ASSEMBLY STEP 2

Fasten the Rail to the Motor Unit

•Insert a 1/4"-20x2-1/2 bolt, washer and spacer into the cover protection bolt hole on the back end of the rail as shown. Install lower spacer and washer then 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

CAUTION

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

Bolt

Spreader

Bolt

 

Lock Nut

 

"U" Bracket

Motor Unit

Sprocket

Washer

Spacer

Cover

Protection

Bolt Hole

Washer 5/8"

Lock Nut 1/4"-20

Spacer

Bolt 1/4"-20x2-1/2

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.

SpacerWasher

Lock Nut

Chain and

Cable

Idler

Trolley

Bolt

 

Trolley

Stop Hole

SLIDE RAIL TO STOPS

ON TOP AND SIDES

OF BRACKET

Bolt

PulleyRail

Nut

Washer

Bolt

•

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.

 

Grease

 

Inside Pulley

 

Idler

Lock

Pulley Trolley

Stop Hole

Washer

Cable Link

3/8"

Nut 3/8"

 

 

Lock

 

Nut

 

Idler Pulley

HARDWARE SHOWN ACTUAL SIZE

Idler Bolt

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

Lock Nut 1/4"-20

Nut 3/8"

Lock Washer 3/8"

9