Just prior to reaching its second position, the load piston 90 blocks {HEAD ~ the inlet port} 98 of the drain chamber 218 and, upon reaching {TAIL ~ its second position}, opens the outlet port 114 of the modulating pressure chamber 214 
Just prior to reaching its second position , the load piston 90 blocks { HEAD ~ the inlet port } 98 of the drain chamber 218 and , upon reaching { TAIL ~ its second position } , opens the outlet port 114 of the modulating pressure chamber 214
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH