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Treadmill

Model # 831297981 Official Proform proform j8 treadmill

Here are the diagrams and repair parts for Official Proform 831297981 proform j8 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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ALL PARTS
Showing 10 of 132 parts  |
Treadmill Safety Key (replaces 125589, 153017) 119038

#71

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Treadmill safety key (replaces 125589, 153017)

Part #119038

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This item is not returnable
$3.14 | 
24% OFF Phone Price : $4.14
In Stock
Treadmill Circuit Breaker, 15-amp (replaces 031103, 127202, 173322) 109382

#56

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

Part #109382

This item is not returnable
$9.39 | 
10% OFF Phone Price : $10.39
In Stock
Treadmill Walking Belt 151915

#11

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Treadmill walking belt

Part #151915

$76.99 | 
7% OFF Phone Price : $82.99
In Stock
Black & Decker Exercise Equipment Nut 012149

#33

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Black & decker exercise equipment nut

Part #012149

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

#6

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Exercise equipment rubber pad

Part #126650

This item is not returnable
$2.16
In Stock
Weider Treadmill Pan Fastener 138853

#63

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Weider treadmill pan fastener

Part #138853

This item is not returnable
$2.16
In Stock
Black & Decker Treadmill Nut 119425

#21

All parts diagram

Black & decker treadmill nut

Part #119425

This item is not returnable
$2.16
In Stock
Controller 137855

#49

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Controller

Part #137855

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

Cap,weight,b 149139

#103

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Cap,weight,b

Part #149139

This item is not returnable
$2.16
In Stock
Weider Exercise Equipment Screw 013275

#46

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Weider exercise equipment screw

Part #013275

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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