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Lifestyler
Treadmill

Model # 831296550SR Official Lifestyler lifestyler 550 variable-speed treadmill

Here are the diagrams and repair parts for Official Lifestyler 831296550SR lifestyler 550 variable-speed treadmill, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 97 parts  |
Black & Decker Treadmill Line Filter 185582
#63

Unit parts diagram

Black & decker treadmill line filter

Part #185582

$29.69 | 
17% OFF Phone Price : $35.69
In Stock
Mag,rnd,for 033066
#46

Unit parts diagram

Mag,rnd,for

Part #033066

Replaced by #113842

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Manufacturer substitution
This part replaces 033066. Substitute parts can look different from the original.
This item is not returnable
$2.16
Back Order
Nut,hex Nyl 012082
#43

Unit parts diagram

Nut,hex nyl

Part #012082

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

Exercise Equipment Nut 012179
#39

Unit parts diagram

Exercise equipment nut

Part #012179

This item is not returnable
$2.16
In Stock
Image Treadmill Safety Key Assembly 070853
#2

Unit parts diagram

Image treadmill safety key assembly

Part #070853

This item is not returnable
$5.09 | 
16% OFF Phone Price : $6.09
In Stock
Image Slotted Screw 013522
#1

Optional handrail assembly diagram

Image slotted screw

Part #013522

This item is not returnable
$2.16
In Stock
Elliptical Washer 014132
#23

Unit parts diagram

Elliptical washer

Part #014132

This item is not returnable
$2.16
In Stock
Exercise Equipment Bolt 013547
#11

Unit parts diagram

Exercise equipment bolt

Part #013547

This item is not returnable
$2.16
In Stock
Exercise Equipment Flat Washer 014041
#44

Unit parts diagram

Exercise equipment flat washer

Part #014041

This item is not returnable
$2.16
In Stock
Weider Exercise Equipment Screw 013206
#54

Unit parts diagram

Weider exercise equipment screw

Part #013206

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 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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