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ASSEMBLY STEP 1
Fasten the Rail to the Motor Unit
MODELS 1256R and 1246R ONLY
Toavoid SERIOUSdamageto garagedoor opener,
use ONLYthose bolts/fasteners mounted in the top of
the opener.
• Remove the two washered bolts mounted in top of
motor unit.
• Align rail and styrofoam over sprocket.
• Cut tape from rail, chain and styrofoam. Remove
styrofoam and pull the chain back (away from the
mounting plate).
• Fasten the rail with the two washered bolts
previously removed. Tighten securely.
Use only these bolts! Use of any other bolts will
cause serious damage to door opener.
Motor
Unit
Sprocket
Washered Bolts
5/16"-18xl/2"
Mounting
USE ONLY THIS Plate
TYPE AND SIZE /
BOLT i
Styrofoam
Packaging
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