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Treadmill

Model # 831248730 Official Proform treadmill

Here are the diagrams and repair parts for Official Proform 831248730 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 124 parts  |
Treadmill Safety Key Assembly (replaces 201576) 208603

#74

All parts diagram

Treadmill safety key assembly (replaces 201576)

Part #208603

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This item is not returnable
$4.69 | 
18% OFF Phone Price : $5.69
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Treadmill Walking Belt Lubricant, 3-pack (replaces 202557, 219897) 219170

#NI18

All parts diagram

Treadmill walking belt lubricant, 3-pack (replaces 202557, 219897)

Part #219170

$23.69 | 
20% OFF Phone Price : $29.69
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Treadmill Walking Belt Alignment Tool (replaces 161927) 128457

#NI11

All parts diagram

Treadmill walking belt alignment tool (replaces 161927)

Part #128457

This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
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Toyostove Elliptical Nut 148710

#47

All parts diagram

Toyostove elliptical nut

Part #148710

This item is not returnable
$2.16
In Stock
Upright Grommet 227199

#96

All parts diagram

Upright grommet

Part #227199

This item is not returnable
$2.16
In Stock
Proform Treadmill Walking Belt 392279

#58

All parts diagram

Proform treadmill walking belt

Part #392279

$119.99
In Stock
Exercise Equipment Screw 013576

#10

All parts diagram

Exercise equipment screw

Part #013576

This item is not returnable
$2.16
In Stock
Weider Exercise Equipment Screw 234285

#17

All parts diagram

Weider exercise equipment screw

Part #234285

This item is not returnable
$2.16
In Stock
Proform Frame,lift,m 392307

#77

All parts diagram

Proform frame,lift,m

Part #392307

$179.49
In Stock
Wshr,star,in 234325

#33

All parts diagram

Wshr,star,in

Part #234325

This item is not returnable
$2.16
In Stock

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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

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