There are Min/Max KANBAN's though. Kanban operates on a pull push system. I have never experienced a pure pull system nor have I been able to ever create one. There will always be buffers, herbie has to reside somewhere!
POU is the way to go per BillPSU depending on available space due to...
Lean Maintenance: To help you frame your thinking because I have been in this jam before is to First ask yourself "Where is the cash going?" - run it likes its your own business.
Reduce cash expenditures for items that sit but don't really need to be in your house. Besides labor.
TPM is an...