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Lifestyler
Treadmill

Model # 831297152 Official Lifestyler lifestyler expanse 550 treadmill

Here are the diagrams and repair parts for Official Lifestyler 831297152 lifestyler expanse 550 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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Showing 10 of 108 parts  |
Treadmill Safety Key (replaces 125589, 153017) 119038
#6

Unit parts diagram

Treadmill safety key (replaces 125589, 153017)

Part #119038

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Treadmill Walking Belt Alignment Tool (replaces 161927) 128457
#62

Unit parts diagram

Treadmill walking belt alignment tool (replaces 161927)

Part #128457

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$2.49 | 
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Treadmill Circuit Breaker, 15-amp (replaces 031103, 127202, 173322) 109382
#46

Unit parts diagram

Treadmill circuit breaker, 15-amp (replaces 031103, 127202, 173322)

Part #109382

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Treadmill Transport Wheel 052012
#77

Unit parts diagram

Treadmill transport wheel

Part #052012

This item is not returnable
$2.16
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Exercise Equipment Hex Nut 012056
#78

Unit parts diagram

Exercise equipment hex nut

Part #012056

This item is not returnable
$2.16
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Black & Decker Treadmill Deck Rail Screw 127860

#NI

All parts diagram

Black & decker treadmill deck rail screw

Part #127860

This item is not returnable
$2.16
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Clamp,plstc, 016029
#79

Unit parts diagram

Clamp,plstc,

Part #016029

This item is not returnable
$2.16
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Exercise Equipment Flat Washer 014127
#40

Unit parts diagram

Exercise equipment flat washer

Part #014127

This item is not returnable
$2.16
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Weider Exercise Equipment Flat Washer 122812
#23

Unit parts diagram

Weider exercise equipment flat washer

Part #122812

This item is not returnable
$2.16
In Stock
Clip,tinerma 132401
#15

Unit parts diagram

Clip,tinerma

Part #132401

This item is not returnable
$2.16
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Symptoms for treadmills

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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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