FIG 1 shows {HEAD ~ a first limit switch} 26 near {TAIL ~ the front end} of the right hand spherical guide 8 and a second limit switch 27 near the rear end face of the spherical guide 
near
FIG 1 shows { HEAD ~ a first limit switch } 26 near { TAIL ~ the front end } of the right hand spherical guide 8 and a second limit switch 27 near the rear end face of the spherical guide
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH 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 OTH