PERIODICAL CHANGE OF THE COMPONENTS CONNECTED WITH SAFETY 4.6.1 CRITICAL PARTS FOR SAFETY FUEL SUPPLY SYSTEM For the serial numbers and the quantity of the components that periodically need changing, consult the spare parts catalogue section regarding the components connected with safety and the components that must be pe- riodically changed. When changing pipes, always change O-rings, gaskets and analogous components. 1 1 5 8 9 7 6 6 2 2 4 3 RWA31520 158 No.
Components related to safety that periodically need changing Q.ty Change interval 1 Fuel pipe (Fuel tank - precleaner) 1 Every 2 years or 4000 hours, which- ever occurs first 2 Fuel pipe (Precleaner - fuel pump) 1 3 Fuel pipe (Fuel pump - fuel filter) 1 4 Fuel pipe (Fuel filter - injection pump) 1 5 Fuel pipe (Fuel filter - fuel tank) 1 6 Fuel recovery pipe (injection pump - fuel filter) 1 7 Fuel recovery pipe (injector - fuel filter) 1 8 Fuel recovery pipe (between the injectors) 3 9 Fuel recovery plug 1