The hingedly mounted pivot plate allows access to {HEAD ~ the lateral trough section} without having to remove {TAIL ~ the entire cover} 
The hingedly mounted pivot plate allows access to { HEAD ~ the lateral trough section } without having to remove { TAIL ~ the entire cover }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL