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
Shroud Hardware 8004152
#NI

Main asy diagram

Shroud hardware

Part #8004152

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

Treadmill Safety Key 8006259
#14

Main asy diagram

Treadmill safety key

Part #8006259

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

Weldment 8009222
#NI

Main asy diagram

Weldment

Part #8009222

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

Cupholder 8009284
#16

Main asy diagram

Cupholder

Part #8009284

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

Shroud 8009263
#5F

Main asy diagram

Shroud

Part #8009263

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

Adjustable Foot 8005139
#NI

Main asy diagram

Adjustable foot

Part #8005139

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

Tray-cross 8010343
#11

Main asy diagram

Tray-cross

Part #8010343

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

Shroud 8011998
#5H

Main asy diagram

Shroud

Part #8011998

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

Shroud 8011997
#5G

Main asy diagram

Shroud

Part #8011997

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

Rocker Switch 8004777
#NI

Main asy diagram

Rocker switch

Part #8004777

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: 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…

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

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 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
How to replace a treadmill walking board

How to replace a treadmill walking board

A worn-out walking board creates friction with the walking belt and causes the belt to slow down during use. Replace the…

Repair difficulty
Time required
 30 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.…