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Ventilation Systems
12. 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.
13. 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.
14. 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.
Hog Slat Inc. Newton Grove, NC USA May 2019 REV A10
Figure 24
Upper Limit lock collar.
Adjust for "OPEN" set
point
Lower Limit lock collar. Adjust
for "CLOSED" set point
20
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