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AirForce Central Vacuum Parts - Maintenance

How is your AirForce central vacuum maintained? Generally, the only thing required is emptying the debris and cleaning or changing the filtration. Beyond that, there are some upkeep and preventative options given below.

Basic Maintenance for AirForce


Much like a regular portable vacuum, the basic maintenance of a AirForce Central Vacuum System is changing the bag in the main unit. To do this, remove the top of the unit, remove the black gasket, if installed, then lift the paper bag and support bag out together, and place a paper bag into the trash can. Put a new paper filter into the support filter, wrapping the elastic over the edges. Set the filter into the vacuum putting it below the necks of the intakes. Some vacuums have a closed bag that slips off an elbow and a new bag is simply slid back on. Below the support filter is a mesh filter that keeps large debris out of the motors if there was an accident with the main filter. The AirForce Owner's Manual is available here and please note that over the years the look of the vacuum has changed.

Reminder Emails Sent to Empty Your AirForce Vacuum

AirForce Filtration Empty Reminder

Sign up for Free Quarterly Email Reminders to remind you to dispose of your central vacuum debris. Operating your unit with a full filter can reduce suction, making the unit run hotter and clean less efficiently. Your email will not be used for any other purpose, or be sold or borrowed. We simply want to help you remember to keep your AirForce Central Vacuum working at its top performance.

(The image shown does not reflect all types of central vacuum filtration.)

Click Here to Start Your Reminders.


How a Vacuum Motor Works

All AirForce units used permanently sealed motors in their main collection unit. They require no lubrication or oiling. Routine maintenance for typical residential usage should include checking the motor brushes approximately every five years. While checking the motor brushes, make sure the center motor shaft is solid and has no play or wobble. If it does, the bearings are going out and the motor will need to be replaced. If the motor brushes are worn to 3/16 inch long, replace the motor brushes.

If the unit does not have any paper or cloth bag filtration, then a certain volume of debris may accumulate on the motor's internal fan blades. This is not easy to remove and any attempt to remove it has the high possibility of offsetting the balance of the fans. An imbalanced fan causes premature motor failure on the motor bearings.

Here are instructions for checking and replacing vacuum motor brushes. Motor brushes conduct electricity into the motor while touching the center shaft. Over time, they wear down. If they wear all the way down, they can damage the motor.

Click on the image above to understand how a vacuum motor works.

Motor Replacement

AirForce Vacuum Motor Replacement Help

Please contact MD Central Vacuum at 1-800-997-2278 if you are experiencing any problems with your Airforce Central Vacuum.

Motor Brushes

AirForce Motor Brush Help

The AirForce motor has two carbon brushes in each motor that wear down but can be replaced before they damage the motor. AirForce motor brushes should be checked every five years in typical residential applications and should be replaced if the 3/4 inch-long solid carbon "brush" is worn down to anywhere near 3/16 inch. Here are instructions for Checking and replacing vacuum motor brushes. Motor brushes conduct electricity into the motor while touching the center shaft. To find the replacement motor brush for your AirForce Central Vacuum, type the motor replacement number (not brand model number) in the search box and the motor brush will come up in the search result; instructions are on the motor brush page.

Know that the AirForce motor may go bad for other reasons, such as bad bearings or dust build-up in the motor (both are not repairable). If your motor brush doesn't show up under your original motor model number, replace the motor, not the motor brush.


AirForce Circuit Board Replacement

Please contact MD Central Vacuum at 1-800-997-2278 if you are experiencing any problems with your Airforce Central Vacuum.

Inlet & Pipe System Maintenance for AirForce
AirForce Inlet Help

Inlets can get worn out, lose contacts inside the hole, have a gasket or spring missing, and leak air. Parts are not available for central vacuum inlets; therefore, the entire inlet needs to be replaced. Good news is they are not expensive and it is not difficult to replace an inlet valve once you watch our How to Replace an Inlet Video for directions. New vacuum covers look fresh and function much better. New styles, colors, and designs are also available and are compatible. A trim cover is also available during checkout and is useful for covering the marks on the wall where the old inlet sat. Most inlets can be installed opening up or opening down. If you wish to have a different style or color, you can choose from a number inlet cover plates. Look for your inlet replacements here.

AirForce Vacuum Pipe Maintenance Sheets

The pipes in your system should last for the lifetime of your home if properly installed. If black carbon dust has gathered on the exterior of the pipes through static electricity, it can removed with a damp, soapy cloth.

We recommend cleaning out the interior of the piping system at least once per year. The most effective method is with Free Flow Central Vacuum Maintenance Sheets. They do a couple of things. As the sheets are pulled through the pipes, they push along all kinds of items that sit in dead spots, as well as deodorize the hose, pipes, and unit. Some amazing things can be pushed out from your AirForce Central Vacuum pipes, resulting in better suction. We have seen Match Box Cars, C02 cartridges, pencils, rocks, paper clips, and huge clumps of nasty debris.

Hose & Vacuum Head Maintenance for AirForce
AirForce Hose and Vacuum Head Help

Enjoy more years of maintenance free vacuuming by taking care of your equipment. The vacuum hose is an expensive part of the system but will last longer if it is stored on a hose hanger. Never store it attached to the vacuum wands, as it creates a stress fracture in the hose where it bends down from the wands. The best way to hang the hose is to create four or five loops on the floor before picking it up to be hung. It is not recommended to create more loops as this can cause more frustration trying to keep it on the hanger and unwinding it. Consider a Hose Cover to protect the hose and your baseboards and furniture. See if any of these Storage Items can help your situation. Consider hose hangers, wand hangers, hose straps and more. You can get everything off the floor for a more organized closet.

Your carpet brush also requires care. Take time to trim off long fibers and hair that have wrapped around the roller. The roller brush is a perfectly balanced part that spins incredibly fast. But when off balance, friction and vibration can create premature failure of the bearings and bushings. It is quite easy to check and clean your vacuum periodically.

Troubleshooting for AirForce
AirForce Vacuum Troubleshooting and Repair

Self diagnose your system using this Interactive Troubleshooting and Repair Solutions Guide for AirForce Central Vac. We guide you through a simple, methodical deduction of tests and symptoms to find the problematic source of anything from:

We then offer a description of the problem and solutions to repair your AirForce Central Vacuum. We also have 100s of local, independent dealers you can reach out to for help.

Visit the Troubleshooting and Repair Solutions Guide for AirForce Central Vacuum