ASSEMBLY STEP 4

Install the Chain/Cable

and Attach the Sprocket Cover

INSTALLING THE CHAIN/CABLE

WARNING

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

• ALWAYS keep hand clear of sprocket while operating

opener.

1.Pull the cable loop from the carton and fasten it to the trolley with a master link from the hardware bag (Figure 1).

•Push pins of master link bar through cable loop and hole in front end of trolley.

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

Leave Chain &

Cable Inside

Dispensing

Carton to

Prevent Kinking

Keep Chain and Cable

Taut When Dispensing

• Securely attach sprocket cover BEFORE operating.

Figure 1

Master Link

Clip-On Spring

 

Master

Master Link

Link Cap

Flat end

Clip-On Spring

of Trolley

 

Master

Threaded Shaft

 

Link Cap

Chain

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

2.With the trolley against the screwdriver, dispense the cable around the pulley.

3.Continue along the rail and around the motor unit sprocket (Figure 2). The sprocket teeth must engage the chain. Continue forward to the trolley threaded shaft.

4.Use the second master link to connect the chain to the flat end of the shaft (Figure 1). Check to make sure the chain is not twisted.

5.Remove the screwdriver.

ATTACHING THE SPROCKET COVER

Insert the back tab in the slot on the back of the mounting plate. Squeeze the cover slightly and insert the front tab (Figure 3).

Figure 3

Sprocket

 

Cover

Rail

Cable

Loop

Pin Notch

Pin

Trolley

Master

CableLink Bar

Pulley

INSTALL CHAIN & CABLE

IN THIS DIRECTION

Motor Unit

Sprocket

Figure 2

Front Tab Slot

Back Tab Slot

Mounting

Plate

10