Assembly; Assemble The Rail - Chamberlain POWER DRIVE PD432D 1/2 HP Owner's Manual

ASSEMBLY STEP 1

Assemble the Rail

To avoid installation difficulties, do not run the
garage door opener until instructed to do so.
1. Open the rail carton and remove the contents onto a
level work surface. Keep it clean and free of debris
while you are working.
2. Identify the rail sections and orient the sections on a
flat surface as shown. The back rail has a black gear
on one end. The header rail has a black plastic rack
inside the rail on the screw. The remaining section is
the center rail.
NOTE: Use caution when handling the center rail
section. The screw can slip out if the section is tipped up
too far.
Rail Support Braces
Back Rail
Remove Cardboard Packing
Hanging Brackets
Straight Door Arm
Rail Assembly Carton
Hex Bolts
Center Rail
1/4-20x7/16"
To prevent INJURY from pinching, keep hands and fingers
away from the joints while assembling the rail.
Rail Assembly
Header Rail Brackets
Hex Bolts
1/4-20x7/16"
Hex Bolts
1/4-20x7/16"
8
WARNING
CAUTION
HARDWARE SHOWN ACTUAL SIZE
Hex bolt 1/4-20x7/16"
Rail Assembly
Remove Cardboard Packing
Sprocket Coupling
Remove
Cardboard
Packing
Hex Bolts
1/4-20x7/16"
Header Rail