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Chamberlain 2500D Rail Assembly Parts, Installation Parts, NO, NO, KEY, PART, DESCRIPTION, REPAIR PARTS

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REPAIR PARTS

Rail Assembly Parts

6

3

1

7

4

2

5KEY PART

						NO.	NO.		DESCRIPTION
						1	4A1008		Master link kit
						2	41A5424		Belt pulley bracket
						3	41B3869-1		Complete trolley assembly
						4	109B33		Trolley clip
8						5	183B99		One-piece T-rail
8						6	41A5434-11 Full belt assembly
						7	41B4103		Tensioner assembly
						8	83A11-2		Rail grease
Installation Parts
2					6
2			5
3			5
3
	N
	O
	TIC
4		E
4					KEY	PART
					KEY	PART
				8	NO.	NO.		DESCRIPTION
				8	1	98LM		Motion Detecting control panel
					1	98LM		Motion Detecting control panel
7			G MOUN		2	973LM		3-Button remote control
			NLY
			T O
		CEI	LIN
		CEI	UP		3	10A20		3V2032 Lithium battery
1					3	10A20		3V2032 Lithium battery
					4	29B137		Remote control visor clip
LOCK					5	41A2828		Emergency release rope & handle
L
IGHT								assembly
			10					assembly
			10		6	41B4494-1		2-Conductor bell wire - white &
					6	41B4494-1		2-Conductor bell wire - white &
								white/red
					7	41A5047-1		Door bracket w/clevis pin & fastener
					8	41A4353-1		Header bracket w/clevis pin & fastener
9	11				9	41A5034		Safety sensor kit (receiving and
								sending eyes) with 3' 2-conductor
								bell wire attached
12					10	178B34		Straight door arm section
12					11	178B35		Curved door arm section
					12	41A5266-1		Safety sensor brackets (2)
								NOT SHOWN
						41A2770-5		Installation hardware bag
								(includes hardware listed on page 5)
						114A2933		Owner’s manual
						114A2933SP		Owner’s manual - Spanish

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Contents

For Residential Use Only Introduction Assembly Installation Adjustment Operation Preparing your garage door Tools needed Planning Carton Inventory Hardware Inventory Attach the Rail to the Motor Unit Set the Belt Tension Attach the Belt Cap Retainer Determine the Header Bracket Location NOTE: EXAMPLE Install the Header Bracket Attach the Rail to the Header Bracket Position the Opener Hang the Opener Install the Door Control Install the Lights and Lens Attach the Emergency Release Rope and Handle Electrical Requirements Install The Protector System® INSTALLING THE BRACKETS Be sure power to the opener is disconnected Garage door track installation (preferred) (Figure 1): Wall installation (Figure 2 and 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: Program the Travel Limits Setting 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 MAINTENANCE SCHEDULE Once a Month THE REMOTE CONTROL BATTERY Once a Year Having a Problem? (Continued) 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:973W 2778BD 8 Foot Complete Rail: 973LM LIFTMASTER GARAGE DOOR OPENER FIVE-YEARLIMITED WARRANTY LIFETIME MOTOR AND BELT LIMITED WARRANTY