Owner`s manual

9
To avoid SERIOUS damage to garage door opener, use ONLY
those bolts/fasteners mounted in the top of the opener.
ASSEMBLY STEP 2
Fasten the Rail to the Motor Unit
• Insert a 1/4"-20x1-3/4" 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.
• Remove the two bolts from the top of the motor unit.
• Place the “U” bracket, fl at side down, on the motor unit and
align the bracket holes with the bolt holes. Fasten with the
previously removed bolts.
• Align the rail assembly with the top of the motor unit. Slide
the rail end onto the “U” bracket, all the way to the stops that
protrude on the top and sides of the bracket.
ASSEMBLY STEP 3
Install the Idler Pulley
• Lay the belt beside the rail, as shown. Grasp the end with the
hooked trolley connector and pass approximately 12" (30 cm)
of belt through the window. Keep the ribbed side toward the
rail, and allow it to hang until Assembly Step 5.
• Remove the tape from the idler pulley. The inside center should
be pre-greased. If dry, regrease to ensure proper operation.
• Place the idler pulley into the window as shown.
• Insert the idler bolt from the top through the rail and pulley.
Tighten with a 3/8" lock washer and nut underneath the rail until
the lock washer is compressed.
• Rotate the pulley to be sure it spins freely.
• Insert a 1/4"-20x1-3/4" bolt into the trolley stop hole in the front
of the rail as shown. Tighten securely with a 1/4"-20 lock nut.
HARDWARE SHOWN ACTUAL SIZE
Bolts
Cover
Protection
Bolt Hole
“U” Bracket
SLIDE RAIL TO STOPS
ON TOP AND SIDES
OF BRACKET
Motor Unit
Belt Pulley
HARDWARE SHOWN ACTUAL SIZE
Bolt 1/4"-20x1-3/4"
Lock Nut 1/4"-20 Lock Washer 3/8"
Nut 3/8"
Idler Bolt
Idler
Bolt
Trolley
Stop
Hole
Bolt
Bolt
Lock Nut
Idler Pulley
Idler Pulley
Grease
Inside
Pulley
Nut
Washer
Screwdriver
Trolley Connector
Nut 3/8"
Lock
Washer 3/8"
Rail
Pulley
Lock Nut 1/4"-20
Bolt 1/4"-20x1-3/4"
Bolt
Lock Nut