Shark duoclean POWERED LIFT-AWAY NV835 Vacuum Cleaner Manual

The Shark duoclean POWERED LIFT-AWAY NV835 is a versatile upright vacuum cleaner featuring DuoClean technology for deep carpet cleaning and gentle hard floor cleaning, a powered Lift-Away mode for above-floor cleaning, Anti-Allergen Complete Seal technology with HEPA filter, LED headlights, and a variety of specialized attachments. Below are key sections for safety, features, assembly, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Assembly & Setup 3. First-Time Use 4. Specifications 5. Controls and Settings 6. Using Attachments 7. Cleaning Modes 8. Maintenance & Care 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Main vacuum body with DuoClean brushroll, Lift-Away pod, wand, hose, and attachments including Pet Power Brush, Crevice Tool, Dusting Brush, and Upholstery Tool.

Feature	Description
DuoClean Technology	Dual brushrolls for carpets and hard floors
POWERED LIFT-AWAY Mode	Detachable pod for portable above-floor cleaning
Anti-Allergen Complete Seal	HEPA filter traps 99.9% of dust and allergens
LED Headlights	Illuminates dark areas under furniture
Brushroll Shutoff	Automatically stops brushroll on hard floors
Large Capacity Dust Cup	Easy-empty, no-touch dust cup
POWER/SUCTION Button	Turns vacuum on/off and adjusts suction power
LIFT-AWAY Release Button	Releases pod from floor nozzle for handheld use
Brushroll Indicator Light	Alerts when brushroll needs maintenance
Accessory Storage	On-board storage for two tools

Assembly & Setup

Unpack and inspect all contents. Assemble before first use.

Attach wand: Insert wand into floor nozzle until it clicks.
Connect hose: Attach hose to back of vacuum pod and wand.
Install filters: Place pre-motor foam and felt filters; insert HEPA filter into dust cup lid.
Charge battery (if applicable): Plug charger into port and wall outlet for full charge.
Attach tools: Store Pet Power Brush and Crevice Tool on-board.

WARNING! Ensure vacuum is unplugged during assembly. Keep fingers away from brushroll.

First-Time Use

Plug into outlet; turn on vacuum.

Select floor type: Use brushroll shutoff for hard floors; release for carpets.
Adjust suction: Press POWER/SUCTION button for MAX suction on high-pile carpets.
Use Lift-Away mode: Press release button to detach pod for stairs or furniture.
Empty dust cup: Press release button when full; hold over trash can.

CAUTION! Do not vacuum large objects, liquids, or hot ashes.

Specifications

Model: Shark NV835 duoclean POWERED LIFT-AWAY.
Technology: DuoClean brushroll system, Anti-Allergen Complete Seal.
Filtration: HEPA filter, foam and felt pre-motor filters.
Dust Cup Capacity: 1.3 dry quarts.
Cord Length: 25 feet.
Attachments: Pet Power Brush, Crevice Tool, Dusting Brush, Upholstery Tool.
Power Source: 120V AC, 60Hz.
Warranty: 5-year limited warranty.

Controls and Settings

Main controls located on handle and body.

Handle: POWER/SUCTION button (On/Off/Max), LIFT-AWAY release button.

Body: Brushroll shutoff switch, dust cup release button, accessory holder clips.

Settings: Suction power (Normal/Max), brushroll mode (Carpet/Hard Floor), Lift-Away mode (Upright/Handheld). Indicators: Brushroll light (red when jammed or tangled), power light (blue when on).

Using Attachments

Attach tools to wand or hose for specialized cleaning.

Detach wand: Press wand release button on back of vacuum.
Connect tool: Insert Pet Power Brush, Crevice Tool, etc., into wand or hose end.
Select suction: Use MAX for upholstery; Normal for delicate surfaces.
Store tools: Clip onto on-board storage when not in use.

Tip: Use Pet Power Brush for pet hair on furniture and stairs.

Cleaning Modes

Three main cleaning modes: Upright, Lift-Away, and Handheld.

Upright mode: For floors; brushroll engaged for carpets.
Lift-Away mode: Press release button; carry pod for above-floor cleaning.
Handheld mode: Remove pod and attach tool directly to hose for spot cleaning.
Brushroll shutoff: Automatically stops brushroll on hard floors to prevent scattering debris.
LED lights: Activate automatically in dark areas.

WARNING! Do not use vacuum without filters installed.

Maintenance & Care

Regular maintenance ensures optimal performance.

Empty dust cup: After each use; press release button to open.
Clean filters: Rinse HEPA and pre-motor filters monthly; air dry 24 hours.
Clear brushroll: Remove debris from brushroll weekly; cut tangled hair with scissors.
Check hose/wand: Remove clogs with long object if suction decreases.
Inspect belt: Replace if brushroll does not spin (every 6-12 months).

CAUTION! Unplug vacuum before maintenance. Do not use damaged parts.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © SharkNinja Operating LLC. All trademarks owned by SharkNinja. For support, visit sharkclean.com or contact 1-800-798-7398.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Loss of suction	Full dust cup/clog	Empty dust cup; check hose, wand, and nozzle for blockages.
Brushroll not spinning	Tangled debris/belt	Clear brushroll of hair and strings; check and replace belt if worn.
Vacuum shuts off	Overheating/filter	Clean filters; let vacuum cool for 60 minutes; check for clogs.
Red brushroll light	Brushroll jam	Turn off vacuum; unplug and clear jam from brushroll.
Lift-Away not detaching	Release button stuck	Press firmly; ensure vacuum is upright; check for obstructions.

Reset: Unplug for 60 minutes; plug back in.

Service: 1-800-798-7398; sharkclean.com