Page 2 of 2 4801-0056
PowerTrak™ Limit Switch Installation
8. Remove the cam from the old limit switch assembly and insert the cam between the limit switches
of the new assembly as shown in Figure 2.
9. Replace the 1/4" x 1/2" set screw with the new 1/4" x 3/4" set screw. Do not fully tighten the set
screw.
10. Slide the new limit switch assembly onto the control rod.
11. Secure the limit switch assembly using the bolts that are removed in Step 5 on Page 1.
12. Align the limit switch cam between the two sets of limit switches by sliding it until both the top
and bottom edges can be seen in the two small holes in the cover, then tighten the set screw to
80 in. lbs. (See Figure 2.)
Figure 2
13. Slide the bottom assembly back into the machine.
14. Install the four bolts that are removed in Step 3 on Page 1 back into the same holes.
15. Re-connect both quick connects at the bottom of the machine. The large connector is for the limit
switches and the small connector is for the motor.
16. Re-install the side swinging door.
17. Connect the power to the PowerTrak™.
18. Fully open and then close the curtains, vents or doors connected to the PowerTrak™. Check that
the motor turns in the right direction and the limit switches are functioning properly.