Chamberlain 4620, 4620-2 Attach the Rail to the Header Bracket

Installation Step 3

Attach the Rail to the Header Bracket

Header Wall

Header Bracket

Rail Bracket

•Position the opener on the garage floor below the header bracket. Use packing material as a protective base.

If the door spring is in the way you’ll need help. Have someone hold the opener securely on a temporary support to allow the rail to clear the spring.

•Position the rail bracket against the header bracket.

•Align the bracket holes and join with a clevis pin as shown.

•Insert a ring fastener to secure.

Ring Fastener

Header Bracket

Rail

Clevis Pin

5/16"x2-3/4 "

Garage

Door

Foam Packaging

Rail Bracket

Rail

Opener Carton or

Temporary

Support

Hardware Shown Actual Size

Clevis Pin
5/16" x 2-3/4"	Ring Fastener

Contents

For Residential Use Only Assembly section - pages 8 – Installation section - pages 12 – Adjustment section - pages 28 – Start by reviewing these important safety alert symbols: serious injury or death Test Your Door for Balance Operation at other than 120V 60 Hz will cause opener malfunction and damage Sectional Door One-PieceDoor KEEP THE FOAM INTACT Assembly Hardware Installation Hardware Closed Position One-PieceDoor without Track One-PieceDoor With Track Assemble the Rail (Continued) It is essential that the rail assembly be on a level surface to achieve proper alignment and to avoid damage to the pins Fasten the Rail To the Power Unit and Install the Trolley Attach the Rail Brackets Determine Header Bracket Location ONE-PIECEDoor Without Track EXAMPLE One-piecedoor without track Install the Header Bracket Attach the Rail to the Header Bracket IMPORTANT INFORMATION ABOUT THE SAFETY REVERSING SENSOR must Install the Safety Reversing Sensor (Receiving and Sending Eyes) Install the Safety Reversing Sensor Position the Opener Hang the Opener Install the Door Control and Connect all Wiring Electrical Requirements Complete Safety Reversing Sensor Installation Install the Lights and Lens Attach the Manual Release Rope and Handle 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 Travel Limit Adjust the UP and DOWN Limits Adjust the Force Test The Protector System ® Test the Safety Reverse System 1.READ AND FOLLOW ALL INSTRUCTIONS KEEP GARAGE DOORS PROPERLY BALANCED. See page Force and Limit Adjustment Controls The remote control transmitter The remote control battery Activate the opener with any of the following: The Remote Control Transmitter The Door Control The Outside Keylock or Keyless Entry Lockout position To Add A Remote Control To Erase All Remote Control Codes SECURITY✚ Remote Control SECURITY✚ Garage Door Opener Situation Probable Cause & Solution The opener doesn't operate from either the door control or the remote control: Opener operates from the remote control, but not from the door control: The door operates from the door control, but not from the remote control: (continued) Rail Assembly Parts Installation Parts Opener Assembly Parts 950CB 953CB 945CB 935CB 940CB Garage Door Manual Release Rope & Handle Opener Terminals Operational Noise Receiver & Remote Controls CHAMBERLAIN GARAGE DOOR OPENER ONE-YEARLIMITED WARRANTY