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