S&C Instruction Sheet 653-506
39
Follow these steps for each PureWave UPS System enclosure transformer bay:
q
Enclosure #: _______________
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De-energize and apply the lockout/tagout procedure to the transformer.
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Apply the safety grounds to the transformer.
CAUTION
Do not use liquid cleaners when cleaning inside the transformer bay . The chemicals may
damage the insulating materials .
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Verify the bay is clean and free of dirt (especially accumulations on the coil). If the coil
is dirty, use a vacuum cleaner to clean it.
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Transformer lead supports, terminal boards, and other major insulating surfaces should
be wiped clean with a clean cloth.
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Inspect the transformer air inlet vents located on the doors of the bay. Clean any debris
or obstructions that can restrict air flow.
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After cleaning and inspection, remove the safety grounds.
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Remove the lockout/tagout and re-energize the transformer.
Verified By: _____________________________________ Date: ______________________
Maintenance