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Cleaning and Preventive Maintenance check sheet.docx

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  Cleaning and Preventive Maintenance check sheet Indoor Unit Checked power supply breaker and switch to off position Clean evaporator pins and screen cover. Clean catch pad and drain line passage. Removed impurities/dirt inside the drain pipe (used air pressure if it’s necessary.  Clean front cover display board and electronic board. Outdoor Unit Removed outdoor unit body cover, clean inside and outside the body Clean motor fan/blade, compressor, condenser unit such as pins and pipe. Tighten all screw declogged outdoor drain hole. Clean electronic board using dry blower/air blower it’s either conventional or inverter cooling unit. After cleaning check all fittings, suction line. Discharge line for leakator checking. Notes: Records all defective parts and report immediately for proper counter measure/ replacement and repair. For proper report, used extra pieces of clean paper at the back of the page.   
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