22. PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS SAFETY CRITICAL PARTS No. Safety critical parts for periodic replacement O’ty Replacement interval 1 Fuel hose (fuel tank - injection pump) 1 2 Fuel hose (injection pump - fuel filter) 2 3 Fuel return hose (injection pump - adapter) 1 Every 2 years or 4000 hours, Fuel return hose (injection nozzle - adapter) 1 whichever comes sooner 4 5 Hose (torque converter case - transmission oil cooler) 2 6 Hose (transmission oil cooler - transmission case) 2 7 Seat belt (option) 1 Every 3 years k b 5 6 AE080360 3-17