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Check condenser coil condition.
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Check head and suction pressure.
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Check and tighten all electrical connections.
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Check condition of return air filter
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Check system for oil and refrigerant leaks.
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Check fan and motor bearings.
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Adjust fan belt tension.
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Lubricate where indicated.
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Check thermostat operation.
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Check for noise and vibration.
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Check for safety controls.
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Examine all parts for visible wear.
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Check oil supply and refrigerant charge.
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Check oil supply and refrigerant charge per service instructions for
equipment.
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