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Schwinn
Treadmill

Model # 100518 Official Schwinn treadmill

Here are the diagrams and repair parts for Official Schwinn 100518 treadmill, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 51 parts  |
Rocker Switch 8004777
#NI

Main asy diagram

Rocker switch

Part #8004777

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

Upright 8004939
#21

Main asy diagram

Upright

Part #8004939

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

Upright As 8004938
#20

Main asy diagram

Upright as

Part #8004938

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

Schwinn Hdw Kit 8008972
#56

Main asy diagram

Schwinn hdw kit

Part #8008972

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

Susp Deck 8005403
#28

Motor deck diagram

Susp deck

Part #8005403

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

Handlebar Junction Cover, Left 8005430
#8

Main asy diagram

Handlebar junction cover, left

Part #8005430

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

Svc Kit,hr 8006402
#42

Motor deck diagram

Svc kit,hr

Part #8006402

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

Treadmill Mcb Cover 8006653
#35

Motor deck diagram

Treadmill mcb cover

Part #8006653

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

Wheel Deck 8005218
#26

Motor deck diagram

Wheel deck

Part #8005218

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

Incline 8005156
#41

Motor deck diagram

Incline

Part #8005156

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

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

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Why won't my treadmill power up?

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

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Why is my treadmill's walking belt off center?

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

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Why won't my treadmill start even though the console display works?

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

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Why is my treadmill's heart rate sensor not accurate?

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

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Why does my treadmill have no display?

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

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Why does my treadmill's walking belt slow down?

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

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Why is my treadmill's walking belt slipping?

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

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Repair guides for treadmills

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

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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…

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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…

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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'…

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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.

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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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