Really with the three point system you shouldn't have an issue with locking. Usually that will occur with the 2 bolts. I would say that you may have the wrong gasket size in the middle. Rock should not occur with the 3 bolt system.
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Really with the three point system you shouldn't have an issue with locking. Usually that will occur with the 2 bolts. I would say that you may have the wrong gasket size in the middle. Rock should not occur with the 3 bolt system.