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Lifestyler
Treadmill

Model # 831297541 Official Lifestyler lifestyler elite 780 treadmill

Here are the diagrams and repair parts for Official Lifestyler 831297541 lifestyler elite 780 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 148 parts  |
Exercise Equipment Hex Nut 012056
#37

Unit parts diagram

Exercise equipment hex nut

Part #012056

This item is not returnable
$2.16
In Stock
Black & Decker Exercise Equipment Nut 012149
#42

Unit parts diagram

Black & decker exercise equipment nut

Part #012149

This item is not returnable
$2.16
In Stock
Walking Belt Assembly 122945
#54

Unit parts diagram

Walking belt assembly

Part #122945

Replaced by #130473

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Manufacturer substitution
This part replaces 122945. Substitute parts can look different from the original.
$108.59 | 
10% OFF Phone Price : $120.59
In Stock
Weider Exercise Equipment Screw 112609
#22

Unit parts diagram

Weider exercise equipment screw

Part #112609

This item is not returnable
$2.16
In Stock
Black & Decker Clamp,8cabl 016057
#77

Unit parts diagram

Black & decker clamp,8cabl

Part #016057

This item is not returnable
$2.16
In Stock
Lifestyler Om,297541 122133

#NI

All parts diagram

Lifestyler om,297541

Part #122133

This item is not returnable
$2.99
In Stock
Stnrlf,7/16" 115872

#NI

All parts diagram

Stnrlf,7/16"

Part #115872

This item is not returnable
$2.16
In Stock
Exercise Equipment Screw 108080
#32

Unit parts diagram

Exercise equipment screw

Part #108080

This item is not returnable
$2.16
In Stock
Screw 102959
#62

Unit parts diagram

Screw

Part #102959

This item is not returnable
$2.16
In Stock
Weider Exercise Equipment Hex Nut 105477
#99

Unit parts diagram

Weider exercise equipment hex nut

Part #105477

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…

Read more
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'…

Read more
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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