Hello I am having a problem with Symmons Scot metering faucets. The place has 10 of them and all of them need various parts replaced. The problem I am having is I use the 3/32 hex to loosen the screw in the handle. First I can't seem to get any of the hex screws out and if I seem to loosen them I cannot get the handle off. I have a faucet handle puller but there is no way to use it on this type of faucet. Any ideas?