Chamberlain 7520D 1/2 HP Carton Inventory

Carton Inventory

Your garage door opener is packaged in one carton which contains the motor unit and all parts illustrated below. Accessories will depend on the model purchased. If anything is missing, carefully check the packing material. PARTS MAY BE STUCK IN THE

FOAM. Hardware for assembly and installation is shown on the next page. Save the carton and packing material until installation and adjustment is complete.

Idler Pulley

SECURITY✚ ®

Single-Button Remote Control (2)

Lighted Door Control Button with (2) screws 6ABx1-1/2"

Chain Spreader

Motor Unit with 2 Light Lenses

Trolley

Rail

Center/Back

Sections

Door Bracket

Chain and Cable in

Dispensing Carton

Header Bracket

2-Conductor Bell Wire

White & White/Red

Rail

Front (header)

Section

	Hanging Brackets
	Curved Door
"U" Bracket	Arm Section	Straight Door
		Straight Door
		Arm Section
		Arm Section

Safety Sensor Bracket (2)

(2) Safety Reversing Sensors

(1 Sending Eye and 1 Receiving Eye) with 2-Conductor White & White/Black Bell Wire attached

Safety Labels

and

Literature

6

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