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Hoover
Canister Vacuum

Model # S3520 Official Hoover canister vacuum

Here are the diagrams and repair parts for Official Hoover S3520 canister vacuum, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 102 parts  |
Retainer Plate 31165003
#7

Motor diagram

Retainer plate

Part #31165003

The manufacturer no longer makes this part, and there's no substitute part

Ret Seal-lh 34633002
#29

Main body/wheels diagram

Ret seal-lh

Part #34633002

The manufacturer no longer makes this part, and there's no substitute part

Vacuum Conical Washer 21347003
#3

Agitator 48414079 diagram

Vacuum conical washer

Part #21347003

The manufacturer no longer makes this part, and there's no substitute part

Tube 43453099
#7B

Cleaning tool diagram

Tube

Part #43453099

The manufacturer no longer makes this part, and there's no substitute part

Vacuum Beater Bar Housing End Cap, Left 36423017
#7

Agitator 48414079 diagram

Vacuum beater bar housing end cap, left

Part #36423017

The manufacturer no longer makes this part, and there's no substitute part

Torsion Spring 38351009
#27

Main body/wheels diagram

Torsion spring

Part #38351009

The manufacturer no longer makes this part, and there's no substitute part

Wire Connector 27618508
#2A

Power nozzle diagram

Wire connector

Part #27618508

The manufacturer no longer makes this part, and there's no substitute part

Lid Hinge Bag 36151027
#23

Main body/wheels diagram

Lid hinge bag

Part #36151027

The manufacturer no longer makes this part, and there's no substitute part

Diffuser 43551029
#6

Motor diagram

Diffuser

Part #43551029

The manufacturer no longer makes this part, and there's no substitute part

Seal-12 Pk 34122014
#13

Power nozzle diagram

Seal-12 pk

Part #34122014

The manufacturer no longer makes this part, and there's no substitute part

Most common symptoms to help you fix your vacuum cleaners

Choose a symptom to see related vacuum cleaner repairs.

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Why does my vacuum cleaner shut off suddenly?

Main causes: damaged vacuum hose, clogged motor air filter, bad suction motor…

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Why doesn't my vacuum cleaner have good suction?

Main causes: weak suction motor, vacuum bag is full, clog in suction air path, dirty exhaust filter, leaky vacuum hose…

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Why doesn't my vacuum cleaner's brush roll spin?

Main causes: broken drive belt, damaged brush roll, tripped brush roll motor overload, bad brush roll motor, wiring fail…

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Why won't my vacuum cleaner turn on?

Main causes: lack of power, bad power cord, drive motor failure, wiring failure…

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Repair guides for canister vacuums

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How to replace a vacuum power head ribbed drive belt

How to replace a vacuum power head ribbed drive belt

Some canister vacuums have a ribbed drive belt that spins the brush roll on a power brush attachment. If the brush roll …

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Repair difficulty
Time required
 30 minutes or less
How to replace a vacuum suction motor

How to replace a vacuum suction motor

The suction motor on a vacuum creates the draw of air at the cleaning head that picks up dirt. If the vacuum won't run, …

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Repair difficulty
Time required
 15 minutes or less
How to replace a vacuum beater bar

How to replace a vacuum beater bar

Replace the brush roll if the bristles ares worn or the cylinder is damaged.…

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Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your vacuum cleaners

Use the advice and tips in these articles and videos to get the most out of your vacuum.

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Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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How to use a multimeter to test electrical parts video

How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working…

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Vacuum common questions

Vacuum common questions

Find the answers to frequently asked questions about vacuum cleaners.…

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