MAINTENANCE PLAN 194 IMPORTANT Replacement interval 800 for element Replacement (H) 500 interval 100 0 20 40 60 80 100 Breaker operating ratio (%) RWA10710 Replacement interval 800 for element Replacement (H) 500 interval 100 0 20 40 60 80 100 Breaker operating ratio (%) RWA10710 • The hydraulic oil of the machines equipped with demoli- tion hammer deteriorates more rapidly than the oil of the machines used for simple digging operations. On new machines, change the filter after the first 100-150 hours of operation and for the successive changes keep to the indications given in the table beside.
• If the machine contains synthetic biodegradable oil type HEES, the filter must be changed after the first 50 hours of operation. Replacement interval for element 4.7.10.d CHANGING THE FUEL FILTER DANGER • Change the filtering element after work, when the engine has cooled down to 40÷45°C. • When these operations are carried out, fuel may be spilled; clean the dirty areas immediately, in order to pre- vent any risk of slipping or fire. • Oils, filters, the coolant and the battery are considered special waste and must be collected and disposed of ac- cording to the anti-pollution regulations in force.
DANGER • Change the filtering element after work, when the engine has cooled down to 40÷45°C. • When these operations are carried out, fuel may be spilled; clean the dirty areas immediately, in order to pre- vent any risk of slipping or fire. • Oils, filters, the coolant and the battery are considered special waste and must be collected and disposed of ac- cording to the anti-pollution regulations in force. The fuel filter and the fuel pump can be reached after opening the engine hood (See “3.5.1 ENGINE HOOD”). FUEL FILTER 1 - Clean the external surfaces of the unit and then unscrew and remove the old filter (1) by means of the special spanner pro- vided.
2 - Clean the inside of the head (2). 3 - Lubricate the gasket of the new filter and tighten thoroughly. 4 - Given another half turn by hand. 5 - Bleed the fuel supply circuit. BLEEDING THE CIRCUIT After filling the tank, proceed as follows. 1- Turn the ignition switch to position « ».