The electric motor 68 interacts with the pulley assembly 64 for positioning {HEAD ~ the hoisting attachment} 66 generally along {TAIL ~ the longitudinal axis} 28 of the chamber 24 and thereby positioning the plunger 56 generally along the longitudinal axis 28 of the chamber 24 
generally along
The electric motor 68 interacts with the pulley assembly 64 for positioning { HEAD ~ the hoisting attachment } 66 generally along { TAIL ~ the longitudinal axis } 28 of the chamber 24 and thereby positioning the plunger 56 generally along the longitudinal axis 28 of the chamber 24
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL 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 OTH OTH OTH