This article contains the FAQs Guide for the NV355 Series Shark® Navigator® Lift-Away® Professional. This supports the following product SKUs NV355, NV355C, NV355WM1, NV356E, NV356K, NV356Q, NV357, NV358, NV358Q, NV370, and NV370_26, CU512 and UV550.

How do I attach the floor nozzle?

Place the floor nozzle on a level surface, align the tube of the floor nozzle with the tube on the detachable canister and lower until you hear the two pieces click into place. When attaching the motorized floor brush, ensure that the latching mechanism is fully locked in place to ensure electrical connection has been made.

How do I clean the post-motor HEPA filter?

Remove the filter cover from the front of the vacuum by pulling up on the tab and pulling the cover away from the vacuum. Take out the HEPA filter by pulling it straight out, turn the filter over so that the dirty side is on the bottom and vigorously tap it clean against a trash can to remove any dust. Wash the filter under the tap using lukewarm water with the dirty side face down until the water runs clear. Allow the filter to air dry for 24 hours. Once the HEPA filter is dry, replace it back into the vacuum, and then replace the cover by inserting the two tabs into the holes at the top and then swinging the cover down until it clicks into place.

How do I clean the pre-motor filters?

Remove the dust cup, pull the two filters out from the top of the motor housing, rinse the filters thoroughly in lukewarm water until the water runs clear, squeeze out excess water and let air-dry for at least 24 hours before replacing. To replace, put the felt filter in first, then add the foam filter.

How do I detach the canister to clean "above floors" in Lift-Away mode?

From upright vacuum mode, first remove the cord in cord clip, depress the floor nozzle release button on bottom side of canister, gently step on floor nozzle as you hold the handle on top of the canister and lift it away. Next, remove the handle or handle with extension wand, add desired tool onto the end and begin cleaning. Hold the handle in one hand while you carry the detachable canister around the house with the other hand.

How do I empty the dust cup?
  1. Hold the dust cup over the trash and press the bottom door release button on the front of the dust cup. The bottom lid will drop open.
  2. Tap gently to empty contents.
  3. Close the lid, pressing it until it clicks into place.
  4. If needed, turn the dust cup upside down over the trash and press the top door release button.
  5. Tap gently to remove contents and wipe the interior of the dust cup clean with a soft cloth.
How do I remove the dust cup?

To remove the dust cup, undo the latches on the sides of the dust cup by lifting them up and outwards. Pull dust cup up and away from the motor housing. Note: The dust cup should be emptied each time you vacuum and periodically during cleaning, when the dust cup appears full.

How do I remove the extension wand to clean "above floors"?

Press the handle release button, gently pull up on handle to remove from extension wand, add desired tool and begin cleaning.

How do I remove the handle to clean "above floors"?

Remove cord in cord clip first, then press the extension wand release button half-way down the backbone of the vacuum, gently pull up on handle to remove wand, add desired tool to end of wand and begin cleaning.

How do I turn the power on?

Turn the power switch to the "I" for bare floors and above floor cleaning or "II" for brushroll on carpets. The "O" position is off. You may move the power switch from "II" to "I" position to disengage the brushroll.

How do I wash the filters?

Rinse filters under running tap water until the water runs clear. Squeeze filters and let air dry for 24 hours before replacing. Do not wash in dishwasher or washing machine.

How often do I have to change or clean the filters?

You should not need to purchase new filters if the original filters are maintained regularly.

For optimal performance, wash pre-motor foam and felt filters every 3 months under normal use. Wash post-motor foam and felt filters every 12 months under normal use. For optimal performance of the post-motor HEPA filter, wash and air dry once every 2 years, or as needed.

How often do I have to clean the dust cup?

Empty when debris reaches the "Max Fill" line.

Is my Shark vacuum safe to use on hardwood floors?

Yes, but ensure the brushroll is turned off (suction only).

What is the maximum dirt capacity for the dust cup container?

2.2 dry quarts to the MAX FILL line.

What is the story and technology behind "Never Loses Suction"?

Other vacuums use filters or bags that clog and lose suction. Shark Navigator uses patented cyclonic technology that never loses suction. It cleans the last room as well as the first.

What is the vacuum made of?

The Shark Navigator Lift-Away is produced with a combination of durable ABS and PP plastics, along with some metal and rubber components.

When should I use the bare-floor setting?

Use the bare-floor setting when you are on delicate carpets or hard floor surfaces. It is also the setting to use for above-floor cleaning.

When should I use the brushroll setting?

Use the brushroll setting when you want to deep clean your carpets as well as when you want to pick up hair, pet fur, and fibers.

Where can I purchase new filters or replacement parts?

You can purchase replacement parts and other accessories on

Where is the product manufactured?

The Shark Navigator Lift-Away is manufactured by our high-quality vacuum manufacturing partners in China.

Will my brushroll work when in Lift-Away mode?

No, the brushroll will only turn on when in full upright mode, not in Lift-Away mode.

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