ASSEMBLY STEP 4

Install the Chain/Cable

1.Pull the cable around the idler pulley and toward the trolley.

2.Connect the cable to the retaining slot on the trolley, as shown (Figure 1):

•From below, push pins of master link bar up through cable link and trolley slot.

•Push master link cap over pins and past pin notches.

•Slide clip-on spring over cap and onto pin notches until both pins are securely locked in place.

3.With the trolley against the screwdriver, dispense the remainder of the cable/chain along the rail toward the motor unit into the slot on the chain spreader, around the sprocket onto the chain spreader and continuing to the trolley assembly. The sprocket teeth must engage the chain (Figure 2).

4.Check to make sure the chain is not twisted, then connect it to the threaded shaft with the remaining master link.

5.Thread the inner nut and lock washer onto the trolley threaded shaft (Figure 3).

6.Insert the trolley threaded shaft through the hole in the trolley. Be sure the chain is not twisted (Figure 4).

7.Loosely thread the outer nut onto the trolley threaded shaft.

8.Remove the screwdriver.

Figure 2

Chain

“U” Bracket

Spreader

Motor Unit

 

Sprocket

Lock

 

Nut

 

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.

Dispensing Carton

Leave Chain and Cable Inside Dispensing Carton to Prevent Kinking.

Keep Chain and Cable

Taut When Dispensing

Figure 1

Master Link

Master

Clip-On

Link Cap

 

Spring

 

 

Master Link

Master

 

 

Clip-On

Link Cap

 

Spring

 

 

 

Cable

 

Trolley

 

Idler Link

 

Threaded

Pin Notch

Pulley

 

Shaft

 

 

Slotted

Round

Master

 

Hole

Hole

 

Link Bar

 

 

 

Cable

Master

 

 

Link Bar

 

 

 

Figure 3

 

Trolley

 

Threaded

 

Shaft

 

Inner Nut

Lock

5/16"

Washer

 

5/16"

 

Figure 4

Trolley

Threaded

Shaft

Round

Hole

10