As Y axis motor 102 rotates counter clockwise, line side 19 b moves into {HEAD ~ Y axis bull wheel} through {TAIL ~ sheaves} 180, 172, 181 
As Y axis motor 102 rotates counter clockwise , line side 19 b moves into { HEAD ~ Y axis bull wheel } through { TAIL ~ sheaves } 180 , 172 , 181
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH