Chapter 4 N38143 Keel cooling connections - 6TG2AM Figure (G) shows the connections and flow. Connections sizes are both 45mm (1.75 inches). 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. Connections Flow Keel cooler Thermostat Bleed pipe Engine oil filter Engine oil cooler Fresh water pump Engine High water temperature switch Header tank Exhaust manifold Page 24