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Chamberlain 1000SD, 2000SD channels, sending eye, wing nut, 8.Secure sensors with the hardware shown. Finger, 3.Thread the wires through the tabs on top of the drive shaft cover

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Installation Step 4

(Continued)

Install the Safety Reversing Sensor

7.Center each sensor unit in a “C”- wrap with lenses pointing toward each other across the door (see Figure 6).

8.Secure sensors with the hardware shown. Finger

tighten the wing nut on the	receiving eye	to allow for
final adjustment. Securely tighten the		sending eye
wing nut.
Recommended Wire Routing
1. Using insulated staples, run the wires from both
sensors to the rail at the door header		(see Figure 7).

2.Cross and twist the two wires where they meet the rail (see inset A). Run the wires inside the channels at the top of the rail, along each side, to the power unit and

pull taut (see inset B).	Do not use the lower (trolley)
channels.

NOTE: If your access door is near the garage door, you may choose to install the door control at this time and run the door control wire along the rail with the sensor wires. Use one rail channel for the wall control wire and the other channel for both sensor wires. If you choose this option, follow instructions 1-3 on page 17 now.

3.Thread the wires through the tabs on top of the drive shaft cover.

4.With your screwdriver tip, tuck the wires snugly into the rail channels. You will complete the wiring in Installation Step 7.

	"C" Wrap	Wing
	"C" Wrap	Nut
		Nut

Indicator Light

Sensor with Wire

1/4-20 x 1-1/2" Hex Bolt

Figure 6

Hardware Shown Actual Size

1/4-20 x 1-1/2"

Hex Bolt

Wing Nut

A

Header

Wall

Sensor

Wire

Figure 7

B

Twist	Sensor
Wires	Wire

Header

Bracket

Rail

Channel

1.Run wires from sensors to end of rail at the door header. Cross & twist here to

help contain wires in channels on	top	of rail.
2. Run wires along channels		Bell Wire
2. Run wires along channels
to power unit and pull taut.

3. Thread wires through tabs on top of Drive Shaft Cover.

4. With screwdriver blade, tuck wires snugly into channels.

Foam

Packaging

Carton

Sensor	Invisible Light Beam
	Protection Area	Sensor

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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