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Check the condenser coil for its heat transfer and dust/dirt accumulation. |
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Check Fans and Blowers, clean if required. |
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Check refrigerant pressures and assure system is leak free. |
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Check the amperage of the compressors/motors. |
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Check exposed duct for any leak and proper insulation. |
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Adjust belts and pulleys or replace if needed. |
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Check thermostat setting and calibrate if required. |
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Lubricate motors and bearings to avoid frictional losses. |
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Test controls and safety switches. |
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Check the heating system for proper operation. |
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Check relays and contactors. |
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Inspect the evaporator coil and clean if necessary. |
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Inspect blower motor and current rating vs. actual. |
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