Shim means are provided to adjust {TAIL ~ the vertical clearance} between {HEAD ~ the throat} and the gate and horizontal clearance between the gate and the guide member 
Shim means are provided to adjust { TAIL ~ the vertical clearance } between { HEAD ~ the throat } and the gate and horizontal clearance between the gate and the guide member
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH