ASSEMBLY STEP 2

Fasten the Rail to the Motor Unit

•Insert a 1/4"-20x2" bolt, washer and spacer 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 bolt and lock nut from the top of the motor unit.

•Attach spreader to the motor unit with two screws.

•Place the “U” bracket, flat side down onto the bolt mounted on the motor unit and align the bracket hole with the bolt holes. Fasten with the previously removed bolt and lock nut.

•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.

HARDWARE SHOWN ACTUAL SIZE

Washer 5/8"

Lock Nut

 

1/4"-20

 

Spacer

 

Bolt 1/4"-20x2"

To avoid SERIOUS damage to garage door opener, use ONLY those bolts/fasteners mounted in the top of the opener.

Hex Screws 8-32x7/16"

Chain Spreader

BoltBolt

Lock Nut

Motor Unit

Sprocket

 

“U” Bracket

Washer

Spacer

Cover

 

 

Protection

SLIDE RAIL TO

 

Bolt Hole

 

STOPS ON TOP AND

 

Lock Nut

SIDES OF BRACKET

 

 

 

Bolt

Rail

Chain and Cable

Pulley

 

ASSEMBLY STEP 3

Install the Idler Pulley

•Lay the chain/cable beside the rail, as shown. Grasp the end with the cable loop and pass approximately 12" (30 cm) of cable through the window. 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.

 

 

Nut

 

 

Screwdriver

Washer

 

 

Idler

Trolley

 

 

 

 

 

 

Bolt

 

 

 

 

 

 

 

Trolley

 

 

 

 

Stop

 

 

 

Grease

Hole Bolt

 

 

Inside

 

 

 

 

Pulley

 

 

Lock

 

Idler

 

 

 

Pulley

 

 

Washer

Nut

 

 

 

 

 

3/8"

 

 

 

3/8"

 

 

 

 

 

 

 

 

Cable

 

 

 

Link

 

Lock

 

 

 

Idler

 

 

 

Nut

 

 

 

Pulley

 

 

 

 

HARDWARE SHOWN

ACTUAL SIZE

Bolt 1/4"-20x1-3/4"

Idler Bolt

Lock Nut 1/4"-20

Nut 3/8"

Lock Washer 3/8"

9