Chamberlain POWER DRIVE PD300 User manual

The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.chamberlain.com
CONTENTS
Preparation .............................. 1-4
Assembly................................. 5-9
Installation............................ 10-19
Install the Door Control ............. 20-21
Install the Protector System®...... 22-25
Power.................................. 26-27
Adjustments .......................... 28-30
Operation.................................. 31
Using Your Garage Door Opener ...... 32
Using the Wall-Mounted
Door Control .............................. 32
To Open the Door Manual .............. 33
Care of Your Opener..................... 33
Having a Problem? ...................... 34
Diagnostic Chart ......................... 35
Programming......................... 36-37
The Remote Control Battery............ 38
Accessories............................... 39
Warranty .............................. 40-41
Repair Parts .......................... 42-43
1/2 hp Chain Drive
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 front panel of your garage
door opener.
FOR RESIDENTIAL USE ONLY
Serial Number:
Date of Purchase:
Write down the following information
for future reference:
.
.
PD210 • PD212D •
PD300 • LW2000 •
HD200D • 248730
PD610D • PD612D •
HD400D • LW3000
There are two types of garage door openers pictured.
Yours may appear slightly different.
®

1
Safety Symbol and Signal Word Review
This garage door opener has been designed and tested to offer safe service provided it isinstalled,
operated,maintained and tested in strictaccordance with the instructions and warnings contained in this
manual.
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 ifyou do notcomply 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,it will alert you to the possibilityof damage to
your garage door and/or the garage door opener if you do notcomply with the cautionary statements that
accompany it. Read them carefully.
Check the Door
To prevent possible SERIOUSINJURYor DEATH:
• ALWAYS call a trained door systems technician if garage door binds, sticks, or is out of balance.
An unbalanced garage door may NOTreverse when required.
• NEVER try to loosen, move or adjust garage door, door springs, cables, pulleys, brackets or their
hardware, ALLof which are under EXTREMEtension.
• Disable ALLlocks and remove ALLropesconnected to garage door BEFORE installation and
operating garage door opener to avoid entanglement.
To preventdamage to garage door and opener:
• ALWAYS disable locks BEFORE installing and operating the opener.
• ONLY operate garage door opener at120 V, 60 Hz to avoid malfunction and damage.
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 checkfor 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. Anygap between the floor
and the bottomof the door mustnotexceed 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 leftor right ofthe
door center.See page 13.
Torsion
Spring
Extension
Spring
OR
Preparation

2
Additional Items You May Need:
Surveyyour garage area to see ifyou will need any of the following items:
n(2) 2X4 PIECES OF WOOD
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 safetyreversing sensors.
nSUPPORT BRACKET AND FASTENING HARDWARE
Must be used if you have a finished ceiling in your garage.
nEXTENSION BRACKETS (MODEL 41A5281) OR WOOD BLOCKS
Depending upon garage construction,extension brackets or wood blocks may be needed to
install the safety reversing sensor.
nFASTENING HARDWARE
Alternate floor mounting of the safety reversing sensor will require hardware not provided.
nOUTSIDEQUICKRELEASE (MODEL 7702CB)
Required for a garage with NO accessdoor.
nDOOR REINFORCEMENT
Required if you have a lightweight steel, aluminum, fiberglass or glass panel door.
nRAIL EXTENSION KIT
Required ifyour garage door is more than 7 feet (2.13 m) high.
Tools Needed
2
1
3/16
7/16
1/2
5/32
5/16
5/8
9/16
1/4
7/16
Preparation

