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Treadmill

Model # SCHWINN 840 Official Schwinn treadmill

Here are the diagrams and repair parts for Official Schwinn SCHWINN 840 treadmill, as well as links to manuals and error code tables, if available.

By Schematic
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Browse Parts forSCHWINN 840 Fitness & Exercise

  • Treadmill Walking Belt 003-2574
    #24

    Deck assy diagram

    Treadmill walking belt

    Part #003-2574

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

  • Console Assembly 003-2414
    #1

    Upright assy diagram

    Console assembly

    Part #003-2414

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

  • Treadmill Drive Motor 003-9058
    #19

    Deck assy diagram

    Treadmill drive motor

    Part #003-9058

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

  • Data Cable Kit 003-2540
    #17

    Upright assy diagram

    Data cable kit

    Part #003-2540

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

  • Transport Wheel Assembly 003-2525
    #39

    Deck assy diagram

    Transport wheel assembly

    Part #003-2525

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

  • Side Reil,indivudual 003-5589
    #23

    Deck assy diagram

    Side reil,indivudual

    Part #003-5589

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

  • End Cap,wheel 003-2557
    #40

    Deck assy diagram

    End cap,wheel

    Part #003-2557

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

  • Deck Isolators 003-2545
    #30

    Deck assy diagram

    Deck isolators

    Part #003-2545

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

  • End Cap,deck Left 003-5603
    #26

    Deck assy diagram

    End cap,deck left

    Part #003-5603

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

  • Hardware,roller Adj 003-2542
    #48

    Deck assy diagram

    Hardware,roller adj

    Part #003-2542

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

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

Main causes: faulty sensors, wiring failure, bad control console…

Main causes: bad control console, wiring failure, bad motor control board…

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

Repair guides for treadmills

These step-by-step repair guides will help you safely fix what’s broken on your treadmill.

How to replace a treadmill motor controller

How to replace a treadmill motor controller

Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the…

Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill walking belt

How to replace a treadmill walking belt

A worn walking belt will begin to slow down during use. If your treadmill walking belt is worn out, replace it using the…

Repair difficulty
Time required
 45 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your fitness & exercise

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

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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