab
On Top
Slide to stops
on top and sides
of “U” bracket
Screwdriver

8
AssemblySTEP2FastentheRailtotheMotorUnitTo avoid SERIOUS damage to garage door opener, use ONLY those bolts/fasteners mounted in the top of
the opener.
1. Insert a 1/4"-20 x 1-3/4" bolt into the cover protection bolt hole on the back end of the rail as shown.
Tighten securely with a 1/4"-20 lock nut. DO NOT overtighten.
2. Remove the bolts from the top of the motor unit.
3. Use the carton to support the front end of the rail.
4. Place the “U” bracket, flat side down onto the motor unit and align the bracket holes with the bolt
holes.
5. Fasten the “U” bracket with the previously removed bolts; DO NOT use any power tools. The use of power
tools may permanently damage the garage door opener.
6. Attach chain spreader to the motor unit with two screws.
Bolt
1/4"-20x1-3/4"
Lock Nut
1/4"-20
HARDWARE
“U” Bracket
Hex Screws
8-32x7/16
Cover Protection
Bolt Hole
Bolt
Lock Nut
Bolts (Mounted in the
garage door opener) Chain
Spreader

9
AssemblySTEP3InstalltheIdlerPulley1. Lay the chain/cable beside the rail, as shown. Grasp the end of the cable and pass approximately 12"
(30 cm) of cable through the window. Allow it to hang until Assembly Step4.
2. Remove the tape from the idler pulley. The inside center should be pre-greased. If dry, regrease to
ensure proper operation.
3. Place the idler pulley into the window as shown.
4. Insert the idler bolt from the top through the rail and pulley. Tighten with a 3/8" lock washer and nut
underneath the rail until the lock washer is compressed.
5. Rotate the pulley to be sure it spins freely.
6. Locate the rail tab. The rail tab is near the idler pulley on the front rail section. Use a flat head
screwdriver and lift the rail tab until the tab is vertical (90º).
Rail
Idler Pulley
Grease Inside Pulley
Bolt
Chain/cable
Lock Washer
Nut
Bolt Nut 3/8" Lock Washer 3/8"
HARDWARE
Rail Tab

10
AssemblySTEP4InstalltheChain1. Pull the cable around the idler pulley and toward the trolley.
2. Connect the cable to the retaining slot on the trolley, as shown. (Figure 1)
a. Push pins of master link bar through cable link and trolley slot.
b. Push master link cap over pins and past pin notches.
c. Slide the closed end of the clip-on spring over one of the pins. Push the open end of the clip-on
spring onto the other pin.
3. With the trolley against the screwdriver, dispense the remainder of the cable/chain along the rail
toward the motor unit around the sprocket and continuing to the trolley assembly. The sprocket teeth
must engage the chain. (Figure 2)
4. Check to make sure the chain is not twisted, then connect it to the threaded shaft with the remaining
master link.
5. Thread the inner nut and lock washer onto the trolley threaded shaft.
6. Insert the trolley threaded shaft through the hole in the trolley. Be sure the chain is not twisted. (Figure
3)
7. Loosely thread the outer nut onto the trolley threaded shaft.
8. Remove the screwdriver.
Sprocket
Figure 1
Figure 2
HARDWARE
Master
Link
Threaded Shaft
Threaded
Shaft
Outer Nut
Inner Nut
Lock Washer
Master Link
Master
Link
Figure 3
a.
b.
c.

11
AssemblySTEP5TightentheChain1. Spin the inner nut and lock washer down the trolley threaded shaft, away from the trolley.
2. To tighten the chain, turn the outer nut in the direction shown.
3. When the chain is approximately 1/4" (6 mm) above the base of the rail at it's midpoint, retighten the
inner nut to secure the adjustment.
Sprocket noise can result if the chain is too loose. When installation is complete, you may notice some chain
droop with the door closed. This is normal. If the chain returns to the position shown when the door is open,
do 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.
Outer
Nut
Lock
Washer
Trolley
Threaded
Shaft
Inner Nut
To Tighten
Inner Nut
To Tighten Outer Nut
Base of Rail Mid length of Rail
Chain
1/4" (6 mm)

