96
MAINTENANCE
Expendables
Replace expendables such as filters and elements periodically, referring to the table below.
Item Part name
Part No.
Replacement
interval
Hydraulic oil return
filter
Element After first 50 hrs.
Every 500 hrs.
1551103100
Fuel filter Every 500 hrs.Element Y119810-55650
After first 50 hrs.
Every 250 hrs.
Y119305-35150Engine oil filter Cartridge
Every 1000 hrs.
or after 6 cleanings
(whichever comes
first)
Air cleaner Outer Element Y119515-12520
Inner Element
(option)
1911101342 Every 1000 hrs.
or after 3 cleanings
of the outer element
(whichever comes
first)
Service Data
Replace the hydraulic oil regularly!
When using a hydraulic breaker, the oil deteriorates quicker than during normal digging. Be
sure to replace the hydraulic oil and return filter element.
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Failure to replace these in time can lead to damage to the machine and breaker’s
hydraulic systems. In order to improve the service life of the hydraulic systems, be sure
to replace the hydraulic oil and return filter element according to the following chart of the
replacement interval.
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Clean the suction strainer when changing the return filter element.
Replacement Interval (Hours)
Item
Hydraulic Oil
Filter Element
1st time 25
2nd time 100
Periodically 1200(600) 200
When the breaker operating ratio is 100%
Refer to page 170 “Hydraulic Breaker”.