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