Hitachi NEXT Series Instruction Manual page 105

Inspection of Controller and Fan Inverter
16
(The fan inverters are provided only with
Charge lamp (controller)
(Check that it is off.)
Air-Cooled
Charge lamp (fan inverter)
(Check that it is off.)
9. MAINTENANCE [How to Service the Air Compressor]
.)
Air-Cooled
① T urn off the power and wait approximately 10
minutes. Next, remove the front door and then
remove the cover of control panel
② C heck that the charge lights of the controller and fan
inverter are off. Check for abnormal overheat,
discoloration, abnormal odor, and contamination.
③ B low off the dust by dry air
④ D uring periodical maintenance, re-tighten the
terminals, check the conductor and insulator for
corrosion, and inspect/replace the cooling fan and
smoothing capacitor.
Contact the local HITACHI distributor/master dealer or
representative office for the detail.
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