The guide member is held on {HEAD ~ the underside} by a securing bar supported by gusset supported from {TAIL ~ the housing} 
The guide member is held on { HEAD ~ the underside } by a securing bar supported by gusset supported from { TAIL ~ the housing }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL