MAINTENANCE PLAN 4.7.12 MAINTENANCE EVERY 2000 HOURS OF OPERATION Carry out these operations together with those to be performed every 50, 250, 500 and 1000 HOURS. 4.7.12.a CHANGING THE HYDRAULIC SYSTEM OIL AND CLEANING THE SUCTION FIL- TER 201 • On machines containing synthetic biodegradable hydrau- lic oil type HEES, carry out the change after the first 500 hours of operation and successively every 2000 hours, and in any case at least once a year.
RWA30580 2 1 DANGER RWA30580 • After stopping the engine, with the machine positioned so that maintenance can be performed, release the residual pressures from the work equipment circuits (by operating the controls more than once) and from the tank (by slowly loosening the filling cap). • Let the oil cool down until it reaches 4045°C before carry- ing out any maintenance operation. • Immediately clean any area dirty with oil. • 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. 2 1 The filter can be reached after removing the platform (1) with the relevant fastening screws (2).
Use a 17 mm spanner. 1 - Remove the filling cap (3). (Use a 24 mm spanner). 2 - Remove the drain plug (4) and let the oil flow out, gathering it into a container with suitable capacity. Use a 41 mm spanner. 3 - Remove the upper flange (5), the filter cartridge (6) and the filter casing (7). Use a 13 mm spanner. 4 - Remove the grid filter (8), complete with gasket (9) and clean it with light solvents (petrol, kerosene, diesel oil, etc.). RWA28680 5 6 3 7 10 RWA28680 RWA28680 5 6 3 7 10 IMPORTANT • Carefully check the filtering element grid and if it is not in perfect conditions, change it. 5 - Put back the filter (8) complete with the gasket (9).
6 - Change the filter cartridge (6) and reassemble the whole unit. (See “4.7.10.c CHANGING THE HYDRAULIC SYSTEM OIL FILTER”). 7 - Put back the drain plug (4) and fill the oil tank with the pre- scribed oil until reaching the level (10). 8 9 4 RWA28700