When the expansion claw stops after advancing until it comes in contact with the pins end face, the expansion claw has been enlarged with {TAIL ~ its bore} becoming at least slightly larger than the outer diameter of the pin opposite to {HEAD ~ the expansion claw} 
When the expansion claw stops after advancing until it comes in contact with the pins end face , the expansion claw has been enlarged with { TAIL ~ its bore } becoming at least slightly larger than the outer diameter of the pin opposite to { HEAD ~ the expansion claw }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD