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Gas Furnace Maintenance Steps

Gas furnace maintenance is imperative to the overall heating comfort of the home. When you have a gas furnace as your main heating source, you must take care to keep the unit in tip-top shape. It is important as the home owner to learn the maintenance procedures that you can do to keep your unit running efficiently. It is recommended that home owners conduct certain maintenance procedures but that a technician also reviews the unit at least once a year. The furnace needs to be checked by a technician for performance as well as operation of the system to ensure safe usages as well as repair any minor issues.

Gas furnace system
Image: flickr.com/photos/19779889@N00

Below is a simple guide on how you can maintain your gas furnace system. Before getting started, be sure to cut the power to the unit. You never want to leave the system on as it can result in a shock of electricity or even death. Cut The Power from the main electrical panel before you begin.

Cleaning/Changing Air Filters

The air filters of the units must be cleaned or changed on a regular basis to ensure that the air is clean and free of dust and other particles. A dirty air filter can cause the unit to work harder to heat the home and this can make your unit breakdown and be in need of repair. If you have the ability to clean your filter, such as plastic filters, then do so at least once a month to three months. This would include vacuuming the filter, washing with detergent and water and then allow drying before placing back into the unit. If your system uses cardboard or fiberglass air filters, throw away the dirty filter and replace with a new one.

Lubricating the Mechanics

The next basic maintenance step is to lubricate the mechanics of the system. If you have a unit with a motor that has prelubricated parts, you will not have to lubricate. If you do have a motor that needs to be lubricated, you will use a few drops of electric motor oil on each bearing on a two year basis. Continue to do this and be sure to not over oil so the bearings can move without restriction.

Burner and Components

For further inspection and maintenance, the burners can be removed and the system checked for corrosion. This is a semi-complicated process and may be best left to the professionals. After the power is cut to the unit, the thermostat needs to be set at the lowest temp. The gas supply should be shut off and then the burner door removed. The blower door and flange must be removed and you will then disconnect the gas supply piping from the valve for gas.

The screws to the burner tray and the center panel will then need to be removed. Each wire needs to be marked on the gas valve for reconnection when finished. Disconnect the gas valve wiring and remove the burner tray as well as manifold assembly. Each screw from the unit top plate must be removed and wires and tube from the pressure switch as well.

You will need to remove the draft inducer wiring by removing screws that connect the draft inducer from the center panel. The heat exchanger perimeter screws will then need to be removed and the connected screws will be removed from the hot surface ignition. The heat exchanger should be easily removed after these processes. You can then clean the exchanger or place a new one in the unit if need be.

Some of these maintenance tips may be above your skill level. Remember, you can always contact a professional to help you with maintenance and service of your furnace unit. Contact your local HVAC Company to schedule regular service so you can feel good about the workability of your unit, on top of your regular maintenance.

 

Author Bio:

Tess Young is a freelance blogger who has over 3 years of experience in writing. She love writing blogs on various topics which include Home Improvement. She started blogging as a way to share her innovative ideas with people which may help them in their day today happenings.

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