4.16
1000 HOUR (12-MONTH) INSPECTION & MAINTENANCE
PROCEDURES
Thoroughly read and understand the "1.SAFETY PRECAUTIONS" of this MANUAL before operating or
servicing the machine.
Perform together with daily, 50-hour 120-hour, 250-hour and 500-hour inspection and maintenance.
A.
Replacing Return Filters
The return filter needs delicate treatment because they role important part for removal of contaminant
in hydraulic oil to and preventing trouble of hydraulic component to maintain long service life.
-Use extreme caution when removing the cover. The oil is under high pressure when hot.
Stop engine first, remove breather cap, press valve, release the pressure from tank, and then remove
cover.
-Immediately after operation, there is a hazard of getting burn because oil is hot. The filter should be
replaced after being cooled.
-Long-life return filter is used.
Place an order of return filter element kit,
P/No. YN52V01016R600.
-Change the hydraulic tank return filter on a new machine after the first 50 hours of engine operation
then change every 1,000 hours
And for specification for breaker, replace return filter by every 250 hours.
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4. MAINTENANCE
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4-64
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