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ASSEMBLY STEP 1
ASSEMBLE THE RAIL AND INSTALL THE TROLLEY
To avoid installation difficulties, do not run the garage door opener until
instructed to do so.
The front rail has a cut out “window” at the door end. The front rail has a rail
tab. This tab MUST be on the top of the rail when assembled.
1. Remove the straight door arm and hanging bracket packaged inside
the front rail and set aside for Installation Step 5 and 9. NOTE: To
prevent INJURY while unpacking the rail carefully remove the straight
door arm stored within the rail section.
2. Align the rail sections on a flat surface as shown and slide the
tapered ends into the larger ones. Tabs along the side will lock into
place.
3. Place the motor unit on packing material to protect the cover, and
rest the back end of the rail on top. For convenience, put a support
under the front end of the rail.
4. As a temporary stop, insert a screwdriver into the hole 10" (25 cm)
from the front end of the rail, as shown.
5. Check to be sure there are 4 plastic wear pads inside the inner
trolley. If they became loose during shipping, check all packing
material. Snap them back into position as shown.
6. Slide the trolley assembly along the rail from the back end to the
screwdriver.
7. Slide the rail onto the “U” bracket, until it reaches all the stops on
the top and sides of the “U” bracket.
To prevent INJURY from pinching, keep hands and fingers away from the joints
while assembling the rail.
To garage
door opener
(TO MOTOR UNIT)
“U” Bracket
Outer Trolley
Inner Trolley
Wear Pads
SLIDE TO STOPS
ON TOP AND
SIDES OF
“U” BRACKET
Front Rail
Section
(TO DOOR)
Rail
Tab
Trolley
Window
Cut-Out
Idler
Pulley
Hole
ASSEMBLY STEP 2
FASTEN THE RAIL TO THE MOTOR UNIT
1. Insert a 1/4"-20 x 2-1/2" bolt into the cover protection bolt hole on the
back end of the rail as shown. Tighten securely with a 1/4"-20 lock nut.
DO NOT overtighten.
2. Remove the bolt and lock nut from the top of the motor unit.
3. Use the carton to support the front end of the rail.
4. Place the “U” bracket, flat side down onto the motor unit and align the
bracket holes with the bolt holes.
5. Fasten the “U” bracket with the previously removed bolt and lock nut; DO
NOT use any power tools. The use of power tools may permanently
damage the garage door opener.
6. Attach chain spreader to the motor unit with two screws.
HARDWARE SHOWN ACTUAL SIZE
Bolt
1/4"-20x1-3/4"
Lock Nut
1/4"-20
To avoid SERIOUS damage to garage door opener, use ONLY those
bolts/fasteners mounted in the top of the opener.
Bolt
Bolt
Hex Screws
8-32x7/16"
Chain
Spreader
Sprocket
"U" Bracket
Cover
Protection
Bolt Hole
Lock Nut
1/4"-20
Lock Nut
9
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