{HEAD ~ The adjusting knob} 47 is screwed at the lower end in the machine frame 2 and has a smaller diameter hole 48 in the upper end portion and {TAIL ~ a larger diameter hole} 49 in the lower end portion 
has
{ HEAD ~ The adjusting knob } 47 is screwed at the lower end in the machine frame 2 and has a smaller diameter hole 48 in the upper end portion and { TAIL ~ a larger diameter hole } 49 in the lower end portion
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH