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Safety Tests
Test air flow dust system for dangerous carbon monoxide
Inspect for combustible material around furnace
Inspect exhust system for proper venting
Test for proper operation of safety and control circuits
Lubricate and clean blower motor air vents
Clean (brush and vacumn) furnace burner
Visual inspection of heat exchangers for dangerous cracks and wear
Inspect and tighten electrical wiring connections
Clean and inspect upper and lower combustion vents
Cleck for natural gas leaks
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Performance Tests
Test thermostat for proper operation, calibrate and level
Measure supply and return temperature differential
Inspect and adjust fan belt tension
Clean existing air filter
Lubricate and clean blower motor air vents
Clean (brush and vacumn) and inspect heat exchangers
Clean furnace exterior
Clean and test thermocouple for proper operation
Measure and adjust gas pressure for peak efficiency
Lubricate all moving parts per manufacturer specification
Measure amperage and voltage of blower motor for proper operation
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