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Schwinn
Treadmill

Model # 100403 Official Schwinn 870 journey 8.5 treadmill

Here are the diagrams and repair parts for Official Schwinn 100403 870 journey 8.5 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
#45

Deck assy diagram

Rocker switch

Part #8004777

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

Upright Lt 8004893
#27

Main assy diagram

Upright lt

Part #8004893

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

Svc Kit,hd 8006405
#38

Deck assy diagram

Svc kit,hd

Part #8006405

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

Incline 8005156
#42

Deck assy diagram

Incline

Part #8005156

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

Right Wheel Cover Base Shroud 8004929
#5

Deck assy diagram

Right wheel cover base shroud

Part #8004929

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

Shroud Base 8004930
#6

Deck assy diagram

Shroud base

Part #8004930

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

Treadmill Handlebar Cover, Lower 8005415
#11

Main assy diagram

Treadmill handlebar cover, lower

Part #8005415

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

Accent Piece Motor Cover 8005420
#47

Deck assy diagram

Accent piece motor cover

Part #8005420

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

End Cap, Left 8004907
#3

Deck assy diagram

End cap, left

Part #8004907

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

Treadmill Motor Bottom Cover 8004477
#37

Deck assy diagram

Treadmill motor bottom cover

Part #8004477

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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