When the wedge 254 is fully pushed away from the beam 154, {HEAD ~ the cover} 20 can be removed away from the main body 10 by manually pulling the claws 252 out through {TAIL ~ the corresponding through holes} 152 
When the wedge 254 is fully pushed away from the beam 154 , { HEAD ~ the cover } 20 can be removed away from the main body 10 by manually pulling the claws 252 out through { TAIL ~ the corresponding through holes } 152
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH