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

11
INSTALLATION
IMPORTANT INSTALLATION INSTRUCTIONS
To reduce the risk of SEVERE INJURY or DEATH:
WARNING
WARNING
WARNING
1. READ AND FOLLOW ALL INSTALLATION WARNINGS
AND INSTRUCTIONS.
2. Install garage door opener only on properly balanced
and lubricated garage door. An improperly balanced
door may not reverse when required and could result in
SEVERE INJURY or DEATH.
3. ALL repairs to cables, spring assemblies and other
hardware MUST be made by a trained door systems
technician BEFORE installing opener.
4. Disable ALL locks and remove all ropes connected to
garage door BEFORE installing opener to avoid
entanglement.
5. Install garage door opener 7 feet (2.13 m) or more
above floor.
6. Mount emergency release handle 6 feet (1.83 m) above
floor.
7. NEVER connect garage door opener to power source
until instructed to do so.
8. NEVER wear watches, rings or loose clothing while
installing or servicing opener. They could be caught in
garage door or opener mechanisms.
9. Install wall-mounted garage door control:
• within sight of the garage door.
• out of reach of children at minimum height of 5 feet
(1.5 m).
• away from ALL moving parts of the door.
10. Place entrapment warning label on wall next to garage
door control.
11. Place manual release/safety reverse test label in plain
view on inside of garage door.
12. Upon completion of installation, test safety reversal
system. Door MUST reverse on contact with a
1-1/2" (3.8 cm) high object (or a 2x4 laid flat) on
the floor.
ASSEMBLY STEP 3
Attach the Rail Brackets
• Align rail brackets to end of rail assembly, as shown.
• Insert two 1/4"-20x7/16" hex bolts. Tighten securely
with a 3/8" socket.
You have now finished assembling your garage door
opener. Please read the following warnings before
proceeding to the installation section.
Hex Bolt
1/4-20 x 7/16"
Hex Bolt
1/4-20x7/16"
Rail Brackets
Rail
Hex bolt 1/4-20x7/16"
HARDWARE SHOWN ACTUAL SIZE










