MAINTENANCE SCHEDULE 4.8.2 MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER For machine equipped with a hydraulic breaker, the hydraulic oil deteriorates faster than for normal bucket digging opera- tions, so set the maintenance intervals as follows. 4.8.2.a CHANGING THE HYDRAULIC OIL FIL- TER In new machines, change the filter after the first 100ч150 hours of operation and for the successive changes keep to the indications given in the table on the right. If the machine contains synthetic biodegradable oil type HE- ES, the filter must be changed after the first 50 hours of opera- tion.
()*#!"#!+( ,-./0(")"( ()*#!"#!+(%' 4.8.2.b CHANGING THE HYDRAULIC OIL Change the hydraulic oil in the tank according to the intervals indicated in the table on the right. On machines containing synthetic biodegradable oil type HE- ES, change the oil after the first 500 hours of operation and for the successive changes keep to the indications given in the ta- ble on the right. !"#$!"%&' 174 ( ) * #! "#! + (, ( * #!