Shark Navigator Lift-Away NV351WM2 User Manual

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Navigator

®

sharkclean.com

Lift-Away

®

Upright Vacuum

NV350 Series

OWNER’S GUIDE

Table of Contents

Questions and Answers:

R
Ronnie MartinezAug 9, 2025
What to do if my Shark Navigator Lift-Away NV351WM2 Vacuum Cleaner turns off on its own?
- F
  fullercesarAug 9, 2025
  Your Shark Vacuum Cleaner is equipped with a motor protective thermostat. If your vacuum overheats, the thermostat will automatically turn the suction motor off. To restart the thermostat: 1. Turn the vacuum off and unplug it. 2. Empty the dust cup and clean the filters. 3. Check for blockages in the hose, accessories, and inlet openings. 4. Allow the unit to cool for a minimum of 45 minutes. 5. Plug in the vacuum and restart it by moving the selector switch to Setting I (Bare Floor).
W
William Hammond IIAug 15, 2025
Why is my Shark Vacuum Cleaner not picking up dirt?
- A
  angelturnerAug 15, 2025
  If your Shark Vacuum Cleaner isn't picking up dirt, it might be due to a few reasons. First, check the filters to see if they need cleaning, follow the instructions for rinsing and drying them before putting them back. Also, the dust cup might be full, so empty it. Finally, check the hose and its connections for any blockages and clear them if needed. If the dust cup is empty and the attachment inlets are clear, check for other blockages.
M
Morgan HarrisAug 21, 2025
Why is the airflow restricted in my Shark Vacuum Cleaner?
- B
  brownwhitneyAug 21, 2025
  Restricted airflow in your Shark Vacuum Cleaner can be due to several factors. Make sure to check the filters and clean them if necessary, following the rinsing and drying instructions. A full dust cup can also cause this issue, so empty it. Additionally, inspect the hose, hose connections, nozzles, and accessories for any blockages and clear them. You can also rotate the suction release collar on the handle clockwise to increase suction power. If the dust cup is empty, and the attachment inlets are clear, check for other blockages.
A
allisonsteeleAug 28, 2025
How to fix a Shark Navigator Lift-Away NV351WM2 brushroll that does not spin?
- V
  vickiburnsAug 28, 2025
  If the brushroll on your Shark Vacuum Cleaner isn't spinning, immediately turn off and unplug the vacuum. Disconnect the nozzle and remove any blockages before reconnecting and turning the vacuum back on. Step lightly on the floor or nozzle and tilt the handle back to engage the brushroll. Also, make sure the selector switch is set to Setting II (Brushroll On).
S
Sarah RichardsSep 3, 2025
What to do if Shark Navigator Lift-Away NV351WM2 lifts area rugs?
- S
  Sara Wolfe DDSSep 3, 2025
  If your Shark Vacuum Cleaner lifts area rugs, especially lightweight or movable ones, it's likely due to the powerful suction. Be careful when vacuuming area rugs or rugs with delicately sewn edges. Try rotating the suction release collar on the handle counterclockwise to decrease suction power. You can also move the selector switch to Setting I (Bare Floor) to disengage the brushroll.

Shark Navigator Lift-Away NV351WM2 Specifications

General

Model	NV351WM2
Category	Vacuum Cleaner
Technology	Lift-Away
Weight	12.5 lbs
Filtration	HEPA
Dust Cup Capacity	1.2 quarts
Cord Length	25 feet
Power Source	Corded Electric
Type	Upright
Accessories	Crevice Tool, Dusting Brush
Features	Swivel Steering

Summary

Shark Navigator Technical Specifications

Assembling Your Shark Navigator Vacuum

Vacuum Modes and Settings

Upright Mode Operation

Lift-Away® Mode Operation

Vacuum Maintenance

Maintenance Schedule

Emptying the Dust Cup

Cleaning Pre-Motor Filters

Advanced Maintenance and Troubleshooting

Cleaning the Brushroll

Cleaning Post-Motor HEPA Filter

Cleaning the Pet Power Brush

Checking for Blockages

Identifies areas to check for blockages that may cause overheating or loss of suction.

Hose and Connections to Vacuum

Instructions for checking the hose and connections for blockages.

Motorized Floor Nozzle

Guidance on checking the motorized floor nozzle for blockages.

Troubleshooting Guide

Vacuum Not Picking Up Dirt

Troubleshooting steps for when the vacuum is not picking up dirt effectively.

Vacuum Lifts Area Rugs

Airflow Restricted or Light Suction

Diagnosing and resolving issues with restricted airflow or low suction.

Brushroll Does Not Spin

Steps to take if the vacuum's brushroll is not spinning.

Vacuum Turns Off or Indicator Light Flashes Red

Troubleshooting for automatic shut-off or a flashing red indicator light.

SharkNinja Five (5) Year Limited Warranty

Warranty Coverage Details

How to Get Service

Instructions on how to obtain product support and warranty service.

How to Initiate a Warranty Claim

Steps to follow to start a warranty claim, including required information.

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