3
Carton Inventory
Your garage door opener ispackaged in one carton which contains the motor unit and all parts
illustrated below.Accessories varydepending on the garage door opener model purchased.Depending
on your model, other accessoriesmay be included with your garage door opener. Instructions for these
accessorieswill be attached to the accessoryand are not included in this manual.Ifanything is missing,
carefully check the packing material. Hardware for assembly and installation is shown on the nextpage.
Save the carton and packing material until the installation and adjustment is complete. The images
throughout this manual are for reference only and your product may look different.
A. Header bracket
B. Pulley
C. Door bracket
D. Curved door arm
E. Straight door arm (Packaged inside front rail section)
F. Trolley
NOTE: Be sure to assemble the trolley before sliding onto rail.
G. Emergency release rope and handle
H. Rail (1 front and 4 center sections)
I. Hanging brackets (2) (Packaged inside the front rail section)
J. Garage door opener (motor unit)
K. Chain spreader with screws
L. “U” bracket
M. Chain and cable
N. Door control (Door Control Button or Multi-Function Door Control)
O. Remote control
P. 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)
Q. Keyless Entry (Depending on the model purchased)
NOTSHOWN
White and red/white wire
Owner's manual
N
A
B
C
H
K
J
I
D
E
F
G
L
M
P
OR
Models
LW2000,
HD200D,
PD300,
and
248730
All
Other
Models
OR
O Q
Models
PD210D (1)
PD212D (2)
PD300 (1)
LW2000 (1)
HD200D (1)
248730 (1)
Models
PD610D (1)
PD612D (2)
HD400D (2)
LW3000 (2)
Models
HD400D
LW3000
Preparation

4
Hardware Inventory
Bolt
1/4"-20x1-3/4"
Lock Nut
1/4"-20
Bolt
Nut 3/8" Lock Washer 3/8"
Master Link
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"
Carriage Bolt
1/4"-20x1/2" (2)
Wing Nut 1/4"-20 (2)
ASSEMBLY HARDWARE INSTALLATION HARDWARE
Screw 6ABx1" (2)
Drywall Anchors (2)
Screw 6-32x1" (2)
DOOR CONTROL HARDWARE
Insulated
Staples
(Not Shown)
Lag Screw 5/16"-9x1-5/8" (4)
Threaded
Shaft
Preparation

5
Assembly
STEP 1 Assemble the rail and trolley
To 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 cutout “window” atthe door end (see illustration).The hole above this window is
larger on the top of the rail than on the bottom.A smaller hole 3-1/2" (8.9 cm) away is close to the rail
edge. Rotate the backrail so ithas a similar hole close to the opposite edge, about 4-3/4" (12 cm) from
the far end.
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 flatsurface asshown and slide the tapered ends into the larger
ones. Tabsalong the side will lockinto place.
3. Place the motor unit on packing material to protectthe cover,and rest the back end of the rail
on top. For convenience, puta support under the front end ofthe rail.
4. As a temporary stop, insert a screwdriver into the hole 10" (25 cm) from the front end ofthe rail,
as shown.
5. Check to be sure there are 4 plastic wear pads inside the inner trolley.Ifthey became loose
during shipping, check all packing material. Snap them back into position as shown.
6. Slide the trolley assemblytoward the screwdriver as shown.
7. Slide the rail onto the “U” bracket, until itreaches all the stops on the top and sides ofthe “U”
bracket.
To garage
door opener
(TO MOTOR UNIT)
Front Rail
Section
(TO DOOR)
“U” Bracket
Outer Trolley
Inner Trolley
Wear Pads
Rail
Tab
Trolley
Window
Cut-Out
SLIDE TO STOPS
ON TOP AND
SIDES OF
“U” BRACKET
Idler
Pulley
Hole

