Empty the dust cup after every use
The fastest way to keep your Shark running well is to empty the dust cup before it gets full. Most Shark models have a release button or latch on the side or bottom of the cup—press it and the cup slides or twists out. Hold it over a trash can and tap the bottom or sides to loosen the dust, then wipe the inside with a dry cloth or paper towel.
Do not wait until the cup is completely full. Once dust reaches the fill line marked on the cup, suction drops noticeably. A full cup also makes the motor work harder and can clog the filters faster. Emptying it takes 30 seconds and extends the life of your vacuum.
Key Takeaways
- Empty the dust cup after each use and before it reaches the fill line to maintain suction and protect the motor.
- Rinse the foam and mesh filters under cool running water every month, or more often if you have pets or allergies.
- Check the brush roll for hair and string weekly, and replace it every 6 to 12 months depending on use.
- Clean the air vents, hose, and wand monthly to prevent clogs that reduce suction and strain the motor.
- Do not use hot water or a dishwasher on any filter or plastic part, as heat damages the materials.
Rinse the filters monthly under cool water
Shark vacuums use two types of filters: a foam pre-filter and a mesh or pleated main filter. Both trap dust and allergens, and both need rinsing to stay effective. Remove them from the top or side of the dust cup—your manual will show the exact location—and hold them under cool running water. Let the water run through the filter from the clean side toward the dirty side, gently rubbing the foam with your fingers to release trapped dust.
Never use hot water, a dishwasher, or soap. Heat damages the foam and mesh, and soap leaves a residue that clogs the pores. Let the filters air-dry completely—at least 2 to 4 hours, or overnight—before putting them back. If you have pets or someone in your home has allergies, rinse the filters every two weeks instead of monthly. A clogged filter is the most common reason Shark vacuums lose suction.
Clear the brush roll of hair and debris weekly
The brush roll (also called the beater bar) spins at the bottom of the vacuum head and picks up dirt and pet hair. Hair wraps around it and slows it down, which reduces cleaning power. Flip the vacuum over, look at the brush roll, and use scissors or a seam ripper to cut away any hair wound around it. You should do this at least once a week if you have pets, or every two weeks if you do not.
While you have the vacuum flipped over, check that the brush roll spins freely by turning it by hand. If it does not spin or spins with resistance, hair or debris is still caught. Keep cutting until it moves smoothly. If the bristles look worn flat or broken after 6 to 12 months of regular use, the brush roll needs replacement. Shark sells replacement rolls for most models, and swapping one takes about five minutes.
Inspect and clean the hose and wand monthly
Clogs in the hose or wand block suction and force the motor to work harder. Once a month, detach the hose from the main unit and hold it up to a light source. Look through it—if you cannot see light on the other end, something is blocking it. Lay the hose on a flat surface and feel along its length for lumps or blockages. If you find one, use a broom handle or plumbing snake to push it out from one end.
The wand (the long tube you hold) can also clog, especially near the connection points. Twist or unclip it from the hose and look inside both ends. If you see dust buildup, run water through it or use a cloth to wipe the inside. Check that all connection points fit snugly—a loose connection reduces suction. If a connection is cracked or broken, Shark sells replacement wands and hoses for most models.
Clean the air vents and motor housing
Dust builds up around the air vents on the dust cup and motor housing, which can block airflow and make the motor overheat. Once a month, use a dry cloth or soft brush to wipe away dust from the vents and the seams where the cup connects to the main unit. Pay special attention to the area around the motor—it should feel cool to the touch after use, not hot.
If the motor feels hot or the vacuum shuts off after running for a few minutes, the vents are likely clogged. Unplug the vacuum and let it cool for at least 30 minutes. Then wipe all vents and air passages with a dry cloth. If overheating continues after cleaning, the motor may need service—contact Shark customer support or a local vacuum repair shop.
Replace filters and brush rolls on schedule
Even with regular rinsing, filters wear out and lose their ability to trap dust. Most Shark models need new filters every 6 to 12 months, depending on how often you vacuum and whether you have pets. The mesh main filter is the one that usually needs replacing first. You will notice suction dropping even after rinsing, or the motor running louder than usual—both signs the filter is at the end of its life.
Shark sells filter kits that include both the foam and mesh filters. The part numbers are printed on your old filters or in your manual. Replacement filters cost between $15 and $40 depending on the model. Buying them ahead of time means you can swap them out as soon as suction drops, rather than waiting and letting the motor strain. The brush roll typically lasts 6 to 12 months as well and costs $20 to $50 to replace.
Store your vacuum in a dry place
Where you store the vacuum matters. Keep it in a cool, dry location away from direct sunlight and heat sources. Moisture can rust the metal parts and damage the motor, and heat can warp plastic components. If you live in a humid climate, store the vacuum with the dust cup removed so air can circulate inside. Never store it with a full dust cup or damp filters—both can trap moisture and cause mold or rust.
If you store the vacuum for more than a month, empty the dust cup and rinse the filters before putting it away. When you take it out again, let it sit for a few hours before using it, especially if the storage area was cold. This allows condensation to evaporate and prevents water from entering the motor.
Frequently Asked Questions
Can I wash the dust cup in the dishwasher?
No. The dust cup is plastic and can warp or crack in the heat of a dishwasher. Wash it by hand with warm soapy water, rinse well, and dry completely before putting it back on the vacuum. Make sure no water drips into the motor housing.
What should I do if the vacuum still loses suction after I clean the filters?
Check the hose and wand for clogs, and make sure the brush roll is clear of hair. If those are clean, the filters may be worn out and need replacement even if they look okay. Rinse them one more time and let them dry fully. If suction is still low, order new filters—they are the most common cause of lost suction.
How do I know if the brush roll needs to be replaced?
If the bristles look flat, bent, or missing after you have cleaned away all the hair, the brush roll is worn out. You can also feel the bristles with your finger—they should be stiff and upright, not soft or matted. A worn brush roll does not pick up dirt as well, even if it spins freely.
Is it safe to use the vacuum if it smells like burning?
No. Unplug it when ready and let it cool for at least an hour. A burning smell usually means the motor is overheating because the filters are clogged or the air vents are blocked. Clean all filters and vents, then try again. If the smell returns, stop using the vacuum and contact Shark support or a repair shop—the motor may need service.
Can I use the vacuum on wet surfaces?
Most Shark models are not designed for wet surfaces. Water can damage the motor and electrical parts. If you spill liquid, unplug the vacuum and let it dry for at least 24 hours before using it again. Some Shark models are made for wet and dry use—check your manual to see if yours is one of them.