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Lifestyler
Treadmill

Model # 831297051 Official Lifestyler treadmill

Here are the diagrams and repair parts for Official Lifestyler 831297051 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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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 105 parts  |
Cb,15 Amp,sl 031103
#25

Unit parts diagram

Cb,15 amp,sl

Part #031103

Replaced by #109382

?
Manufacturer substitution
This part replaces 031103. Substitute parts can look different from the original.
This item is not returnable
$9.39 | 
10% OFF Phone Price : $10.39
In Stock
Image Treadmill Safety Key Assembly 106337
#3

Unit parts diagram

Image treadmill safety key assembly

Part #106337

This item is not returnable
$6.59 | 
13% OFF Phone Price : $7.59
In Stock
Black & Decker Treadmill Line Filter 185582
#19

Unit parts diagram

Black & decker treadmill line filter

Part #185582

$29.69 | 
17% OFF Phone Price : $35.69
In Stock
Nut,hex Nyl 012082
#42

Unit parts diagram

Nut,hex nyl

Part #012082

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

Nordictrack Exercise Equipment Push Nut, 1-in 108778
#72

Unit parts diagram

Nordictrack exercise equipment push nut, 1-in

Part #108778

This item is not returnable
$2.16
In Stock
Screw 102959
#10

Unit parts diagram

Screw

Part #102959

This item is not returnable
$2.16
In Stock
Cotter Pin,3 106334
#81

Unit parts diagram

Cotter pin,3

Part #106334

This item is not returnable
$2.16
In Stock
Healthrider Wire,16awg,2 103826

#NI

All parts diagram

Healthrider wire,16awg,2

Part #103826

This item is not returnable
$2.16
In Stock
Lifestyler Om,297051 110432

#NI

All parts diagram

Lifestyler om,297051

Part #110432

This item is not returnable
$2.99
In Stock
Black & Decker Wire,jmpr,mt 107771

#NI

All parts diagram

Black & decker wire,jmpr,mt

Part #107771

This item is not returnable
$2.16
In Stock

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

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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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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 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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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 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
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…

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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.

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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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