6
Assembly
STEP 2 Fasten the rail to the motor unit
To avoid SERIOUS damage to garage door opener, use ONLY those bolts/fasteners mounted in the
top of the opener.
To avoid possible SERIOUSINJURYto fingers:
lSecurelyattach chain spreader.
lNEVERconnect garage door opener to power source until instructed to do so.
1. Insert a 1/4"-20x1-3/4" boltinto the cover protection bolthole on the backend ofthe rail as
shown.Tighten securely with a 1/4"-20 locknut.Do NOT overtighten.
2. Remove the two bolts from the top of the motor unit.
3. Use the carton to supportthe front end ofthe rail.
4. Place the “U” bracket,flat side down onto the motor unitand align the bracketholes with the
bolt holes.
5. Fasten the “U” bracket with the previouslyremoved bolts; DO NOT use any power tools. The
use of power toolsmaypermanentlydamage the garage door opener.
6. Attach spreader to the motor unit with two screws.
(Mounted in the
Bolts
garage door opener)
HARDWARE
Bolt 1/4"-20x1-3/4"
Lock Nut 1/4"-20
“U” Bracket
Bolts
Hex Screws
8-32x7/16
Cover
Protection
Bolt Hole
Bolt
1/4"-20x1-3/4"
Lock Nut 1/4"-20

7
Assembly
STEP 3 Install the idler pulley
1. Lay the chain/cable beside the rail, asshown. Grasp the end with the cable loop and pass
approximately12" (30 cm) ofcable through the window.Allowit 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 asshown.
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 pulleyto be sure itspins freely.
6. Locate the rail tab.The rail tab isbetween the idler bolt and the trolley in the frontrail section.
Use a flathead screwdriver and lift the rail tab until the tab is vertical (90º).
HARDWARE
Bolt Nut 3/8"
Lock Washer 3/8"
Screwdriver
Rail
Idler Pulley
Grease Inside Pulley
Bolt
Lock Washer 3/8"
Nut 3/8"
Rail
Tab
CORRECT
INCORRECT
Rail Tab

8
Assembly
STEP 4 Install the chain
1. Pull the cable around the idler pulleyand toward the trolley.
2. Connectthe cable to the retaining slot on the trolley.(a)
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 clip-on spring over cap and onto pin notches until both pins are securely
locked in place.
3. With the trolley againstthe screwdriver,dispense the remainder ofthe cable/chain along the
rail toward the motor unit into the sloton the chain spreader, around the sprocketonto the
chain spreader and continuing to the trolley assembly. The sprocket teeth mustengage the
chain. (b)
4. Check to make sure the chain isnot twisted, then connect it to the threaded shaft with the
remaining master link.
5. Thread the inner nut and lockwasher onto the trolley threaded shaft.
6. Insert the trolley threaded shaftthrough the hole in the trolley.Be sure the chain is not
twisted. (c)
7. Loosely thread the outer nut onto the trolley threaded shaft.
8. Remove the screwdriver.
HARDWARE
Master
Link
Threaded Shaft
c.
Threaded
Shaft
Outer
Nut
Front Rail
Section
(TO DOOR)
Inner
Nut
Lock
Washer
Master Link
Master
Link
b.
a.
Sprocket

9
Assembly
STEP 5 Tighten the chain
1. Spin the inner nutand lockwasher down the trolley threaded shaft, away from the trolley.
2. To tighten the chain,turn the outer nutin the direction shown.
3. When the chain is approximately1/4" (6 mm) above the base of the rail at it's midpoint,re-
tighten the inner nut to secure the adjustment.
Sprocket noise can resultif 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.
NOTES:
lDuring future maintenance, ALWAYS pull the emergency release handle to disconnectthe
trolley before adjusting the chain.
lYou may notice loosening of the chain after Adjustment Step 3 (Test the Safety Reversal
System). Check for proper tension and readjust chain if necessary. Then repeat Adjustment
Step 3.
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)

10
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 result in SEVERE
INJURY or DEATH.
3. ALL repairsto cables, spring assembliesand other hardware MUST be made bya trained
door systemstechnician 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 vehiclesto avoid accidental release.
7. NEVER connectgarage door opener to power source until instructed to do so.
8. NEVERwear watches,ringsor loose clothing while installing or servicing opener. They could
be caughtin garage door or opener mechanisms.
9. Install wall-mounted garage door control:
• within sight ofthe garage door.
• out of reach of children at minimum height of 5 feet (1.5 m).
• away 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 testlabel in plain view on inside ofgarage 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.

