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6 Maintenance (Common to TMdrive-30 and TMdrive-P30)
Preparations for inspection and maintenance
The following points should be noted to use this equipment under the optimal conditions for a maximum period
of time.
(1) Install it correctly.
(2) Follow the correct operation procedure.
(3) Carry out appropriate daily and regular inspections based on a maintenance/inspection plan.
In particular, maintenance and inspection is an effective means to prevent accidental faults of the equipment.
Creating inspection check sheets and recording the equipment-specific characteristic changes and stability of
the components and storing those records helps you perform maintenance and inspection effectively by
preventing faults and investigate the causes of those faults. Maintenance and inspection comprises daily
inspections and regular inspections. Inspections should be carried out in short cycles and more detailed in the
beginning after the installation to prevent initial faults, while inspections after a certain period of time should be
focused on checking of characteristic deterioration of parts.
6.1 Daily Inspections
Daily inspections mainly consist of visual inspections on the following items. Any abnormalities discovered
should immediately be repaired.
(1) Installation environment check.
Temperature, humidity, presence of special gases, presence of dust.
(2) Abnormal sound or vibration of reactor, transformer, cooling fan, etc.
(3) Odor, smell of insulating substances, smell peculiar to each circuit device.
Stop the
equipment
→
Turn off the main
circuit power supply
→
Turn off the control
power supply
→
Check the main circuit
power supply discharge
→
Electrical
check
See Chapter 1 for details.
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