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Hoover
Canister Vacuum

Model # S3646-020 Official Hoover canister vacuum

Here are the diagrams and repair parts for Official Hoover S3646-020 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 127 parts  |
Vacuum Wheel 32761001
#27

Power nozzle diagram

Vacuum wheel

Part #32761001

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

Screw 21479573
#16B

Motor assembly diagram

Screw

Part #21479573

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

Fan 43551008
#4

Motor assembly diagram

Fan

Part #43551008

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

Diffuser 43551029
#6

Motor assembly diagram

Diffuser

Part #43551029

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

Screw 21429406
#10

Motor assembly diagram

Screw

Part #21429406

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

Ret Seal-lh 34633002
#46

Main body/motor/brake pad diagram

Ret seal-lh

Part #34633002

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

Vacuum Screw 21447217
#2

Main body/motor/brake pad diagram

Vacuum screw

Part #21447217

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

Bolt 36112006
#16

Motor assembly diagram

Bolt

Part #36112006

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

Vacuum Screw 21447236
#29

Power nozzle diagram

Vacuum screw

Part #21447236

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

Vacuum Power Head Suction Tube 38646081
#12

Hose assembly diagram

Vacuum power head suction tube

Part #38646081

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 …

Read more
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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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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10 must-have tools for appliance repair

10 must-have tools for appliance repair

Come see which tools made our top 10 must-haves for DIY appliance repair.…

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Vacuum common questions

Vacuum common questions

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

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