Kenmore DU4399 Featherlite Lift-Up Bagless Upright Vacuum

1. Product Overview

The Kenmore DU4399 Featherlite Lift-Up Bagless Upright Vacuum is designed for versatile and efficient cleaning across various floor types. It features a lightweight design, powerful 2-motor system, and specialized tools for comprehensive home cleaning.

Figure 1: Kenmore DU4399 Upright Vacuum with Pet HandiMate tool, upholstery tool, and 3-in-1 combination tool.

2. Setup and Assembly

Assembly of the Kenmore DU4399 vacuum is straightforward and requires minimal effort. Ensure all components are present before beginning.

1. Unpack Components: Carefully remove all parts from the packaging. Verify that the main vacuum body, handle, hose, and accessory tools are included.
2. Attach Handle: Insert the handle into the top of the main vacuum body until it clicks securely into place.
3. Connect Hose: Attach the flexible hose to the designated port on the back of the vacuum. Ensure a snug fit to maintain optimal suction.
4. Store Tools: Place the accessory tools onto their onboard storage clips for easy access during cleaning.

Figure 2: The extra-large dust cup capacity of the Kenmore DU4399, designed for extended cleaning sessions.

3. Operating Instructions

Familiarize yourself with the vacuum's controls and features for effective cleaning.

3.1 Power and Mode Selection

• Power On/Off: Locate the power switch on the main unit. Press to turn the vacuum on or off.
• Floor Type Selection: The vacuum features a 2-motor system. Select the appropriate mode for your floor type:
  • Hard Floor Mode: Disengages the brushroll for safe and effective cleaning on delicate hard surfaces.
  • Carpet Mode: Engages the brushroll for deep cleaning of carpets and rugs.

3.2 Lift-Up Technology

The Lift-Up technology allows for versatile cleaning beyond floors. To activate:

1. Step on the foot pedal located at the base of the main unit.
2. Grasp the handle of the canister and lift it away from the floor nozzle. The canister becomes a lightweight portable unit for stairs, upholstery, and elevated surfaces.

Figure 3: Demonstrating the Lift-Up technology for versatile above-floor cleaning.

3.3 Swivel Steering and LED Headlight

The vacuum features swivel steering for easy maneuverability around furniture and obstacles. The integrated LED headlight illuminates dark areas, ensuring no dirt is missed.

Figure 4: Powerful suction and LED headlight for effective cleaning on various surfaces.

3.4 Accessory Tools

The Kenmore DU4399 comes with several onboard tools for specialized cleaning tasks:

• Pet HandiMate Tool: Designed to effectively pick up pet hair from upholstery and stairs.
• Upholstery Tool: Ideal for cleaning fabric surfaces, curtains, and delicate items.
• 3-in-1 Combination Tool: A versatile tool that functions as a crevice tool for tight spaces, a dusting brush for delicate surfaces, and an upholstery tool.

Figure 5: Included versatile on-board tools for a whole home clean.

4. Maintenance

Regular maintenance ensures optimal performance and extends the life of your vacuum cleaner.

4.1 Emptying the Dust Cup

The extra-large dust cup should be emptied regularly, ideally after each use or when debris reaches the "Max Fill" line. To empty:

1. Press the release button on the top of the dust cup to detach it from the main unit.
2. Position the dust cup over a trash receptacle.
3. Press the bottom release button to open the dust cup flap and empty contents.
4. Close the flap securely and reattach the dust cup to the vacuum.

4.2 Filter Maintenance

The Kenmore DU4399 features a HEPA filter system that traps 99.97% of dust down to 0.3 microns. Filters should be cleaned periodically as per the owner's manual to maintain suction power.

• Refer to the detailed owner's manual for specific instructions on accessing and cleaning the pre-motor and post-motor HEPA filters.
• Allow filters to air dry completely before reinserting them into the vacuum.

4.3 Hair Eliminator Brushroll

The Hair Eliminator Brushroll is designed to automatically remove hair, reducing tangles and maintenance. Periodically check the brushroll for any remaining debris and clear as needed.

Figure 6: The Hair Eliminator Brushroll automatically removes hair, minimizing maintenance.

5. Troubleshooting

If you encounter issues with your Kenmore DU4399 vacuum, consider the following common troubleshooting steps:

• No Power: Ensure the power cord is securely plugged into a working electrical outlet. Check the power switch on the vacuum.
• Loss of Suction:
  • Check if the dust cup is full and needs emptying.
  • Inspect the filters for clogs and clean them.
  • Verify that the hose and attachments are free from blockages.
  • Ensure the dust cup is properly seated and sealed.
• Brushroll Not Spinning:
  • Ensure the vacuum is in Carpet Mode.
  • Check the brushroll for tangled hair or debris and clear it.
  • Verify that the Lift-Up canister is correctly reattached to the floor nozzle.

For persistent issues or problems not listed here, please refer to the comprehensive owner's manual or contact Kenmore customer support.

6. Specifications

7. Warranty and Support

The Kenmore DU4399 Featherlite Lift-Up Bagless Upright Vacuum comes with a 1-year limited warranty.

For warranty claims, technical support, or to purchase replacement parts, please visit the official Kenmore website or contact their customer service department. You can also find more information and products at the Kenmore Store on Amazon.