{HEAD ~ The riser grade adjustment} 122 has a fore end hopper hinge 140 which is pivotably connected to {TAIL ~ riser grade adjustment bars} which are pivotably connected to sleeve hinges 142 mounted on the side wall of the guide sleeve 116 
{ HEAD ~ The riser grade adjustment } 122 has a fore end hopper hinge 140 which is pivotably connected to { TAIL ~ riser grade adjustment bars } which are pivotably connected to sleeve hinges 142 mounted on the side wall of the guide sleeve 116
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH