Hoover
Canister Vacuum

Model #S3646-020 Official Hoover canister vacuum

Here are the diagrams and repair parts for Hoover S3646-020 canister vacuum, as well as links to manuals and error code tables, if available.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

    Showing 10 of 127 parts

    Canister Vacuum Screw#16

    Power nozzle Diagram

    Canister vacuum screw

    Part #21479449

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

    Torsion Spring#44

    Main body/motor/brake pad Diagram

    Torsion spring

    Part #38351009

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

    Field Coil#19

    Motor assembly Diagram

    Field coil

    Part #45311051

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

    Wire Connector

    See All Related Diagrams

    Wire connector

    Part #27618508

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

    Screw#16B

    Motor assembly Diagram

    Screw

    Part #21479573

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

    Vacuum Light Bulb#4

    Power nozzle Diagram

    Vacuum light bulb

    Part #27317307

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

    Vacuum Screw#29

    Power nozzle Diagram

    Vacuum screw

    Part #21447236

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

    Indicator#37

    Main body/motor/brake pad Diagram

    Indicator

    Part #51151028

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

    Retainer Plate#7

    Motor assembly Diagram

    Retainer plate

    Part #31165003

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

    Ribbed Shoe#13

    Power nozzle Diagram

    Ribbed shoe

    Part #013261AY

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

    Symptoms common to all vacuum cleaners

    Choose a symptom to see related vacuum cleaner repairs.

    Main causes: damaged vacuum hose, clogged motor air filter, bad suction motor
    Main causes: broken drive belt, damaged brush roll, tripped brush roll motor overload, bad brush roll motor, wiring failure
    Main causes: lack of power, bad power cord, drive motor failure, wiring failure
    Main causes: weak suction motor, vacuum bag is full, clog in suction air path, dirty exhaust filter, leaky vacuum hose

    Repair guides for canister vacuums

    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 slips, you can replace it using these instructions.

    Repair difficulty
    Time required
     30 minutes or less
    July 1, 2013
    By Lyle Weischwill
    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, give it a new life by replacing the suction motor. These steps explain how.

    Repair difficulty
    Time required
     15 minutes or less
    July 1, 2013
    By Lyle Weischwill
    How to replace a vacuum beater bar

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

    Repair difficulty
    Time required
     30 minutes or less

    Articles and videos common to all vacuum cleaners

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

    January 5, 2015

    10 must-have tools for appliance repair

    By Lyle Weischwill

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

    December 18, 2014

    Deciding between a canister or upright vacuum

    By Lyle Weischwill

    Undecided about canister or upright? We compare them.

    July 1, 2013

    Vacuum common questions

    By Lyle Weischwill

    Find the answers to frequently asked questions about vacuum cleaners.