Hog Slat Inc. Newton Grove, NC USA February 2022 REV A11 19 Ventilation Systems 13. Controller set-up and limit rod adjustment is done by locating (2) lock collars located on limit rod. There is an upper and lower lock collar secured by 3/32” set screw. There are cotter pins permanently installed to set absolute limit of machine in case of slippage or failure of lock collars. 14. To set-up machine, place in manual mode and run machine in “Close” operation until stops. Take up any slack with manual winch. Factory setting of lower lock collar set point should be sufficient; however adjustments to the stopped position of the fully closed position can be made. 15. Next loosen upper limit lock collar. Operate machine in manual mode in the “OPEN” operation. When curtain reaches desired opening, stop the machine by switching manual override switch to center (OFF) position. Operate machine in “CLOSE” direction for approximately 1” of travel then stop. Slide the upper limit lock collar down to the top of the load block and tighten set screw. Figure 23 Upper Limit lock collar. Adjust for “OPEN” set point Lower Limit lock collar. Adjust for “CLOSED” set point
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