Maintenance Interval For Hydraulic Breaker - Komatsu ecot3 Operation And Maintenance Manual

MAINTENANCE

MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER

For machine equipped with a hydraulic breaker, the hydraulic oil deteriorates faster than for normal bucket digging
operations, so set the maintenance intervals as follows.
Replace hydraulic filter element
On a new machine, replace the element after the first 100 to 150
hours, then carry out further replacement of the element
according to the table on the right.
Change oil in hydraulic tank
Change the oil according to the table on the right.
Replacing additional filter element for breaker (if equipped)
Replacing pirot filter element (if equipped)
Use a guideline of 250 hours for use of the breaker (operating
ratio for the breaker: 50 % or more), and replace the element
according to the table on the right.
X : Breaker operating ratio (%)
Y : Replacement interval (H)
(A): Hydraulic filter element,Pilot filter element
(B): Hydraulic oil
(C): Additional filter element
REMARK
Breaker operating ratio 100% means that only the breaker is used
Breaker operating ratio 0% means that the breaker is not used
MAINTENANCE SCHEDULE
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