Attach The Rail Brackets; Installation; Installation Safety Instructions - Chamberlain POWER DRIVE PD432D 1/2 HP Owner's Manual

1/2hp garage door opener
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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.

INSTALLATION

IMPORTANT INSTALLATION INSTRUCTIONS
To reduce the risk of SEVERE INJURY or DEATH:
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.
Rail Brackets
Rail
Hex Bolt
1/4-20x7/16"
WARNING
WARNING
WARNING
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.
11
HARDWARE SHOWN ACTUAL SIZE
Hex bolt 1/4-20x7/16"
Hex Bolt
1/4-20 x 7/16"

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