Hoover U3745, U3721, U3737 manual 8OOm944m9200 U.S. only, Hoover and 0V&f are registered trademarks

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The Hoover Company wants to quickly resolve any concerns about your cleaner or questions regarding its use. However, do not send your cleaner to The Hoover Company in North Canton for service. This will only result in a delay.

If you are not completely satisfied look on the list provided with the product for your local Hoover Factory Service Center or in the Yellow Pages under “Vacuum Cleaners - Household” for an Authorized Warranty Ser- vice Dealer nearest you or call:

I-8OOm944m9200 (U.S. only)

HOOVER and 0V&f are registered trademarks

THE HOOVER COMPANY, NORTH CANTON, OHIO 44720

R2 6-92 U3721-910/37-910/45-910

Litho USA

5651 l-371

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Contents Self-Propelled Read ALL Instructions Before Using this Appliance Unpacking HoseDusting Brush Wands Paper Bag Fragrance Tablet Furniture Guard Cleaner DescriptionBag Spring place spring ring over hook to support the bag Carrying HandleTurn hose end to lock in place 1I How to AssembleAttach hose 2m Attach toolsPull open tool cover To transportHandle positions ON-OFF Power SURGE- switchTo move backward Self Propel featureVariable speed models To move forwardSelf Propel control button Special featuresEdge cleaning Three different self-adjusting I rangesMln M a Air freshener dis- penserQuick cord release Cleaning toolsHow to attach wand and tools Use tools with cleaner handle in upright positionBag MaintenanceWhat to buy How to change bagPosition bottom of collar, How to replaceDisconnect cleaner from electrical outlet What to buyLift out lens BeltsWhen to replace belts How to replaceAgitator belt Slip plastic pulley end Grasp a itator firmly with Illustration See agitator end plate. ForGroove as shown Press firmly to be sure agitator is secure Roll other side of agitator into placeLift and snap retaining clips into place How to replace ‘Power Drive’ belt To check dirt duct Clearing obstructionsReplace paper bag To check dirt tubeWhen agitator brushes are worn they should be replaced Agitator brushes48445015 END Section If you have a problem LubricationMotor is equipped with self-lubricated bearings. Do not add Book under Vacuum Cleaners- Household for your nearest ServiceEnergy saving tips Hoover and 0V&f are registered trademarks 8OOm944m9200 U.S. only

U3721, U3745, U3737 specifications

The Hoover U3737, U3745, and U3721 vacuum cleaners are notable models within Hoover’s lineup, offering powerful cleaning solutions equipped with advanced technologies for effective home maintenance. Each model features unique characteristics aimed at enhancing user convenience and cleaning efficiency.

The Hoover U3737 is designed with a multi-cyclonic technology that separates dirt and debris from the air, preventing filter clogging and maintaining suction power over time. It features a lightweight and maneuverable body, making it easy to carry and navigate around furniture. With a large dirt cup capacity, users can clean larger areas without frequently stopping to empty the container. The U3737 also utilizes a HEPA filtration system, capturing 99.97% of dust and allergens, making it an excellent choice for allergy sufferers.

The U3745 model takes cleaning a step further with its enhanced suction capabilities and additional tools. This vacuum comes equipped with a stretch hose and a variety of attachments, including a pet turbo tool and a dusting brush, which makes it versatile for tackling pet hair, upholstery, and hard-to-reach areas. The U3745 also features a powered brush roll, effectively removing dirt from carpets while protecting delicate surfaces. Its adjustable height setting ensures optimal performance on both carpets and hard floors.

On the other hand, the Hoover U3721 emphasizes user-friendly features. It incorporates a one-touch bag release system, making it easy to dispose of collected debris without creating a mess. This model is also built with an ergonomic handle, ensuring comfort during extended cleaning sessions. The U3721’s eco-friendly design includes energy-efficient motors and a recyclable bag, appealing to environmentally conscious consumers.

All three models share similar technologies, including washable filters that maintain filtration performance and reduce maintenance costs. Furthermore, they benefit from Hoover’s commitment to innovative design, with attention to producing user-friendly, lightweight, and powerful machines suitable for residential cleaning tasks. Whether dealing with pet hair, allergies, or everyday dirt, the Hoover U3737, U3745, and U3721 provide reliable solutions that cater to a wide range of cleaning needs. Overall, these vacuum cleaners stand out for their features and performance, making them valuable tools in maintaining a clean home environment.