. MAINTENANCE MAINTENANCE SCHEDULE MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER breaker (operating the element 4 - 16 For machin e equipped with a hydraulic b reaker , the hydraulic oil deteriorat es faster than for normal bucket d igging operations, so set the mainte nance intervals as follows REPLACE HYDRAULIC OIL FILTER ELEMEN On new machines, replace the element after the fi rst 100 to 150 hours, th en carry out fur ther replacemen of element accordin g to the table on th e right. CHANGE OIL IN HYDRAULIC TAN Change t he oil a ccording to the table on the right REPLACE ADDITIONAL FILTER ELEMENT FOR BREAKER Use a guideline of 250 hou rs for use of the ratio for t he breake r:
50 % or more), accordin g to the table on th e right.