Shark CU512
Shark CU512 Lift-Away XL Upright Vacuum User Manual
Model: CU512
Introduction
Welcome to the user manual for your Shark CU512 Lift-Away XL Upright Vacuum. This powerful and versatile vacuum cleaner is designed to provide exceptional cleaning performance on various surfaces, from deep carpets to bare floors. Its innovative Lift-Away feature allows for portable cleaning, making it easy to tackle stairs, upholstery, and hard-to-reach areas. Equipped with Anti-Allergen Complete Seal Technology and a HEPA filter, it captures dust and allergens, ensuring a cleaner home environment. Please read this manual thoroughly before operating your vacuum to ensure safe and efficient use.

Figure 1: The Shark CU512 Lift-Away XL Upright Vacuum in its full upright configuration.
Key Features
- Lift-Away Technology: Detachable pod for portable cleaning of above-floor areas.
- Anti-Allergen Complete Seal Technology + HEPA Filter: Traps 99.9% of dust and allergens inside the vacuum.
- Powerful & Lightweight: Weighs only 14 lbs, offering strong suction without heavy lifting.
- Brushroll Shutoff: Seamless transition from deep carpet cleaning to gentle bare floor cleaning.
- Swivel Steering: Enhanced maneuverability around furniture and obstacles.
- Crevice Tool: Included for versatile cleaning in tight spaces.

Figure 2: Demonstrating the powerful suction on both carpet and hard floors.

Figure 3: The Lift-Away feature allows for extended reach and versatile cleaning.

Figure 4: Anti-Allergen Complete Seal Technology captures and traps over 99.9% of dust and allergens.
Setup and Assembly
Your Shark CU512 vacuum comes partially assembled. Follow these steps to complete the setup:
- Insert the wand into the nozzle until it clicks securely.
- Slide the pod onto the wand until it locks into place.
- Attach the hose to the back of the pod by pushing it firmly until it clicks.
- Store the crevice tool on the accessory post located on the side of the wand.
- Wrap the power cord around the cord hooks for neat storage.

Figure 5: What's in the box: Main vacuum unit and crevice tool.
Operating Instructions
Before operating, ensure the power cord is fully unwrapped and plugged into a grounded outlet.
Power and Surface Settings:
The power switch and surface selector are located on the top of the main unit. Choose the appropriate setting for your cleaning task:
- Hard Floor: For bare floors and delicate area rugs. The brushroll will not spin in this mode.
- Carpet: For low-pile to high-pile carpets. The brushroll will spin to agitate carpet fibers.
Using Lift-Away Mode:
To use the Lift-Away feature for portable cleaning:
- Press the Lift-Away button on the side of the pod.
- Lift the pod away from the nozzle.
- You can now carry the pod and use the hose with attachments for above-floor cleaning.
- To reattach, simply place the pod back onto the nozzle until it clicks.
Using Attachments:
The included crevice tool can be attached to the end of the hose or the wand for extended reach. This is ideal for cleaning corners, between couch cushions, and other tight spaces.
Video 1: Official product video demonstrating the Shark CU512 Lift-Away XL Upright Vacuum's features and operation.
Maintenance
Regular maintenance ensures optimal performance of your Shark vacuum.
Emptying the Dust Cup:
Empty the dust cup after each use or when debris reaches the MAX FILL line.
- Press the dust cup release latch and lift the dust cup off the pod.
- Hold the dust cup over a trash bin and press the bottom release latch to open the bottom flap.
- Tap gently to empty debris. Close the flap until it clicks.
- If necessary, open the top release latch to access the filter screen and remove any built-up debris.
Cleaning Filters:
Rinse filters regularly to maintain suction power. Rinse with cold water only and allow to air dry completely before reinstalling.
- Pre-Motor Foam & Felt Filters: Rinse every 3 months.
- Post-Motor HEPA Filter: Rinse once a year.
Note: Do not wash any vacuum parts or accessories in a dishwasher.
Troubleshooting
If your vacuum is not performing as expected, consult the following common issues and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Vacuum not picking up debris. | Dust cup is full; filters need cleaning; hose is clogged. | Empty dust cup. Clean pre-motor and HEPA filters. Check hose and openings for blockages. |
| Brushroll not spinning. | Brushroll shutoff is engaged; blockage in brushroll area; vacuum is in Hard Floor mode. | Ensure vacuum is in Carpet mode. Clear any obstructions from the brushroll. |
| Vacuum turns off on its own. | Overheating due to clogged filters or hose; thermal protector activated. | Turn off vacuum, unplug, and allow to cool for at least 45 minutes. Clear any blockages and clean filters. |
Specifications
- Brand:
- Shark
- Model Name:
- Shark Navigator Upright Vacuum (CU512)
- Color:
- Teal
- Special Feature:
- Lightweight, Corded, Bagless, Washable Filter, HEPA
- Filter Type:
- Foam
- Included Components:
- Crevice Tool
- Item Weight:
- 17 pounds
- Product Dimensions:
- 11.4 x 9.06 x 45.28 inches
- Noise Level:
- 80 dB
Warranty Information
This Shark CU512 Lift-Away XL Upright Vacuum comes with a 90-day limited warranty. Please retain your proof of purchase for warranty claims. For detailed terms and conditions, refer to the warranty card included with your product or visit the official Shark website.
Additionally, renewed products are eligible for replacement or refund under the Amazon Renewed Guarantee for 90 days from purchase.
Customer Support
For further assistance, product registration, or to purchase replacement parts and accessories, please contact Shark Customer Service:
- Website: Visit the official SharkClean website for FAQs, troubleshooting guides, and product support.
- Phone: Refer to your product packaging or the SharkClean website for the most current customer service phone number.
Always ensure you have your model number (CU512) and serial number ready when contacting support.