One-Piece Door Without Track; Illustration Of One-Piece Door Installation - Chamberlain Security + 9902C Owner's Manual

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Table Of Contents

Table of Contents

Before you begin, survey your garage area to

see whether any of the conditions below apply

to your installation.

Header

Wall

Gap between floor and bottom of

door must not exceed 1/4".

Safety Reversing Sensor

Based on your particular requirements, there are several

installation steps which might call for materials and/or

hardware not included in the carton.

• Step 1, page 13 – Look at the wall or ceiling above the

garage door. The header bracket must be securely

fastened to structural supports.

• Step 6, page 20 – Do you have a finished ceiling in your

garage? If so, a support bracket and additional fastening

hardware (not supplied) may be required.

• Safety reversing sensor, page 16 – Depending on garage

construction, wood blocks may need to be securely

fastened to mounting locations before sensors are

installed.

• Step 4, page 17 – Alternate floor mounting of the safety

reversing sensor will require hardware that is not

provided.

• Step 12, page 25 – Generally, a one-piece door does not

require reinforcement. If your door is lightweight, you

can refer to the information relating to sectional doors

on page 24.

• Step 12, page 25 – Depending on your door's

construction, you might need additional mounting

hardware for the door bracket.

• Do you have an access door in addition to the garage

door? If not, Model 7702C Outside Quick Release is

required. See page 38.

• The gap between the bottom of the garage door and

the floor cannot exceed 1/4". Otherwise, the safety

reverse system may not work properly. See page 30.

The floor or the door should be repaired.

ONE-PIECE Door Installation

Access Door

Safety Reversing

Sensor