22. PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS SAFETY CRITICAL PARTS 3-17 No.
Safety parts for periodic replacement Q’ty Replacement interval Remarks 1 Fuel hose (Fuel tank – priming hose) 1 Every 4000 hours or every two years, whichever comes first – 2 Fuel hose (Priming hose – injection pump) 1 3 Fuel hose (Injection pump – fuel filter) 1 4 Fuel hose (Fuel filter – solenoid valve) 1 5 Fuel hose (Solenoid valve – injection pump) 1 6 Fuel hose (Solenoid valve – joint) 1 7 Fuel return hose (Overflow valve – joint) 1 8 Fuel return hose (Joint – fuel tank) 1 9 Fuel spill hose (between nozzles) 5 10 Turbocharger lubrication hose 2 11 APS fuel hose (between burners) 2 12 APS fuel hose (Fuel filter – burner) 1 13 Fuel spill hose (Nozzle – fuel tank) 1 14 Rubber hose of brake piping 20 15 High-pressure hoses in steering circuit (pump↔ demand valve↔steering valve↔steering cylinder) 11 Replace as assembly 16 High-pressure hose in hoist circuit (pump↔demand valve↔hoist valve↔hoist cylinder) 8 17 Outlet hose of retarder cooling oil pump 5 – 18 Outlet hose of transmission oil pump 2 19 Brake valve parts 1 Every 2000 hours or every one year, whichever comes first Replace as a service kit 20 Parking brake valve parts 1 21 Relay valve parts 1 22 Air governor parts 1 23 Retarder control valve parts 1 24 Emergency relay valve parts 4 25 Emergency brake valve parts 1 26 Quick release parts 2 27 Parking brake chamber parts 1 28 Brake chamber parts (Front and rear) 4 29 Reducing valve parts 3 30 Seat belt 1 Every 3 years Replace