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Washered Bolt
5/16"-18x1/2"
Lock Nut
6
ASSEMBLY STEP 1
Attach the Rail to the Motor Unit
To avoid installation difficulties, do not run the garage
door opener until instructed to do so.
• Remove the bolt and lock nut from the top of the motor
unit.
• Place rail onto the bolt mounted on the motor unit and
align the back hole with the hole in the top of the unit.
• Fasten rail with the washered bolt and lock nut
previously removed. Tighten securely. (Figure 1)
Remember to use only these bolts/fasteners! Any
other bolts/fasteners will cause serious damage to
the opener.
Hex Screws
8-32x1"
Chain
Spreader
Motor Unit
Sprocket
Washers