I truly apologize for having to ask such a basic question but I am stumped. I have a MPC era Lionel 3100 Great Northern which is in dire need of E-Unit service but I can't figure how to get the shell off the chassis. I have removed all of the obvious screws and expected to be able to lift the shell off but it ain't gonna happen. Does this engine require removal of the side rods etc.? Is there something I am missing? any advice would be appreciated.
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