Pin 74 is received within a slot 76 formed in {HEAD ~ the arcuate rear wall} 66 of {TAIL ~ the upper bladeguard} 30 
of
Pin 74 is received within a slot 76 formed in { HEAD ~ the arcuate rear wall } 66 of { TAIL ~ the upper bladeguard } 30
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH