ASSEMBLY STEP 1

Attach the Rail to the Motor Unit

To avoid installation difficulties, do not run the garage door opener until instructed to do so.

•Remove the bolt and lock nut from the top of the motor unit.

•Place rail onto the bolt mounted on the motor unit and align the back hole with the hole in the top of the unit.

•Fasten rail with the washered bolt and lock nut previously removed. Tighten securely. (Figure 1)

Remember to use only these bolts/fasteners! Any other bolts/fasteners will cause serious damage to the opener.

ASSEMBLY STEP 2

Attach the Chain Spreader

•Attach chain spreader to the motor unit with two screws (Figure 2).

•Guide the chain around the selected groove in the chain spreader, to engage either the 8-tooth sprocket or the 6-tooth sprocket (Figure 3).

NOTE: The 6-tooth sprocket is for use with Carriage House Doors and the 8-tooth sprocket is for use with Regular Doors.

Figure 3

Chain Spreader

6-Tooth

 

Sprocket

Motor Unit

Mounting Plate

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

Figure 1

Washered Bolt

 

5/16"-18x1/2"

Lock Nut

 

 

Hex Screws

 

8-32x1"

 

Washers

Figure 2

Chain

Spreader

 

Motor Unit

 

Sprocket

Chain Spreader

8-Tooth

Sprocket

Motor Unit

Mounting Plate

ASSEMBLY STEP 3

Attach the Chassis Support Bracket

•Position the rail support bracket on the unit.

•Attach the bracket to the rail with 1/4"-20x5/8" hex bolts and lock washers. Do not overtighten.

•Attach the bracket to the opener by inserting a 5/16"-18x1/2" washered screw through a hole in each side flange and a matching hole in the bracket. Complete the connection by inserting the #8-32x3/8" screw through the back flange and the hole in rail support (Figure 4).

Proceed to Assembly Step 4.

To avoid possible SERIOUS INJURY to fingers from moving garage door opener:

•ALWAYS keep hand clear of sprocket while operating opener.

•Securely attach chain spreader BEFORE operating.

Figure 4

Hex Bolts 1/4"-20x5/8"

 

 

w/Lock Washers

 

 

 

Screw

Washered Bolt

#8-32x3/8"

 

5/16"-18x1/2"

 

 

 

Washered Bolt

 

Chassis

5/16"-18x1/2"

 

 

 

Support

Opener

 

Bracket

 

Back Flange

 

 

 

 

Opener

 

 

Side Flange

6