Sakai SW300 Operating & Maintenance Instructions page 64

[ 3. PERIODICAL MAINTENANCE
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Hydraulic tank
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1) Remove the drain plug, and drain oil while it is warm.
2) Clean inside of the tank, and fill fresh oil to the
specified level.
3) Start and run the engien at idling for 2 to 5 minutes.
When the hydraulic oil has become free from air
bubbles, stop the engine and recheck the oil level.
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Suction filter
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Take off the hydraulic tank cover. Take out and clean the
strainer, change the strainer if necessary.
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Line filter
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Remove the filter case by turning counter-clockwise as
viewed from the bottom, and change the element.
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