 | Check the furnace and heat exchanger
for cracks and holes |
| Check the burner and control |
| Check and adjust the thermostat |
| Check and adjust all safety controls |
| Clean the pilot light |
| Check the filter (will clean or change) |
| Check the chimney |
| Clean and adjust the burner |
| Check for gas leaks |
| Lubricate the bearing |
| Adjust pressure regulation |
| Check belts and adjustment |
| Check the fan operation |
| Check the complete furnace cycle |
