20.Place the adjustable stop into the "ON" end of the slot in the top of the flow control mounting bracket. Secure with the 1/4" x 3/4" carriage bolt, a nylon washer, a 5/16" flat washer and the nylon wing nut. See figure 12.
NYLON
WING NUT
5/16" FLAT
WASHER 
NYLON
WASHER
1/4" x 3/4" | ADJUSTABLE |
CARRIAGE BOLT | STOP |
FIGURE 12
21.Position the flow control mounting bracket (figure 13).
a.Push on flow control arm until it locks in "OFF" position.
b.Slide flow control mounting bracket along tube until closure plate in bottom of hopper just closes.
c.Snug the 1/4" lock nuts just enough to hold flow control mounting bracket in place.
d.Set adjustable stop at "5". Pull flow control arm against stop. Verify that closure plate has opened about half way.
e.If closure plate does not open half way, it may be closed too far at "OFF".Adjust position of flow control mounting bracket until closure plate will open about half way at "5" and still close when arm is locked in "OFF". Tighten 1/4" lock nuts.
ON | OFF |
FLOW |
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CONTROL |
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AJDUSTABLE
STOP
SETTING "5"
FIGURE 13
7