22. PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS SAFETY CRITICAL PARTS 3-16 No.
Safety critical parts for periodic replacement Q’ty Replacement interval 1 Fuel hose (between nozzles) 5 Every 2 years or 4000 hours, whichever comes sooner 2 Turbocharger lubricating hose 1 3 Fuel hose (nozzle – fuel return hose) 1 4 Fuel hose for APS 3 5 Fuel hose (fuel filter – injection pump) 3 6 Fuel hose (feed pump – fuel return hose) 1 7 Hose (torque converter oil cooler – steering case) 1 8 Hose (blade valve – blade cylinder) 4 9 Inspection hose assembly for power train pressure 1 10 Fuel hose (fuel tank – fuel strainer) 3 11 Fuel return hose 1 12 Hose (torque converter outlet – torque converter oil cooler) 2 13 Fuel hose (fuel strainer – feed pump) 1 14 Hose (ripper low valve – ripper high valve) 4 15 Hose (ripper high valve – work equipment pump) 1 16 Hose (ripper high valve – tank) 1 17 Hose (ripper high valve – ripper lift cylinder) 4 18 Hose (ripper high valve – ripper tilt cylinder) 4 19 Hose (PPC charge valve – PPC lock valve) 1 20 Hose (PPC lock valve – PPC valve for blade) 1 21 Hose (PPC lock valve – PPC valve for ripper) 1 22 Hose (PPC pump – PPC charge valve) 1 23 Hose (hydraulic oil cooler – relay block) 2 24 Hose (relay block – PPC charge valve) 1 25 Hose (relay block – suction tube) 1 26 Hose (PPC valve for blade – main valve) 4