MAINTENANCE SAFETY CRITICAL PARTS 3-22 WA420-3MC No. Safety critical parts for periodic replacement Replacement interval Qty.
1 Fuel hose (fuel tank - strainer) Every 2 years or 4000 hours, whichever comes first 1 2 Fuel return hose (strainer - injection pump) 1 3 Fuel return hose (injection pump - fuel tank) 1 4 Steering hose (pump - steering valve) 1 5 Steering hose (steering valve - steering cylinder) 4 6 Steering hose (steering valve - stop valve) 2 7 Steering hose (orbitrol valve - stop valve) 2 8 Steering hose (orbitrol valve - pump) 1 9 Steering hose (orbitrol valve - joint to tank) 1 10 Brake hose (pump - accumulator charge valve) 2 11 Brake hose (accumulator charge valve - check valve) 1 12 Brake hose (check valve - tandem valve) 2 13 Brake hose (check valve - single valve) 1 14 Brake hose (check valve - accumulator port) 1 15 Brake hose (tandem valve - front brake) 2 16 Brake hose (tandem valve - rear brake) 2 17 Brake hose (single valve - tandem valve) 1 18 Brake hose (tandem valve - drain block) 1 19 Brake hose (single valve - drain block) 1 20 Brake hose (drain block - hydraulic tank) 1 21 Brake hose (accumulator - reduction valve) 1 22 Brake hose (transmission valve - reduction valve) 1 23 Brake hose (reduction valve - parking brake chamber) 1 24 Brake hose (parking - reduction valve) 1 25 Brake hose (reduction valve - charge valve drain) 1 26 Brake hose (charge valve drain - hydraulic tank) 1 27 Seat belt Every 3 years 1