11
Installation
STEP 1 Determine the header bracket location
To prevent possible SERIOUS INJURY or DEATH:
• Header bracket MUST be RIGIDLY fastened to structural support on header wall or ceiling,
otherwise garage door might NOT reverse when required. DO NOT install header bracket over
drywall.
• Concrete anchors MUST be used if mounting header bracketor 2x4 into masonry.
• NEVER try to loosen, move or adjust garage door, springs, cables, pulleys, brackets, or their
hardware,ALL of which are under EXTREME tension.
• ALWAYS call a trained door systems technician if garage door binds, sticks, or is out of balance.
An unbalanced garage door might NOT reverse when required.
Installation procedures vary according to garage door types. Follow the instructions which apply to your
door.
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 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 bracketon 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 highestpoint oftravel as shown. Draw an intersecting horizontal line on
the header wall 2" (5 cm) above the high point:
l2" (5 cm) above the high pointfor sectional door and one-piece door with track.
l8" (20 cm) above the high pointfor one-piece door withouttrack.
This heightwill provide travel clearance for the top edge ofthe door.NOTE:If the total number of inches
exceeds the height available in your garage, use the maximum height possible, or refer to page 12 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

12
Installation
STEP 2 Install the header bracket
You can attach the header bracket either to the wall above the garage door, or to the ceiling. Follow the
instructions which will work best for your particular requirements. Do not installthe header bracket over
drywall. If installing into masonry, use concrete anchors (not provided).
HARDWARE
Lag Screw 5/16"-9x1-5/8"
OPTION A WALL INSTALLATION
1. Center the bracketon the vertical centerline with the bottom edge ofthe bracket on the
horizontal line as shown.
2. Mark the vertical set ofbracket 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 againstthe 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"

13
Installation
STEP3 Attach the rail to the header bracket
1. Align the rail with the header bracket.Insertthe clevis pin through the holesin the header
bracket and rail. Secure with the ring fastener.
NOTE: Use the packing material as a protective base for the garage door opener.
HARDWARE
Clevis Pin 5/16"x1-1/2" Ring Fastener
Clevis Pin
5/16"x1-1/2"
Ring Fastener
STEP 4 Position the garage door opener
To 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. Fullyopen the door and place a 2x4 (laid flat) under the rail. For one-piece doorswithout
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
All other
door types

42
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Finished Ceiling 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"
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Finished
Ceiling (not provided)
Lag Screw
5/16"-
9x1-5/8"
123
(not
provided)
Hex Bolt
5/16"- 18x7/8"
Nut 5/16"-18
Lock Washer
5/16"-18
456
Lag Screw
5/16"-
9x1-5/8"
14

15
Installation
STEP 6 Install the light bulbs
To prevent possible OVERHEATING of the endpanel or light socket:
lDO NOT use short neck or specialty light bulbs.
lDO NOTuse halogen bulbs. Use ONLY incandescent.
To preventdamage to the opener:
lDO NOTuse bulbs larger than 100W.
lONLY use A19 size bulbs.
1. Install a 100 wattmaximum lightbulb in each socket.Light bulb size should be A19, standard
neckonly.The lights will turn ON and remain lit for approximately 4-1/2 minutes when power is
connected. Then the lightswill turn OFF.
2. Insert bottom lens tabs into slots on chassis.Tilt towards chassis to engage top tabs,then drop
down gently into place (see illustration).
3. To remove,depress both top lens tabs. Tilt lens slightlyoutward and down, then pull out to
clear bulbs.Use care to avoid snapping offbottom lens tabs.
4. Use A19, standard neck garage door opener bulbs for replacement.
NOTE: Use only standard light bulbs. The use of short neck or speciality light bulbs may overheat the
endpanel or light socket.
STEP 7 Attach the emergency release rope and handle
To prevent possible SERIOUS INJURY or DEATHfrom a falling garage door:
• If possible,use emergencyrelease handle to disengage trolley ONLY when garage door is
CLOSED. Weak or broken springs or unbalanced door could result in an open door falling rapidly
and/or unexpectedly.
• NEVER use emergency release handle unless garage doorway is clear of persons and
obstructions.
• NEVER use handle to pull door open or closed.Ifrope knotbecomes untied,you could fall.
1. Insert one end of the emergency release rope through the handle. Make sure that “NOTICE” is
rightside up.Tie a knotatleast 1 inch (2.5 cm) from the end of the emergencyrelease rope.
2. Insert the other end ofthe emergencyrelease 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
contactwith vehicles to prevent accidental release and secure with a 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.
NOTICE

