Shark Navigator NV390 Owner's Guide
![Shark Navigator NV390 Vacuum manual cover](/images/OlUtYyMHeefFdPGhVwJKYBEc/thumbs/thumb175x175.webp)
To clean the filters, first unplug the vacuum. Remove the dust cup and take out the pre-motor foam and felt filters. Rinse them under lukewarm water until the water runs clear. Allow them to air dry completely before reinstalling.
Check for blockages in the hose, filters, and dust cup. Ensure the dust cup is not full and the filters are clean. If the problem persists, inspect the brush roll for tangled debris.
The HEPA filter should be replaced every 12 months to maintain optimal performance. Refer to the user manual for replacement instructions.
Yes, the Shark Navigator NV390 is suitable for hardwood floors. Use the brush roll shut-off feature to prevent scratching on hard floor surfaces.
First, unplug the vacuum. Turn the unit over and locate the brush roll cover. Remove the screws to access the brush roll. Clean any debris or hair wrapped around it.
Check for blockages or debris in the hose, dust cup, and filters. Ensure the brush roll is not jammed with tangled hair or debris.
The suction power can be adjusted by using the suction release collar on the handle. Twist it to decrease or increase suction.
Store the vacuum in a cool, dry place. Ensure the dust cup is emptied, and the cord is neatly wrapped. Avoid placing heavy objects on top of the vacuum.
Regularly clean the filters, empty the dust cup, and check for blockages. Inspect the brush roll and remove any tangled hair or debris.
Yes, you can wash the dust cup. Remove it from the vacuum, empty the contents, and rinse it under lukewarm water. Allow it to dry completely before reinstalling.