User Guide
Table Of Contents
- Model PD432D 1/2 HP
- TABLE OF CONTENTS
- INTRODUCTION
- ASSEMBLY
- INSTALLATION
- STEP 1 Determine the Header Bracket Location
- STEP 2 Install the Header Bracket
- STEP 3 Attach the Rail to the Header Bracket
- STEP 4 Install The Protector System®
- STEP 5 Position the Opener
- STEP 6 Hang the Opener
- STEP 7 Install the Door Control
- STEP 8 Install the Lights
- STEP 9 Attach the Emergency Release Rope and Handle
- STEP 10 Electrical Requirements
- STEP 11 Complete the Safety Reversing Sensor Installation
- STEP 12 Fasten the Door Bracket
- STEP 13 Connect Door Arm to Trolley
- ADJUSTMENT
- OPERATION
- CARE OF YOUR OPENER
- HAVING A PROBLEM?
- PROGRAMMING
- REPAIR PARTS
- ACCESSORIES
- CHAMBERLAIN® SERVICE IS ON CALL
- HOW TO ORDER REPAIR PARTS
- WARRANTY

18
ONE-PIECE DOOR WITHOUT TRACK
A 2x4 on its side is convenient for setting an ideal door-
to-rail distance.
• Remove foam packaging.
• Raise the opener onto a stepladder. You will need help
at this point if the ladder is not tall enough.
• Open the door all the way and place a 2x4 on its side
on the top section of the door beneath the rail.
• The top of the door should be level with the top of the
motor unit. Do not position the opener more than 4"
(10 cm) above this point.
INSTALLATION STEP 5
Position the Opener
Follow instructions which apply to your door type as
illustrated.
SECTIONAL DOOR OR ONE-PIECE DOOR WITH
TRACK
A 2x4 laid flat is convenient for setting an ideal door-to-
rail distance.
• Remove foam packaging.
• Raise the opener onto a stepladder. You will need help
at this point if the ladder is not tall enough.
• Open the door all the way and place a 2x4 laid flat on
the top section beneath the rail.
• If the top section or panel hits the trolley when you
raise the door, pull down on the trolley release arm
to disconnect inner and outer sections. Slide the outer
trolley toward the motor unit. The trolley can remain
disconnected until Installation Step 13 is completed.
To prevent damage to garage door, rest garage door opener
rail on 2x4 placed on top section of door.
WARNING
CAUTION
WARNING
WARNING
Trolley
Release Arm
ENGAGED
RELEASED
2x4 is used to determine
the correct mounting height
from ceiling.
Door
Top of Door
Top of Door
2x4 is used to determine
the correct mounting height
from ceiling.