16
Installation
STEP 8 Install the door bracket
Fiberglass, aluminum or lightweight steel garage doors WILLREQUIRE reinforcement BEFORE
installation ofdoor bracket.Contact your door manufacturer for reinforcement kit.
Figure 1 shows one piece ofangle iron as the horizontal brace. For the vertical brace,2 piecesof angle
iron are used to create a U-shaped support. The best solution is to checkwith your garage door
manufacturer for an opener installation door 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.
A horizontal and vertical reinforcementis needed for
lightweight garage doors (fi berglass, 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.
FIGURE 1
Self-Threading Screw
1/4"-14x5/8"
HARDWARE
OPTION A SECTIONALDOORS
1. Center the door bracket on the previouslymarked vertical centerline used for the header
bracket installation. Note correct UP placement, as stamped inside the bracket.
2. Position the top edge ofthe bracket 2"-4" (5-10 cm) below the top edge ofthe 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 between the door panel support
and the door bracket:
• Drill 3/16" fastening holes.Secure the door bracket using the two self threading screws.
(Figure 2)
• Alternately, use two 5/16" bolts, lock washers and nuts (not provided). (Figure 3)
Metal, insulated or light weight factory reinforced doors:
• Drill 3/16" fastening holes.Secure the door bracketusing the self-threading screws.
(Figure 4)
Wood Doors:
• Use top and bottom or side to side door bracketholes.Drill 5/16" holes through the door and
secure bracket with 5/16"x2" carriage bolts, lock washers and nuts (not provided). (Figure 5)
NOTE: The 1/4"-14x5/8" self-threading screws are not intended for use on wood doors.
FIGURE 2
FIGURE 4 FIGURE 5
FIGURE 3
Vertical
Reinforcement
Vertical Centerline
of Garage Door
UP
Door Bracket
Vertical Reinforcement
Vertical Centerline
of Garage Door
Bolt 5/16"-18x2"
(not provided)
Lock Washer 5/16"
Nut 5/16"-18
Door Bracket
UP
Vertical
Centerline
of Garage
Door
UP
Vertical Centerline of
Garage Door
Bolt 5/16"-18x2"
(not provided)
UP
Inside Edge of Door or
Reinforcement Board
Self-Threading Screw
1/4"-14x5/8"
Self-Threading
Screw
1/4"-14x5/8"

17
Installation
STEP 8 Install the door bracket (continued)
OPTION B ONE-PIECEDOORS
1. Center the door bracket on the top ofthe door, in line with the header bracket as shown.
2. Mark either the left and right, or the top and bottom holes.
Metal Doors:
• Drill 3/16" pilotholes and fasten the bracketwith the self-threading screws provided.
Wood Doors:
• Drill 5/16" holes and use 5/16"x2" carriage bolts, lock washers and nuts (not provided) or 5/16"x1-
1/2" lag screws(not provided) depending on your installation needs.
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
Carriage Bolt 5/16"x2"
(not provided)
Nut 5/16"-18
Lock Washer 5/16"
Metal Door Wood Door
Self-Threading
Screw 1/4"-14x5/8"

