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.

CAUTION

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

Figure 1

Washered Bolt

 

5/16"-18x1/2"

Lock Nut

 

Hex Screws 8-32x1"

ASSEMBLY STEP 2

Washers

Attach the Chain Spreader

Figure 2

•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).

Chain Spreader

Motor Unit Sprocket

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

Chain Spreader

 

Sprocket

8-Tooth

 

 

Sprocket

 

Motor Unit

Motor Unit

 

Mounting Plate

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

WARNING

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

#8-32x3/8" screw through the back flange and the

hole in rail support (Figure 4).

Washered Bolt 5/16"-18x1/2"

Screw #8-32x3/8"

Proceed to Assembly Step 4.

Chassis

Washered Bolt 5/16"-18x1/2"

Support

Bracket Opener

Back Flange

Opener

Side Flange

6