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

Spreader

 

 

“U” Bracket

Bolt

Motor Unit

 

Sprocket

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

 

Link Cap

 

Clip-On Spring

 

 

Master Link

Master

 

 

Clip-On Spring

Link Cap

 

Cable

 

 

 

 

Link

 

 

Trolley

Pin Notch

Idler

 

 

Threaded

Pulley

 

 

Shaft

 

 

Slotted

Round

Master

 

Hole

 

Hole

 

 

 

 

Link Bar

 

Master

Cable

 

Link Bar

 

Figure 4

Trolley

Threaded

Shaft

Round

Hole

Figure 3

Lock 5/16"

Washer

Inner Nut 5/16"

Trolley

Threaded

Shaft

10