Nautilus
Treadmill

Model #T916 Nautilus treadmill

Here are the diagrams and repair parts for Nautilus T916 treadmill, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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

    Showing 10 of 137 parts

    Cover,mtr#44

    Covers assy Diagram

    Cover,mtr

    Part #SM41108

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

    HARNESS JUMPER ASY#39

    Motor assy Diagram

    Harness jumper asy

    Part #SM27122

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

    Screw#22

    Motor assy Diagram

    Screw

    Part #SM40670

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

    SCREW 0.375-16X2.5#66

    Roller assy Diagram

    Screw 0.375-16x2.5

    Part #SM22016

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

    TYRAP,ADHESIVE MOUNT#NI

    Motor assy Diagram

    Tyrap,adhesive mount

    Part #SM21566

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

    Nut#30

    Motor assy Diagram

    Nut

    Part #SM22029

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

    Circuit Breaker#NI

    Motor assy Diagram

    Circuit breaker

    Part #SM27308

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

    SCREW 6-32X3/8#92

    Console assy Diagram

    Screw 6-32x3/8

    Part #SM17957

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

    EXTRUS,RUBBER S.RAIL-T#80

    Rail assy Diagram

    Extrus,rubber s.rail-t

    Part #SM41334

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

    HARNESS GROUNDING ASY#36

    Motor assy Diagram

    Harness grounding asy

    Part #SM41415

    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: faulty sensors, wiring failure, bad control console
    Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor control board
    Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor
    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
    Main causes: rear roller out of alignment, damaged walking belt, bad roller

    Repair guides for treadmills

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

    June 1, 2015
    By Lyle Weischwill
    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 motor correctly.

    Repair difficulty
    Time required
     15 minutes or less
    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 these steps.

    Repair difficulty
    Time required
     45 minutes or less
    June 1, 2015
    By Lyle Weischwill
    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't run.

    Repair difficulty
    Time required
     15 minutes or less

    Articles and videos common to all fitness & exercise

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

    June 29, 2022

    Top questions about Sears and Sears PartsDirect

    By Sears PartsDirect staff

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