Hope this helps then! I had to refresh my browser once as it was slow to load the photos.
1-You will find a large electrical conduit with a 'ground buss' taped to it on the out side.
2- Very carefully cut the tape and pull the ground buss from the conduit.
3- Now with a small flat screw driver pop off the cover of the ground bus.
Pull the metal buss out of the connector.