Did you just push the middle tab up so that the spring could slide over freely?Sorry for not getting back a little earlier, but I have been busy and a bit sick with the flue......
I bought some Schicks this summer 4 in all from various antique dealers and one of them was in rough shape were some one tried to take it apart and was just filthy so I cleaned it up and fixed the spring back to were it should be and straighten the keeper out so that it just clicks in place like a E1 would. Now I can easily clean and put any blade in manually if I want or use the injector. Some Schick owners do not recommend this, but it works the way it does from day one and better because it was unusable before I bought it and now it gives one of the best shaves out there IMO.
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