Hitachi S-3400N Benutzerhandbuch

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4.3.1 
4 - 23 
NOTICE:  1.  The mark "
○" indicates the time period after the start of operation or replacement 
of the part.    The mark "
●" shows the time point for part replacement. 
2.  The above table shows the standard inspection cycle.    The inspection cycle 
changes slightly with the operating conditions (temperature, humidity, etc.). 
If the operating conditions are severe, shorten the inspection cycle. 
3.  For inspection and maintenance of the asterisked items, ask your dealer or nearby 
service agent. 
4.  Caution on long shutdown 
If the air compressor is not intended to be used for a long time, idle it for 30 
minutes or longer once a month in order to prevent the service life of grease from 
being shortened due to humidity.