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Treadmill

Model # 9896SR Official Roadmaster 3400 programmable treadmill

Here are the diagrams and repair parts for Official Roadmaster 9896SR 3400 programmable treadmill, as well as links to manuals and error code tables, if available.

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Browse Parts for9896SR Fitness & Exercise

  • Switch HH4514T
    #24

    Console and upright assembly diagram

    Switch

    Part #HH4514T

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

  • Crutch Tip MM0035T
    #30

    Walking belt assembly diagram

    Crutch tip

    Part #MM0035T

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

  • Hex Bolt HH0820T
    #38

    Console and upright assembly diagram

    Hex bolt

    Part #HH0820T

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

  • Bushing MM1500T
    #44

    Walking belt assembly diagram

    Bushing

    Part #MM1500T

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

  • Ny Lock Nut HH1753T
    #9

    Walking belt assembly diagram

    Ny lock nut

    Part #HH1753T

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

  • Channel Assembly 350125T
    #18

    Console and upright assembly diagram

    Channel assembly

    Part #350125T

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

  • V-belt KK3019T
    #59

    Walking belt assembly diagram

    V-belt

    Part #KK3019T

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

  • Decal FF0274T

    #NI

    All parts diagram

    Decal

    Part #FF0274T

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

  • Safety Switch KK6081T

    #NI

    All parts diagram

    Safety switch

    Part #KK6081T

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

  • Monitor QQ0021T
    #22

    Console and upright assembly diagram

    Monitor

    Part #QQ0021T

    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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