Inspection
Area
Inspection Points Corrective Action Checked
Heatsink
• Inspect for dust or other foreign
material collected on the surface.
• Use dry air to clear away foreign
matter.
•
Use a pressure of 39.2 x 10
4
to 58.8
x 10
4
Pa (4 - 6 kg•cm
2
).
Air Duct
• Inspect air intake and exhaust openings.
They
must be free from obstruction and
properly installed.
• Visually inspect the area.
• Clear obstructions and clean air duct
as required.
Motor Periodic Inspection
Operation
Check
• Check for increased vibration or
abnormal noise.
• Stop the motor and contact qualified
maintenance personnel as required.
Note: Periodic inspections
should be performed every one or two years. The drive, however, may require more
frequent inspection due to poor environments or rigorous use.
6.2 Inspection
166
YASKAWA ELECTRIC TOEP C710606 26B YASKAWA AC Drive – J1000 Quick Start Guide
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