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Treadmill

Model # 831297980 Official Proform proform j8 treadmill

Here are the diagrams and repair parts for Official Proform 831297980 proform j8 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 136 parts  |
Black & Decker Treadmill Washer 014063

#44

All parts diagram

Black & decker treadmill washer

Part #014063

This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock
Black & Decker Treadmill Line Filter 185582

#47

All parts diagram

Black & decker treadmill line filter

Part #185582

$29.69 | 
17% OFF Phone Price : $35.69
In Stock
Magnet,rnd,m 100498

#107

All parts diagram

Magnet,rnd,m

Part #100498

Replaced by #113842

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Manufacturer substitution
This part replaces 100498. Substitute parts can look different from the original.
This item is not returnable
$2.16
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Treadmill Walking Belt 151915

#11

All parts diagram

Treadmill walking belt

Part #151915

$76.99 | 
7% OFF Phone Price : $82.99
In Stock
Nut,hex Nyl 012090

#4

All parts diagram

Nut,hex nyl

Part #012090

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

Treadmill Screw 149442

#104

All parts diagram

Treadmill screw

Part #149442

This item is not returnable
$2.16
In Stock
Treadmill Front Roller 149499

#12

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Treadmill front roller

Part #149499

$56.09 | 
10% OFF Phone Price : $62.09
In Stock
Exercise Equipment Screw 013576

#102A

All parts diagram

Exercise equipment screw

Part #013576

This item is not returnable
$2.16
In Stock
Screw 102959

#114

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Screw

Part #102959

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

#88

All parts diagram

Black & decker clamp,8cabl

Part #016057

This item is not returnable
$2.16
In Stock

Symptoms for treadmills

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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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