... Air intake and exhaust system, which includes air filter, exhaust silencer, bellow, all intake and exhaust piping, cablings, instruments, valves and ... shaft mounted fan, all interconnecting piping, cablings, instruments, valves and settings, etc. 1.5 Lubricating system includes ... , oil sumps, oil strainers and filters, all interconnecting piping, instruments, valves and settings, etc. 1.6 Starting ...