User's Manual

8
Assembly
STEP 4 Install the belt
1. Pull the beltaround the idler pulley and toward the trolley.The ribbed side must contactthe
pulley.
2. Hook the trolley connector into the retaining sloton the trolley as shown (Figure 1).
3. With the trolley against the screwdriver,dispense the remainder ofthe belt along the rail
lengthtoward the motor unitand around the sprocket (Figure 2). The sprocket teeth must engage
the belt.
4. Check to make sure the beltis not twisted. Connect the trolley threaded shaft with the master link
(Figure 3).
l
Push pins of master link bar through holes in end of belt and trolley threaded shaft.
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Push master linkcap over pins and past pin notches.
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Slide clip-on spring over cap and onto pin notches until both pinsare securely locked in
place.
5. Remove the spring trolleynut from the threaded shaft.
6. Insert the trolley threaded shaft through the hole in the trolley.
HARDWARE
Master
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