Engine Diagrams C Series Page E-22 Section E - Engine and System Identification Generator Set Applications Right View - C 8.3 - C Safe Radiator Cooled 1 Local control panel 2 Air cleaner 3 Exhaust cConnection 4 Coolant thermostat location 5 Radiator fan drive shroud 6 Coolant filter 7 Duplex lubricating oil filter 8 Starter 9 Lubricating oil sump hand pump 10 Alternator.