8
Assembly
STEP 4 Install the belt
1. Pull the belt around the idler pulley and toward the trolley.The ribbed side must contact the
pulley.
2. Hook the trolley connector into the retaining sloton the trolleyasshown (Figure 1).
3. With the trolley against the screwdriver, dispense the remainder of the belt along the rail
lengthtoward the motor unitand around the sprocket (Figure 2). The sprocket teeth mustengage
the belt.
4. Check to make sure the beltis not twisted. Connect the trolley threaded shaftwith the master link
(Figure 3).
l
Push pins of master linkbar through holes in end ofbelt and trolley threaded shaft.
l
Push master linkcap over pins and past pin notches.
l
Slide clip-on spring over cap and onto pin notches until both pinsare securely locked in
place.
5. Remove the spring trolley nut from the threaded shaft.
6. Insertthe trolley threaded shaftthrough the hole in the trolley.
HARDWARE
Ma
ster
Link
Threaded Shaft with Spring Trolley Nut
Sprocket
Figure 3
Front Rail
Section
(TO DOOR)
Idler
Pulley
Threaded Shaft
Master
Link
Figure 2
Trolley Connector
Figure 1
Retaining
Slot