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ASSEMBLY STEP 1
Attach the T-Rail to the Motor Unit
To avoid installation difficulties, do not run the garage door opener until instructed to do so.
•Remove the two washered bolts mounted in top of motor unit.
•Position
•Thread one of the washered bolts part way in.
Use only these bolts! Use of any other bolts will cause serious damage to door opener.
•Align
•REMOVE STYROFOAM.
CAUTION
To avoid SERIOUS damage to opener, ONLY use bolts mounted in top of motor unit.
USE ONLY THIS
TYPE AND SIZE
BOLTWashered Bolt
Styrofoam
Hole
ASSEMBLY STEP 2
Attach the Chain to the Sprocket and Install the Sprocket Cover
•Position chain over the sprocket. If necessary, loosen the outer nut on the trolley to obtain more chain slack.
•Insert the second washered bolt. CAUTION: Use only the bolt previously removed from motor unit!
•Tighten both bolts securely through the
•Install the sprocket cover: Insert the back tab in the slot. Squeeze the cover slightly and insert the front tab in the slot on the mounting plate.
Proceed to Assembly Step 3.
WARNING
To avoid possible SERIOUS INJURY to fingers from moving garage door opener:
•ALWAYS keep hand clear of sprocket while operating opener.
•Securely attach sprocket cover BEFORE operating.
Washered Bolt
Sprocket
USE ONLY THIS
TYPE AND SIZE
BOLT
Sprocket Cover
Front Tab Slot
Back Tab Slot
Mounting
Plate
6