The lever helps get air out initially. Then i`d take it off and put a smooth top on. Like I said 2 out 3 failed on me with a tab on top. They are cheap.
~ BD. "You won't find me in an old folks home" Pioneer Florida Cracker 1958 Apache Stepside 1958 Apache 1/2 ton Panel 1959 Apache 1/2 ton Panel
