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5.4.8 Air Conditioner Maintenance
Watch liquid flowing condition through liquid
gauge
Whether there is hose cracked or damaged or not
Whether there is leakage at every coupler or not
Whether fixing hoop slack or damaged or not
Belt tension and abrasion
Whether intact and well fixed or not
Whether it is clean or damaged or not
Whether there is sundries
Whether loosened, damaged or not
Whether damaged, well fixed or not
Whether well ventilated or not
Whether good touching, and motor in good
condition or not.