| The furnace is hot and every once in a while the | | | | If the wheel is hitting something, then try to see |
| burner will come on for a short time and then go | | | | if it can be fixed. Sometimes the set screw will |
| off again. But the blower that should be running to | | | | just come lose from the shaft and repositioning |
| circulate the hot air from the furnace to the | | | | the wheel and tightening the screw will fix the |
| house is not working. How can you fix that? It | | | | problem. |
| really isn't very hard. | | | | Sometimes power will be going to the motor and |
| It does not matter what the fuel of your hot air | | | | nothing at all is happening. Replacing the motor is |
| furnace is. If the blower is not circulating the air | | | | then the only option. The worst case that |
| through the heater then you are not getting | | | | happens and is one of the most common |
| warm. The function of the blower is to move the | | | | problems is for the hub of the blower wheel to |
| heat from the heater to the space that need to | | | | brake off. This lets the inside of the wheel fall |
| be heated. | | | | down on the motor shaft. The metal from the |
| A few simple tests can tell you what your | | | | wheel will saw off the shaft of the motor rather |
| problem is. Do you have power going to the | | | | quickly as it is spinning trying to run the blower. |
| motor that runs the blower? If you have power | | | | The result of this is a ruined wheel and motor. |
| going to the motor and it is very hot than maybe | | | | This gives a brief overview of some of the many |
| the blower wheel has come lose and it is stuck on | | | | things that may happen to your blower in your |
| something that is keeping it from turning. Try to | | | | hot air furnace. I have encountered many other |
| turn the wheel to see if it is stuck. If the wheel is | | | | things over the years, but these are the most |
| not hitting anything and just turns hard then the | | | | common problems. It will give you a few things to |
| bearings of the motor are bad and the motor | | | | look for if you are having problems. Be very |
| needs to be replaced. In some rare cases the | | | | careful because many times the edges of the |
| motor has little tubes to the bearings and some oil | | | | metal pieces are very sharp. You can be cut very |
| can be worked into the bearings to free them up. | | | | easily when checking or handling these parts. I |
| This is a long a tedious process, but I have done | | | | know and have the scars to prove it! Do not be |
| it successfully a few times. | | | | in a hurry and be safe. |