YASKAWA U1000 - Harmonic Filter Module Cooling Fan Replacement

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Harmonic Filter Module Cooling Fan Replacement
WARNING! Electrical Shock Hazard. Do not connect or disconnect wiring while the power is on. Failure to comply can result in serious
personal injury. Before servicing the harmonic filter module, disconnect all power to the equipment. The internal capacitor remains charged
even after the power supply is turned off. After shutting off the power, wait for at least the amount of time specified on the harmonic filter
module before touching any components.
CAUTION! Burn Hazard. Do not touch a hot harmonic filter module heatsink. Failure to comply could result in minor or moderate injury.
Shut off the power to the harmonic filter module when replacing the cooling fan. To prevent burns, wait at least 15 minutes and ensure the
heatsink has cooled down.
NOTICE: Prevent Equipment Damage. Follow cooling fan and circulation fan replacement instructions. Improper fan replacement could
cause damage to equipment. Follow the instructions and replace the entire unit when replacing the cooling fan.
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Removing the Cooling Fan Unit
CAUTION! Crush Hazard. Do not completely remove the cover screws, just loosen them. If the cover screws are removed completely, the
terminal cover may fall off causing an injury. Take special care when removing/reattaching the terminal covers for larger harmonic filter
modules.
1.
Loosen the 6 screws that hold harmonic filter module cover 1 in place and free it from the harmonic filter module.
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A –6 screw locations
Figure 7.56 Loosen the Screws and Remove Harmonic Filter Module Cover 1
2.
Loosen the 9 screws that hold the terminal cover in place and free it from the harmonic filter module.
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A –9 screw locations
Figure 7.57 Loosen the Screws and Remove the Terminal Cover
3.
Loosen the 14 screws that hold the harmonic filter module cover 2 in place and free it from the harmonic filter module.
CAUTION! Crush Hazard. Do not completely remove the cover screws, just loosen them. If the cover screws are removed
completely, the terminal cover may fall off causing an injury. Take special care when removing/reattaching the terminal covers for
larger harmonic filter modules.
7.4 Drive Cooling Fans
YASKAWA ELECTRIC SIEP C710636 04D U1000 Industrial MATRIX Drive Technical Manual
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Periodic Inspection & Maintenance