ASSEMBLY STEP 2

Install the Trolley

•Attach the trolley threaded shaft to the trolley with the lock washer and nuts as shown.

•As a temporary stop, insert a screwdriver into the hole in the front end of the rail.

•Slide the trolley assembly along the rail to the screwdriver stop.

NOTE: If trolley hits against any nuts on the rail, the bolts and nuts were attached from the wrong side and must be repositioned.

Review Assembly Step 1.

Trolley

Temporary Stop

Screwdriver

Outer Nut 5/16"

HARDWARE SHOWN ACTUAL SIZE

Lock Washer

Nut

5/16"

5/16"-18

Lock

Inner Nut

Washer

5/16"

5/16"

 

Trolley

Threaded

Shaft

Trolley

ASSEMBLY STEP 3

Fasten the Rail to the Motor Unit

•Remove the two washered bolts mounted in top of motor unit.

•Position rail at an angle to opener so one hole in rail and motor unit line up.

•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 rail over sprocket. Cut tape from rail and chain.

CAUTION

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

Washered Bolt

Motor Unit

5/16"-18x1/2"

Sprocket

 

USE ONLY THIS

TYPE AND SIZE

BOLT

9