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Chamberlain PD420, PD420-2, PD460-2, PD460-2K Hardware Inventory, ASSEMBLY HARDWARE, INSTALLATION HARDWARE

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Hardware Inventory

Separate all hardware and group as shown below for the assembly and installation procedures.

ASSEMBLY HARDWARE

Bolt	Hex Bolt	Lock Nut
1/4-20x1-3/4" (8)	1/4"-20x5/8" (4)	1/4"-20x7/16 (12)	Sprocket Coupling Sleeve

INSTALLATION HARDWARE

Carriage Bolt	Wing Nut	Ring	Nut 5/16"-18 (6)	Handle
1/4"-20x1/2" (2)	1/4"-20 (2)	Fastener (3)

Lag Screw	Hex Bolt		Insulated
5/16"-9x1-5/8" (2)	5/16"-18x7/8" (4)	Lock Washer 5/16" (6)	Staples (30)

Lag Screw	Screw	Screw 6-32x1" (2)
5/16"-18x1-7/8" (2)	6ABx1-1/4" (2)	Screw 6-32x1" (2)

Rope

Carriage Bolt	Dry Wall Anchors (2)
5/16"-18x2-1/2" (2)

Clevis Pin	Clevis Pin	Clevis Pin
5/16"x2-3/4" (1)	5/16"x1" (1)	5/16"x1-1/4" (1)

Contents

For Residential Use Only Introduction Assembly Installation Adjustment Operation Preparing your garage door Tools needed Planning Planning (Continued) Carton Inventory Hardware Inventory Assemble the Rail Assemble the Rail (Continued) Fasten the Rail to the Motor Unit and Install the Trolley Attach the Rail Brackets Determine the Header Bracket Location Install the Header Bracket Attach the Rail to the Header Bracket Install The Protector System® INSTALLING THE BRACKETS Garage door track installation (preferred): Figure Wall installation (Figure 2 & 3): Floor installation (Figure 4): MOUNTING AND WIRING THE SAFETY SENSORS Recommended Wire Routing Do not use the lower (trolley) channels Position the Opener Hang the Opener Install the Door Control Install the Lights and Lens Attach the Emergency Release Rope and Handle Electrical Requirements Complete the Safety Reversing Sensor Installation 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 950CB 1-ButtonSecurity✚® Remote 956CB Control: CHAMBERLAIN GARAGE DOOR OPENER ONE-YEARLIMITED WARRANTY LIMITED WARRANTY ON MOTOR