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Chamberlain 1000SD, 2000SD power unit, Install the Trolley, Fasten the Rail To the Power Unit, rail until it snaps firmly in place, •Slip the coupling over the rail sprocket, the, the

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Assembly Section: Pages 6 - 7

ASSEMBLY STEP 1

Fasten the Rail To the Power Unit

NOTE: To aid in assembly and installation, replace the foam packing around the power unit. Remove it after Installation Step 5.

•Working on a level surface, align the rail assembly with the power unit, as shown.

•Slip the coupling over the rail sprocket.

•Slide the rail through the power unit bracket until the coupling fits securely over the power unit sprocket.

•Align the two screw holes in the rail with those in the

power unit bracket. Insert two 1/4"-20x5/8" hex screws and lock nuts. Tighten securely with a 7/16" socket wrench.

Rail

Sprocket

Rail

Assembly

Rail/Power Unit	Power Unit
Bracket	Sprocket

Lock Nuts 1/4"-20

Opener

Chassis

Coupling

Hex Screws 1/4"-20x5/8"

Foam Packaging

Hardware Shown Actual Size

1/4" - 20

1/4" - 20 x 5/8" Lock Nut Hex Screw

Trolley

ASSEMBLY STEP 2

Install the Trolley

As illustrated above, slide the trolley onto and along the			Be certain
bottom of	the	rail until it snaps firmly in place.	Be certain
to install it facing correctly: the trolley release arm must
be horizontal		(lock position), with its arrow pointed
away from	the	power unit.

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Contents

Page Determine the header bracket location The Protector System Test the Protector System Start by reviewing these important safety alert symbols: serious injury or death mechanical or from electric shock Read the instructions carefully Test Your Door for Balance • Lift the door about halfway as shown. Release the door It should stay in place, supported entirely by its springs •Raise and lower the door to see if there is any binding or sticking Sectional material. Parts may be "stuck" in the foam INTACT (see on page SECTIONAL Door or ONE-PIECEDoor with Track Installation ONE-PIECEDoor Without Track Installation Fasten the Rail To the Power Unit •Slip the coupling over the rail sprocket •Align the two screw holes in the rail with those in the Hardware Shown Actual Size Install the Trolley An improperly balanced door may not Determine Header Bracket Location ONE PIECE Door with Track 26) •Extend the line onto the header wall above the door of the door center only if a torsion spring or center bearing plate is in the ONE-PIECEDoor Without Track One-piecedoor without track pivot hardware EXAMPLE Distance from top of door Install the Header Bracket Fastening the Header Bracket to the Wall Fastening the Header Bracket to the Ceiling •Extend the vertical guideline onto the ceiling as shown •Mark holes designated for ceiling mount only. Drill Attach the Rail to the Header Bracket •Position the rail bracket against the header bracket •Align the bracket holes and join with a clevis pin as shown •Insert a ring fastener to secure Installation procedures are the same for sectional and one-piecedoors wall garage door tracks sending eye channels Position the Opener Follow instructions which apply to your door type as illustrated ONE-PIECEDoor with Track A 2x4 laid flat is convenient for setting an ideal door- to-raildistance • Raise the opener onto a stepladder each Reversing Sensor wires along the top of the rail. See page only glow steadily receiving eye sending receiving gently avoid snapping off bottom lens tabs neck Fasten Door Bracket SECTIONAL Door Installation Procedure installation. Note the correct UP placement, as stamped inside the bracket installation •Position the bracket on the face of the door within the following limits: All ONE-PIECEDoor Installation Procedure •Drill 5/16" pilot holes and fasten the door bracket with hardware supplied cut end down All ONE-PIECEDoors Assemble the Door Arm: •Fasten the straight and curved door arm sections together to the longest possible length (with a 2 or 3 hole overlap) •Secure with a ring fastener stop stop reverse down Simply wait 15 minutes and try again stops page Test The Protector System •Press the remote control push button to open the door •Place the opener carton in the path of the door reversing sensor is obstructed the indicator light in either sensor is off (alerting you dim or off reverse blink for 5 seconds on on off hold hold force fully closed standard neck KEY PART NO Rack assembly 41A4836 Installation Parts KEY Page Model 1702LM Model 59LM Model 88SD Model 66LM Outside Keylock: Model 82LM 8 foot Complete Rail: Model 83LM To allow an 8 foot door to open fully Garage Door Determining high point of travel: Force controls Travel limits Manual Release Rope & Handle LIMITED WARRANTY ON MOTOR Model 2000SD: Models 1000SD: © 1996, The Chamberlain Group, Inc 114A1794E