Clearing obstructions

To maintain the cleaning effectiveness of your cleaner, remove large items from surfaces before vacuuming. However, if an object larger than can be exhausted in the bag is picked up, it can get caught in the dirt duct or dirt tube.

First, check dirt duct; then dirt tube. if an obstruction cannot be

found or removed, contact your Hoover Factory Service Center or Authorized Hoover Warranty Service Dealer (Depot).

To check dirt duct

Disconnect cleaner from electrical outlet and detach hose from cleaner.

if an obstruction occurs during tool use, disconnect hose from cleaner. Open hose door and carefully remove any visible obstruction. If no obstruction is found, check hose and tools. Remove any obstruction. To continue using tools reattach hose to cleaner.

if an obstruction occurs during floor cleaning, remove hose from cleaner and turn cleaner to expose underside. Remove bottom plate and agitator as shown in “The belts” section. Carefully remove any obstruction from dirt duct.

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Hoover U3737, U3745, U3721 manual Clearing obstructions, To check dirt duct

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.