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Chamberlain 7520D 1/2 HP Rail Assembly Parts, Installation Parts, NO, NO, NO, NO, KEY, KEY, PART, PART, DESCRIPTION, DESCRIPTION, REPAIR PARTS

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REPAIR PARTS

Rail Assembly Parts

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	KEY	PART
	NO.	NO.	DESCRIPTION
	1	4A1008	Master link kit
	2	41C5141-1	Complete trolley assembly
	3	41A5665-2	Complete rail
	4	144C56	Idler pulley
	5	41A5807	Chain and cable
6	6	12D598-1	“U” bracket
			NOT SHOWN
		183A163	Wear pads

Installation Parts
1	2	4
	2	4

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KEY		PART
NO.		NO.	DESCRIPTION

1		41A4166	Lighted door control button
2		950D	Single-Button remote control
3		10A20	3V2032 Lithium battery
4		29B137	Remote control visor clip
5		41A2828	Emergency release rope and handle
			assembly
6		41B4494-1	2-Conductor bell wire, white and
			white/red
7		41A5047-1	Door bracket w clevis pin & fastener
8		41A5047-2	Header bracket w/clevis pin & fastener
9		41A5034	Safety sensor kit (receiving and
			sending eyes) with 3' (.9 m) 2-
			conductor
			bell wire
10		178B34	Straight door arm section
11		12B776	Hanging bracket
12		178B35	Curved door arm section
13		41A5266-1	Safety sensor brackets (2)
			NOT SHOWN
		41A5258-11	Installation hardware bag
			(includes hardware listed on page 7)
		114A3058	Owner's manual
		114A3058SP	Owner's manual - Spanish

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Contents

For Residential Use Only Introduction Assembly Adjustment Operation Installation11-26 Preparing your garage door Tools needed Planning Planning (Continued) Carton Inventory Hardware Inventory Assemble the Rail & Install the Trolley Fasten the Rail to the Motor Unit Install the Idler Pulley Install the Chain/Cable Tighten the Chain Determine the Header Bracket Location Install the Header Bracket Attach the Rail to the Header Bracket Position the Opener Hang the Opener Install the Door Control Install the Lights Attach the Emergency Release Rope and Handle Electrical Requirements Install The Protector System® INSTALLING THE BRACKETS Garage door track installation (preferred): Wall installation (Figure 2 & 3): Floor installation (Figure 4): MOUNTING AND WIRING THE SAFETY SENSORS ALIGNING THE SAFETY SENSORS TROUBLESHOOTING THE SAFETY SENSORS Fasten the Door Bracket ONE-PIECEDOORS Metal Doors: Connect Door Arm to Trolley ALL ONE-PIECEDOORS 1.Assemble the door arm, Figure 4: 2.Adjustment procedures, Figure 5: •Open door adjustment: decrease UP travel limit •Closed door adjustment: decrease DOWN travel limit Adjust the UP and DOWN Travel Limits Adjust the Force Test the Safety Reversal System Test The Protector System® Using Your Garage Door Opener Using the Wall-MountedDoor Control To Open the Door Manually CARE OF YOUR OPENER LIMIT AND FORCE ADJUSTMENTS: THE REMOTE CONTROL BATTERY Repeat the safety reverse test (Adjustment Step 3, page 29) after any adjustment of limits or force HAVING A PROBLEM 1. My door will not close and the light bulbs blink on my motor unit: 2. My remotes will not activate the door: 3. My door reverses for no apparent reason: 1 FLASH 2 FLASHES 3 FLASHES 4 FLASHES 5 FLASHES To Add or Reprogram a Hand-heldRemote Control To Erase All Codes From Motor Unit Memory *3-ButtonRemotes To Add, Reprogram or Change a Keyless Entry PIN Rail Assembly Parts Installation Parts Motor Unit Assembly Parts ACCESSORIES 953D 3-ButtonSECURITY✚® Remote Control: 956D CHAMBERLAIN® ONE YEAR LIMITED WARRANTY SIX YEAR MOTOR LIMITED WARRANTY