Treadmill

Model # 100496 Official Nautilus treadmill

Here are the diagrams and repair parts for Official Nautilus 100496 treadmill, as well as links to manuals and error code tables, if available.

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Browse Parts for
100496 Fitness & Exercise
Belt Guide 8005326
#NI

Main asy diagram

Belt guide

Part #8005326

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

Cover-junc 8009293
#NI

Main asy diagram

Cover-junc

Part #8009293

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

Deck 8009107
#5J

Main asy diagram

Deck

Part #8009107

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

Weldment-t 8010053
#NI

Main asy diagram

Weldment-t

Part #8010053

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

Cover-cons 8009296
#2

Main asy diagram

Cover-cons

Part #8009296

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

Shroud-bas 8009253
#6

Main asy diagram

Shroud-bas

Part #8009253

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

Upright Ri 8009096
#3

Main asy diagram

Upright ri

Part #8009096

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

Shroud-bas 8009252
#7

Main asy diagram

Shroud-bas

Part #8009252

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

Cupholder 8009287
#15

Main asy diagram

Cupholder

Part #8009287

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

Endcap-bas 8009254
#5C

Main asy diagram

Endcap-bas

Part #8009254

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.…