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Hoover U3745, U3721, U3737 manual If you have a problem, Lubrication

Models: U3721 U3745 U3737

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I If you have a problem

/ This appliance was inspected thoroughly and was in good operat-

; ing condition when it was shipped from the factory. If a minor

j problem occurs, it usually can be solved quite easily when the cause is found. Therefore, this check list is provided for your convenience.

Problem

Possible cause

Possible solution

Cleaner

1. Not firmly plugged in.

1. Plug cord in firmly.

won’t

2. No voltage In wall plug.

2. Check fuse or breaker.

TM

3. Blown fuseMpped

3. Replace fuse/reset

 

breaker.

breaker.

Cleaner

1. Broken or worn agitator

1. Replace belt.

won’t

belt.

2. Replace brushes.

pick up

2. Agitator brushes worn.

 

3. Bag full

3. Change paper bag.

 

4. Obstruction in cleaner.

4. Clear dirt duct

 

5. Bag not opening.

and/or dirt tube.

 

5. Check for firm bag

 

 

 

connection.

 

6. Incorrect carpet height

6. Move nozzle control

 

setting.

lever to type of carpet

 

 

 

being cleaned.

 

 

 

 

Cleaning

1. Hose clogged.

1. Remove hose and tools;

tools won’t

 

 

remove obstruction.

pick up

 

 

 

 

 

Cleaner

1. ‘Power Drive’ belt broken 1. Replace belt.

won’t

or worn.

 

self propel 2. Self Propel control button 2. Slide button to ON. in OFF position.

Lubrication

The motor is equipped with self-lubricated bearings. Do not add

lubricant to the motor; it could cause damage.

The agitator is equipped with two ball bearings that should be lubricated periodically by a Hoover Factory Service Center or an Authorized Hoover Warranty Service Dealer (Depot).

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Hoover U3745, U3721, U3737 If you have a problem, Lubrication, Motor is equipped with self-lubricated bearings. Do not add
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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.