12
InstallationIMPORTANT 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 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.
4. Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing opener to avoid
entanglement.
5. Where possible, install the door opener 7 feet (2.13 m) or more above the 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 connect garage 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 small children at a minimum height of 5feet (1.5m) above floors, landings, steps
or any other adjacent walking surface.
laway from ALL moving parts of the door.
10. Place entrapment warning label on wall next to garage door control in a prominent location.
11. Place emergency 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. DO NOT install on a one-piece door if using devices or features providing unattended close.
Unattended devices and features are to be used ONLY with sectional doors.
14. SAVE THESE INSTRUCTIONS.

13
InstallationSTEP1DeterminetheHeaderBracketLocationTo prevent possible SERIOUS INJURY or DEATH:
lHeader 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.
lConcrete anchors MUST be used if mounting header bracket or 2x4 into masonry.
lNEVER try to loosen, move or adjust garage 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 might NOT reverse when required.
Installation procedures vary according to garage door types. Follow the instructions which apply to your door.
1. Close the door and mark the inside vertical centerline of the garage door.
2. Extend the line onto the header wall above the door. You can fasten the header bracket within 4 feet
(1.22m) 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 14) when clearance is minimal. (It may be 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 as shown here and on page 14.
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:
l2" (5 cm) above the high point for sectional door and one-piece door with track.
l8" (20 cm) above the high point for one-piece door without track.
This height will provide travel clearance for the top edge of the door. NOTE: If the total number of inches
exceeds the height available in your garage, use the maximum height possible, or refer to page 14 for ceiling
installation.
Header Wall Vertical Centerline of Garage Door
2x4 Structural
Supports
Level
(Optional)
Unfinished
Ceiling
2x4
OPTIONAL CEILING MOUNT
FOR HEADER BRACKET
Sectional door with curved track
Header Wall
Track
2" (5 cm)
Highest
Point of
Travel
Door
One-piece door with horizontal track
Header Wall
Track
2" (5 cm)
Highest
Point of
Travel
Door
One-piece door without track:
jamb hardware
Header Wall
8" (20 cm)
Highest
Point of
Travel
Door
Jamb
Hardware
One-piece door without track:
pivot hardware
Header Wall
8" (20 cm)
Highest
Point of
Travel
Door
Pivot

14
InstallationSTEP2InstalltheHeaderBracketYou 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).
Lag Screw 5/16"-9x1-5/8"
HARDWARE
OPTIONA-WALLINSTALLATION1. 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).
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.
OPTIONB-CEILINGINSTALLATION1. Extend the vertical centerline onto the ceiling as shown.
2. Center the bracket on 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
Wall Mounting
Holes
WALL INSTALLATION
CEILING INSTALLATION
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
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

15
InstallationSTEP3AttachtheRailtotheHeaderBracket1. 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 will need help. Have someone hold the opener securely on a
temporary support to allow the rail to clear the spring.
2. Position the rail bracket against the header bracket.
3. Align the bracket holes and join with a clevis pin as shown.
4. Insert a ring fastener to secure.
HARDWARE
Clevis Pin
5/16"x1-1/2" Ring Fastener
Clevis Pin
Ring Fastener
STEP4PositiontheGarageDoorOpenerTo prevent damage to garage door, rest garage door opener rail on 2x4 placed on top section of door.
1. Remove the packing material and lift the garage door opener onto a ladder.
2. Fully open the door and place a 2x4 (laid flat) under the rail. For one-piece doors without tracks, lay the
2x4 on it's side.
NOTE: A 2x4 is ideal for setting the distance between the rail and the door. If the ladder is not tall enough you
will need help at this point. If the door hits the trolley when it is raised, pull the trolley release arm down to
disconnect the inner and outer trolley. Slide the outer trolley toward the garage door opener. The trolley can
remain disconnected until instructed.
Connected Disconnected
One-piece door
without tracks
2x4 2x4
All other
door types

