Engine Diagrams C Series Page E-20 Section E - Engine and System Identification Generator Set Applications Right View - C 8.3 - C Power Keel cooler Cooled 1 Local control panel 2 Air cleaner 3 Exhaust connection 4 Coolant thermostat location 5 Coolant expansion tank 6 Coolant filter 7 Starter 8 Duplex lubricating oil filters 9 Lubricating oil sump hand pump 10 Alternator.