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If a previous adjustment has already been made and bristle height does not extend above the baseplate, a new brush assembly should be ordered.

IMPORTANT: Unless the brush is worn as indicated above, both bearings must be in the “NEW” position. When rotating, both bearings must be in the “OLD” position. Unmatched settings can cause damage to the unit.

OLDNEW

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19

Replacing Edge Brush

WARNING: Unplug cord from electrical outlet before servicing.

Turn the power head over. With baseplate facing up, remove the screw located in the center of each edge brush. Remove both edge brushes and replace with new ones. Replace both screws and tighten.

Using an Oreck Fresh Air® Tab

Your ORECK U3771 vacuum cleaner has a special ORECK FRESH AIR® tab pocket. This pocket is located inside the outer cloth bag in the area where the disposable dust bag attaches to the intake tube. Insert tablet in pocket if desired.

Replacing Light Bulbs

16Remove the baseplate by removing 5 screws.

20Remove the belt from the brushroll pulley. Then, remove the brushroll from the housing.

21Remove the fascia by removing 2 screws.

22Rotate fascia away from the power head and lift it away.

23Pull burned out bulb from holder and replace with new bulb.

22Reassemble the fascia.

20Reassemble the brushroll and belt.

16Reassemble the baseplate.

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Oreck U3771 manual Replacing Edge Brush, Using an Oreck Fresh Air Tab, Replacing Light Bulbs
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U3771 specifications

The Oreck U3771 is a versatile and powerful vacuum cleaner designed to meet the needs of both residential and commercial users. Known for its lightweight design and robust performance, this vacuum is a popular choice for those seeking efficiency and ease of use.

One of the standout features of the Oreck U3771 is its exceptional suction power. Equipped with a strong motor, it is capable of picking up dirt and debris from a variety of surfaces, including carpets, hard floors, and upholstery. The vacuum's efficient cleaning capabilities make it suitable for tackling everyday messes, as well as more challenging tasks, such as pet hair or stains.

Another key characteristic of the Oreck U3771 is its lightweight construction. Weighing in at around 8 pounds, it is one of the lightest vacuums in its class, making it easy to maneuver and carry around the house or office. This feature is particularly beneficial for individuals with mobility issues or those who need to transport the vacuum between different floors.

The Oreck U3771 also incorporates advanced filtration technology. It uses a HEPA filter to capture 99.97% of dust and allergens as small as 0.3 microns. This feature not only helps improve the air quality in your home but is also advantageous for allergy sufferers who are sensitive to airborne particles. The vacuum is designed with a top-loading bag system that makes replacing bags simple and mess-free.

Additionally, the Oreck U3771 boasts an intuitive design with a low-profile cleaning head that allows it to easily slide under furniture and reach tight spaces. This feature enhances its versatility, allowing users to clean hard-to-reach areas without the need for additional tools.

The vacuum comes equipped with a variety of attachments, including a dusting brush, upholstery nozzle, and crevice tool, further expanding its cleaning capabilities. These tools enable users to tackle different types of surfaces and debris with ease.

Overall, the Oreck U3771 combines powerful performance, lightweight design, and advanced filtration technology, making it a reliable choice for users looking to maintain a clean and healthy environment. Whether you need it for everyday cleaning or tackling specific messes, this vacuum offers the functionality and efficiency necessary to get the job done effectively.
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