154 Hydraulic SystemFigure 5-33 Strainer assembly on steel tankReplacing Filter ElementsIMPORTANT : To protect new components of the hydraulic system, the return filter element must be changed afterthe first 50 hours of operation of the vehicle. Change the element twice a year afterwards (seeAUTOMIZER™ Preventive Maintenance Chart on page 22).The filter restriction indicator will indicate, when the engine is running, if the filter needs to bechanged. Replace the filter before the indicator reaches the red zone. This will keep the oil clean,extend component life expectancy and reduce failures.SealStrainer