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Before servicing, unplug the power cord to prevent an electric shock.
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When replacing parts, use only manufacturers recommended components for safety.
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Check the condition of the power cord. Replace if wear or damage is evident.
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After servicing, be sure to restore the lead dress, insulation barriers, insulation papers, shields, etc.
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Before returning the serviced equipment to the customer, be sure to make the following insulation resistance test to
prevent the customer from being exposed to a shock hazard.