16
InstallationSTEP5HangtheGarageDoorOpenerTo 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.
Hanging the garage door opener will vary depending on your garage. Below are three example installations.
Your installation may be different. For ALL installations the garage door opener MUST be connected to
structural supports. The instructions illustrate one of the examples below.
1. On finished ceilings, use the lag screws to attach a support bracket (not provided) to the structural
supports before installing the garage door opener.
2. Make sure the garage door opener is aligned with the header bracket. Measure the distance from each
side of the garage door opener to the support bracket.
3. Cut both pieces of the hanging bracket to required lengths.
4. Attach the end of each hanging bracket to the support bracket with appropriate hardware (not
provided).
5. Attach the garage door opener to the hanging brackets with the hex bolts, lock washers, and nuts.
6. Remove the 2x4 and manually close the door. If the door hits the rail, raise the header bracket.
Finished Ceiling
Lag Screw
123
Not Provided
Not
Provided
Not Provided
4 5 6
Lag Screw
Finished Ceiling
EXAMPLES
Unfinished Ceiling
HARDWARE
Hex Bolt
5/16"- 18x7/8"
Nut
5/16"-18
Lock Washer
5/16"-18
Lag Screw
5/16"-9x1-5/8"
Hex Bolt
Nut
Lock
Washer

17
InstallationSTEP6InstalltheLightBulbTo prevent possible OVERHEATING of the end panel or light socket:
lUse ONLY A19 light bulbs.
lDO NOT use incandescent bulbs larger than 100W.
lDO NOT use compact fluorescent light bulbs larger than 26W (100W equivalent).
lDO NOT use halogen bulbs.
lDO NOT use short neck or specialty light bulbs.
LED bulbs may cause remote control radio interference. Use ONLY LED bulbs recommended here:
chamberlain.com/bulb.
1. Pull light lens down.
2. Insert light bulb.
3. Close light lens. STEP7AttachtheEmergencyReleaseRopeandHandleTo prevent possible SERIOUS INJURY or DEATH from a falling garage door:
lIf 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.
lNEVER use emergency release handle unless garage doorway is clear of persons and obstructions.
lNEVER use handle to pull door open or closed. If rope knot becomes untied, you could fall.
1. Insert one end of the emergency release rope through the handle. Make sure that “NOTICE” is right
side up. Secure with an overhand knot at least 1" (2.5 cm) from the end of the rope to prevent slipping.
2. Insert the other end of the emergency release rope through the hole in the trolley release arm. Mount
the emergency release within reach, but at least 6 feet (1.83m) above floor, avoiding contact with
vehicles to prevent accidental release and secure with an overhand knot.
NOTE: If it is necessary to cut the emergency release rope, seal the cut end with a match or lighter to prevent
unraveling. Ensure the emergency release rope and handle are above the top of all vehicles to avoid
entanglement.

