Chamberlain 1280 - 1/2 HP Installation Parts, Rail Assembly Parts

Repair Parts

Rail Assembly Parts

1

2

8

4

	GREASE
RAIL	.83A4
NO

6

3

7

5	KEY	PART
	KEY	PART
	NO.	NO.	DESCRIPTION

	1	1A995	Master link kit

241A3588 Belt pulley bracket

341B3869-1 Complete trolley assembly

4	109B33	Trolley clip
5	183B99	One-piece T-rail

641A3589 Full belt assembly

741B4103 Tensioner assembly

8

83A4

Rail grease

Installation Parts

			2
LOCK	LIGHT		3
	LIGHT	12VDC


		1

6

45

NOTICE

KEY	PART
NO.	NO.	DESCRIPTION
1	41A4202A	Multi-function door control panel
2	10A14	12V battery
3	29C128	Transmitter visor clip
4	41A3984-7	Remote control case, cover & screw only
		(no circuit board)
5	41A2828	Manual release rope & handle assy.
6	217A238	2-Conductor bell wire - white & white/red
7	12B374-1	Door bracket
8	12B380-1	Door bracket plate
9	41A4353-1	Header bracket w/clevis pin & fastener
10	41A4373	Safety sensor kit (receiving and sending
		eyes only)
11	41B4115	2-Conductor bell wire with connector
		white & white/black (2 rolls)
12	178B35	Curved door arm section
13	178B34	Straight door arm section
14	12B483	C-wrap bracket

7

11

14

9

8	ONLY
	MOUNT
	CEILING
	UP

10

13

12

15	12B484	Square hole bracket
16	12B485	Slotted bracket
	NOT SHOWN
	41A4116	Safety sensor hardware
	41A2770-1	Installation hardware bag (includes
		hardware listed on page 4
	114A1893	Owner's manual

1516

32

Contents

Page Contents Assembly section - pages 6 – Installation section - pages 8 – Page Adjustment section - pages 24 – Page SECTIONAL Door or ONE-PIECEDoor with Track Installation ONE-PIECEDoor Without Track Installation Page Attach the T-RailTo the Opener Set the Belt Tension Attach the Belt Cap Retainer Determine Header Bracket Location ONE-PIECEDoor Without Track Install the Header Bracket Attach the T-railto the Header Bracket Position the Opener Hang the Opener Install the Multi-Function Door Control Panel Install the Lights and the Lenses Attach the Manual Release Rope and Handle Electrical Requirements Page Install the Safety Reversing Sensor (Receiving and Sending Eyes) Aligning the Safety Sensors Trouble Shooting Fasten Door Bracket All ONE-PIECEDoor Installation Procedure Connect Door Arm to Trolley All ONE-PIECEDoors Assemble the Door Arm: Adjustment Procedures for One-PieceDoors Open Door Adjustment: Decrease UP limit Adjust the UP and DOWN Limits Adjust the Force Test The Protector System® Test the Safety Reverse System Maintenance Schedule Activate the opener with any of the following: The Remote Control Transmitter The Door Control •The Outside Keylock or Keyless Entry. (See Accessories) If possible, use the manual release rope and handle To Add a Single Function Remote Control Model 81LM "Smart Single Function Remote Control To Change the Selected Push Button Situation Probable Cause & Solution The opener doesn't operate from either the door control or the remote control: Opener operates from remote control, but not from door control: The door operates from the door control, but not from the remote control: (continued) Rail Assembly Parts Installation Parts Opener Assembly Parts Page Garage Door Manual Release Rope & Handle Opener Terminals Operational Noise Receiver & Remote Controls LIFT-MASTERGARAGE DOOR OPENER ONE-YEARLIMITED WARRANTY LIMITED WARRANTY ON MOTOR - MODEL