ASSEMBLY STEP 4

Attach the Chain Spreader and Re-install the Chain

MODELS 1356 AND 1346 ONLY

•Line up the holes in the chain spreader with the holes in the motor unit as shown. The slot in the chain spreader must fit over the Rail flange (Figure 1).

•Securely fasten the chain spreader with the hardware provided.

•Remove the trolley threaded shaft from the trolley by loosening the inner nut and lock washer (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) as shown (Figure 3).

•Continue dispensing the chain forward to the trolley (Figure 4). Reconnect the trolley to the trolley threaded shaft. Proceed to Assembly Step 3 for chain tightening instructions.

WARNING

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

•ALWAYS keep hand clear of sprocket while operating opener.

•Securely attach sprocket cover BEFORE operating.

 

#8x1"

 

Hex Screw

USE ONLY

Washers

Chain

THIS TYPE

Spreader

AND SIZE

Slot

SCREW

 

Rail

Flange

Outer

Inner Nut

Trolley

Nut

and Washer

Threaded Shaft

Figure 1

Chain

Spreader

Chain

8-Tooth Sprocket

Motor Unit

Mounting Plate

Rail

Trolley

Figure 2

Spreader6-Tooth Sprocket

Motor Unit

Mounting Plate

Figure 3

Install Chain

In This Direction

Chain

 

Spreader

Sprocket

Figure 4

10