18
InstallationSTEP8InstalltheDoorBracketFiberglass, aluminum or lightweight steel garage doors WILL REQUIRE reinforcement BEFORE installation
of door bracket. Contact the garage door manufacturer or installing dealer for opener reinforcement
instructions or reinforcement kit. Failure to reinforce the top section as required according to the door
manufacturer may void the door warranty.
A horizontal and vertical reinforcement is needed for lightweight garage doors (fiberglass, aluminum, steel,
doors with glass panel, etc.) (not provided). 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. Contact the garage door manufacturer or installing dealer for opener reinforcement instructions or
reinforcement kit.
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 the next step.
OPTIONA-SECTIONALDOORS1. Center the door bracket on the previously marked vertical centerline used for the header bracket
installation. Note correct UP placement, as stamped inside bracket.
2. Position the top edge of the bracket 2"-4" (5-10cm) below the top edge of the door, OR directly below
any structural support across the top of the door.
3. Mark, drill holes and install as follows, depending on your door’s construction.
Metal or light weight doors using a vertical angle iron brace in the door panel support and the door
bracket:
lDrill 3/16" fastening holes. Secure the door bracket using the two 1/4"-14x5/8" self-threading screws.
(Figure1)
lAlternately, use two 5/16"-18x2" bolts, lock washers and nuts (not provided). (Figure2)
Metal, insulated or light weight factory reinforced doors:
lDrill 3/16" fastening holes. Secure the door bracket using the self-threading screws. (Figure3)
Wood doors:
lUse top and bottom or side to side door bracket holes. Drill 5/16" holes through the door and secure
bracket with 5/16"-18x2" carriage bolts, lock washers and nuts (not provided). (Figure4)
NOTE: The 1/4"-14x5/8" self-threading screws are not intended for use on wood doors.
FIGURE 1
FIGURE 3 FIGURE 4
FIGURE 2
Vertical
Reinforcement
Vertical
Centerline
of Garage Door
UP
Door Bracket
Vertical Reinforcement
Vertical Reinforcement
Horizontal Reinforcement
Vertical Centerline
of Garage Door
Hardware
(not provided)
Door Bracket
UP
Vertical
Centerline
of Garage Door
UP
Vertical Centerline of
Garage Door
Hardware
(not provided)
UP
Inside Edge of Door or
Reinforcement Board
Self-Threading Screw
Self-Threading
Screw
HARDWARE
Self-Threading Screw
1/4"-14x5/8"

19
InstallationSTEP8InstalltheDoorBracket(continued)OPTIONB-ONE-PIECEDOORS1. Center the door bracket on the top of the door, in line with the header bracket as shown.
2. Mark either the left and right, or the top and bottom holes.
Metal Doors:
lDrill 3/16" pilot holes and fasten the bracket with the self-threading screws provided.
Wood Doors:
lDrill 5/16" holes and use 5/16"-18x2" carriage bolts, lock washers and nuts (not provided) or 5/16"x1-
1/2" lag screws (not provided) depending on your installation needs.
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.)
For a door with no exposed
framing, or for the optional
installation, use lag screws
5/16"x1-1/2" (not provided)
to fasten the door bracket.
Vertical
Centerline
of Garage
Door
Optional
Placement
of Door
Bracket
Door Bracket
Header Bracket
Header Wall
2x4 Support (Finished Ceiling)
Door
Bracket
Top of Door
(Inside Garage)
Top Edge of
Door
Optional
Placement
Optional
Placement
Top Edge
of Door
Top of Door
(Inside Garage)
Door
Bracket
Hardware
(not provided)
Hardware
(not provided)
Metal Door Wood Door
Self-Threading Screw

20
InstallationSTEP9ConnecttheDoorArmtotheTrolleyInstallation will vary according to the garage door type. Follow the instructions which apply to your door.
OPTIONA-SECTIONALDOORSIMPORTANT: The groove on the straight door arm MUST face away from the curved door arm.
1. Close the door. Disconnect the trolley by pulling the emergency release handle.
2. Attach the straight door arm to the outer trolley using the clevis pin. Secure with the ring fastener.
3. Attach the curved door arm to the door bracket using the clevis pin. Secure with the ring fastener.
4. 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 and attach using the bolts, nuts, and lock washers.
5. Pull the emergency release handle toward the garage door opener until the trolley release arm is
horizontal. The trolley will re-engage automatically when the garage door opener is activated.
NOTE: If the holes in the curved door arm and the straight door arm do not align, reverse the straight door
arm, select two holes (as far apart as possible) and attach using bolts, nuts, and lock washers. If the straight
door arm is hanging down too far, you may cut 6" (15 cm) from the solid end.
HARDWARE
Hex Bolt 5/16"-18x7/8"
Nut 5/16"-18
Lock Washer
5/16"-18
Clevis Pin 5/16"x1"Clevis Pin 5/16"x1-1/4"
Ring Fastener
Lock Washer
Nut
Hex Bolt
Clevis Pin
5/16"x1-1/4"
Cut If Needed
Ring Fastener
Clevis Pin
5/16"x1"
Straight
Door Arm
(Groove
facing out)
Curved
Door Arm