18
Installation
STEP 9 Connect the door arm to the trolley
Installation will vary according to the garage door type.Follow the instructionswhich applyto your door.
OPTION A SECTIONAL DOORS
IMPORTANT: The groove on the straightdoor armMUST face awayfrom the curved door arm.
1. Close the door.Disconnectthe trolley bypulling the emergencyrelease handle.
2. Attach the straightdoor arm to the outer trolley using the clevispin. 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 pairsofholesthat line up and join sections.Selectholes
as far apartaspossible to increase door arm rigidity and attach using the bolts, nuts, and lock
washers.
5. Pull the emergencyrelease handle toward the garage door opener until the trolley release
arm ishorizontal.The trolley will re-engage automaticallywhen 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 inches (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
Straight
Door Arm Curved
Door
Arm
(Groove
facing
out)
CORRECT
Straight
Door
Arm Curved
Door
Arm
INCORRECT
Lock Washer
5/16" -18
Nut
5/16"-18
Hex Bolt 5/16"-18x7/8"
Clevis Pin 5/16"x1-1/4"
Ring Fastener Clevis Pin
5/16"x1"

19
Installation
STEP 9 Connect the door arm to the trolley (continued)
OPTION B ONE-PIECE DOORS
1. Assemble the door arm, Figure 1:
IMPORTANT: The groove on the straight door arm MUST face away from the curved door arm.
• Fasten the straight and curved door arm sections together to the longestpossible length (with a 2 or 3
hole overlap).
• With the door closed, connect the straight door arm section to the door bracket with the 5/16"x1-1/4"
clevis pin.Secure with a ring fastener.
2. Adjustment procedures:
• On one-piece doors, before connecting the door arm to the trolley,the travel limitsmustbe adjusted.
Limit adjustmentscrews are located on the left side panel as shown on page 28. Follow adjustment
procedures below.
• Open door adjustment : Decrease UP travel limit
nTurn the UP limit adjustment screwcounterclockwise 4 turns.
nPress the door control push button. The trolley will travel to the fullyopen position.
nManuallyraise the door to the open position (parallel to the floor), and liftthe door arm to the
trolley. The arm should touch the trolley just in the backofthe door arm connector hole.Ifthe
arm does not extend far enough, adjust the limit further. One full turn equals 2" (5 cm) of trolley
travel.
• Closed door adjustment :Decrease DOWN travel limit
nTurn the DOWN limit adjustment screw clockwise 4 complete turns.
nPress the door control push button. The trolley will travel to the fullyclosed position.
nManuallyclose the door and lift the door arm to the trolley.The arm should touch the trolley
just ahead of the door arm connector hole. If the arm is behind the connector hole, adjust the
limitfurther. One full turn equals2" (5 cm) oftrolleytravel.
3. Connect the doorarm to the trolley:
• Close the door and join the curved arm to the connector hole in the trolley with the remaining clevispin.
It maybe necessary to lift the door slightly to make the connection. Secure with a ring fastener.
• Run the opener through a complete travel cycle.If the door has a slight “backward” slant in full open
position as shown in the illustration,decrease the UP limit until the door is parallel to the floor
(Figure 2).
NOTE: A slight backward slant will cause unnecessary bucking and/or jerking operation as the door is
being opened or closed from the fully open position. See page 28 for adjustments.
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
FIGURE 1: Door Closed
FIGURE 2 Inner Trolley
Outer Trolley
Open Door Door with Bacward Slant (Incorrect)
Door Arm
Nut
Ring
Fastener
Ring Fastener
Lock Washer
Clevis Pin
5/16"x1-1/4"
Hex Bolt
Clevis Pin
5/16"x1"
One-Piece Door without Track
One-Piece Door with Track
Ring
Fastener
Ring Fastener
Nut
Lock Washer
Clevis Pin
5/16"x1-1/4" Hex Bolt
Clevis Pin
5/16"x1"
CORRECT
Straight
Door
Arm
(Groove
facing
out)
Curved
Door
Arm
INCORRECT
Straight
Door
Arm
Curved
Door
Arm