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Chamberlain PD420, PD420-2, PD460-2, PD460-2K Planning (Continued), ONE-PIECEDOOR WITH TRACK, ONE-PIECEDOOR INSTALLATIONS, ONE-PIECEDOOR WITHOUT TRACK

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Planning (Continued)

ONE-PIECE DOOR INSTALLATIONS

•Generally, a one-piece door does not require reinforcement. If your door is lightweight, refer to the information relating to sectional doors in Installation Step 12.

•Depending on your door’s construction, you may need additional mounting hardware for the door bracket (Step 12).

WARNING

Without a properly working safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door.

•The gap between the bottom of the garage door and the floor MUST NOT exceed 1/4" (6 mm). Otherwise, the safety reversal system may not work properly.

•The floor or the garage door MUST be repaired to eliminate the gap.

ONE-PIECE DOOR WITHOUT TRACK

FINISHED CEILING Support bracket

&fastening hardware is required. See page 19.

Header Wall
Rail	Motor unit
Rail
	Wall-mounted
	Door Control
Access
Door			CLOSED POSITION
			CLOSED POSITION
		Header	Rail	Rail Assembly
		Bracket	Rail	Rail Assembly
		Bracket	Bracket
			Bracket
			Garage	Trolley
			Door
			Spring
Safety Reversing		Straight		Emergency
Safety Reversing		Door		Release
Gap between floor Sensor		Door		Release
Gap between floor Sensor		Arm		Rope & Handle
Safety Reversing Sensor and bottom of door must not exceed 1/4" (6 mm).
	Header		Curved
			Curved

ONE-PIECE DOOR WITH TRACK

Safety

Reversing Sensor

		CLOSED POSITION
	Header	Rail		Trolley
	Wall	Bracket		Trolley
	Wall	Bracket
	Access	Header	Curved
	Door	Header	Curved
	Door	Bracket	Door Arm	Rail Assembly
		Bracket	Door Arm

	Garage	Door	Straight
	Garage	Bracket	Straight
	Door		Door
			Arm	Emergency Release
				Emergency Release
				Rope & Handle

		Safety
	Gap between floor	Reversing
	Gap between floor	Sensor
	and bottom of door	Sensor
	and bottom of door
	must not exceed 1/4" (6 mm).

5

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