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Weslo
Treadmill

Model # 831295220 Official Weslo cadence 78e treadmill

Here are the diagrams and repair parts for Official Weslo 831295220 cadence 78e 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 101 parts  |
Lube,icon,wl 134591

#NI22

All parts diagram

Lube,icon,wl

Part #134591

Replaced by #219168

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Manufacturer substitution
This part replaces 134591. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$3.99
In Stock
Treadmill Safety Key (replaces 125589, 153017) 119038
Treadmill safety key (replaces 125589, 153017)

Part #119038

BEST SELLER
This item is not returnable
$3.14 | 
24% OFF Phone Price : $4.14
In Stock
Kit,wlk-blt, 202557

#NI21

All parts diagram

Kit,wlk-blt,

Part #202557

Replaced by #219170

?
Manufacturer substitution
This part replaces 202557. Substitute parts can look different from the original.
$23.69 | 
20% OFF Phone Price : $29.69
In Stock
Black & Decker Exercise Equipment Screw 105444
#86

Treadmill assembly diagram

Black & decker exercise equipment screw

Part #105444

This item is not returnable
$2.16
In Stock
Black & Decker Treadmill Washer 014063
#38

Treadmill assembly diagram

Black & decker treadmill washer

Part #014063

This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock
Toyostove Treadmill Circuit Breaker 186726
#36

Treadmill assembly diagram

Toyostove treadmill circuit breaker

Part #186726

This item is not returnable
$8.99
In Stock
Toyostove Exercise Equipment Rubber Pad 157600
Toyostove exercise equipment rubber pad

Part #157600

This item is not returnable
$2.16
In Stock
Exercise Equipment Rubber Pad 126650
#53

Treadmill assembly diagram

Exercise equipment rubber pad

Part #126650

This item is not returnable
$2.16
In Stock
Reed Switch 203664
#76

Treadmill assembly diagram

Reed switch

Part #203664

This item is not returnable
$9.99
In Stock
Weider Belt Guide 198640
#14

Treadmill assembly diagram

Weider belt guide

Part #198640

This item is not returnable
$2.16
In Stock

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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