Instructions / Assembly

Assembly

STEP 4 Install the chain

To avoid possible SERIOUS INJURY to fingersfrom moving garage door opener:

• ALWAYS keep hand clear of sprocket while operating opener.

• Securelyattach chain spreader BEFORE operating.

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

2. Connectthe cable to the retaining sloton the trolley.(a)

a. Push pins of master linkbar through cable link and trolley slot.

b. Push master linkcap over pins and past pin notches.

c. 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 unitinto the slot on the chain spreader, around the sprocketonto the

chain spreader and continuing to the trolley assembly and continuing to the trolley assembly.

The sprocketteeth must engage the chain. (b)

4. Thread the inner nutand lockwasher onto the trolley threaded shaft.

5. Insertthe trolley threaded shaftthrough the hole in the trolley.Be sure the chain isnot

twisted. (c)

6. Loosely thread the outer nutonto the trolley threaded shaft.

7. Remove the screwdriver.

HARDWARE

ster

Link

Threaded Shaft

Chain Link

Threaded

Shaft

Outer

Nut

Front Rail

Section

(TO DOOR)

Inner

Nut

Lock

Washer

Master

Link

Master

Link

Sprocket