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Chamberlain 2280-267, 2280-976 Rail Assembly Parts, Installation Parts, REPAIR PARTS

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REPAIR PARTS

Rail Assembly Parts	6

3

1

2

7

4

5

8

Installation Parts

KEY	PART
NO.	NO.	DESCRIPTION
1	4A1008	Master link kit

241B5424 Belt pulley bracket

341B3869-1 Complete trolley assembly

4	109B33	Trolley clip
5	2777BD	One-piece T-rail

641A5434-11 Full belt assembly

7	41B4103	Tensioner assembly
8	83A11-2	Rail grease

2

LOCK

1 3

LIGHT

5

8

9

10

4

			KEY	PART
			NO.	NO.	DESCRIPTION
	6		1	41A5273-1	Multi-function door control panel
	6		2	973LM	3 Button remote control
			3	10A20	3V2032 Lithium battery
N
O			4	29B137	Remote control visor clip
TICE			4	29B137	Remote control visor clip
		7	5	41A5047-1	Door bracket w/clevis pin & fastener
		7	6	41A2828	Emergency release rope & handle
			6	41A2828	Emergency release rope & handle
	LY				assembly
CEI	ON				assembly
NT
OU
G M
LIN
UP
			7	178B34	Straight door arm section
			8	41A4353-1	Header bracket w clevis pin & fastener
			9	41A5034	Safety sensor kit (receiving and
					sending eyes) with 3' (.9 m)
					2-conductor bell wire
			10	41A5266-1	Safety sensor brackets (2)
			11	41B4494-1	2-Conductor bell wire, white & white/red
	11		12	178B35	Curved door arm section
		12			NOT SHOWN
				41A2770-6	Installation hardware bag
					(includes hardware listed on page 5).
				114A2537	Owner’s manual
				114A2537SP	Spanish manual

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Contents

For Residential Use Only Introduction Assembly Installation Adjustment Operation Preparing your garage door Tools needed Planning Carton Inventory Attach the Rail to the Motor Unit Set the Belt Tension Attach the Belt Cap Retainer 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 Light 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-Mounted Door 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 25) 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 1702LM Outside Quick Release: 995LM Remote Light Control: 2778BD LIFTMASTER ONE-YEARLIMITED WARRANTY LIFETIME MOTOR AND BELT LIMITED WARRANTY