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Elliptical Machine

Model # 831239351 Official Proform elliptical

Here are the diagrams and repair parts for Official Proform 831239351 elliptical, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 92 parts  |
Black & Decker Exercise Equipment Lubricating Grease 104838

#NI02

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Black & decker exercise equipment lubricating grease

Part #104838

This item is not returnable
$3.89 | 
20% OFF Phone Price : $4.89
In Stock
Weslo Exercise Equipment Optional Power Supply 248512

#NI07

All parts diagram

Weslo exercise equipment optional power supply

Part #248512

$39.39 | 
13% OFF Phone Price : $45.39
In Stock
Elliptical Nut 012042

#60

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Elliptical nut

Part #012042

This item is not returnable
$2.16
Back Order
Exercise Cycle Stabilizer End Cap 352751

#43

All parts diagram

Exercise cycle stabilizer end cap

Part #352751

$20.99 | 
22% OFF Phone Price : $26.99
Back Order
Exercise Equipment Screw 214679

#61A

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Exercise equipment screw

Part #214679

This item is not returnable
$2.16
In Stock
Reed Switch And Wire 186070

#33

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Reed switch and wire

Part #186070

This item is not returnable
$11.99
In Stock
Idler 363093

#24

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Idler

Part #363093

$28.49
In Stock
Cvr,cup Hold 352882

#50

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Cvr,cup hold

Part #352882

$78.99
In Stock
Elliptical Screw 169661

#79

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Elliptical screw

Part #169661

This item is not returnable
$2.16
In Stock
Pulse Sensor 352741

#22

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Pulse sensor

Part #352741

$24.99
In Stock

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Symptoms for elliptical machines

Choose a symptom to see related elliptical repairs.

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Why does my elliptical rock?

Main causes: leveling feet need to be adjusted, loose frame bolts, unstable flooring…

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Why won't my elliptical's console turn on?

Main causes: dead batteries, power supply failure, bad wiring connections, faulty control console…

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How do I tighten elliptical handle bars?

Main causes: loose fastening bolts, damaged handle bars…

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Why is my elliptical's console display dim?

Main causes: weak batteries, loose wires, faulty control console…

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Why won't my elliptical's pedal resistance change?

Main causes: bad resistance motor, faulty control console, wiring failure…

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Why does my elliptical display the wrong speed?

Main causes: faulty reed switch, reed switch needs adjustment, wiring failure, bad control console…

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Why does my elliptical make squeaking noises?

Main cause: lack of lubrication on pivot points…

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Why can't my elliptical detect my heart rate?

Main causes: dirty heart rate sensors, wiring failure, bad control console…

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Repair guides for elliptical machines

These step-by-step repair guides will help you safely fix what’s broken on your elliptical.

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How to replace an elliptical resistance motor

How to replace an elliptical resistance motor

If the resistance motor is not changing the resistance on your elliptical, replace it using these steps.…

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Repair difficulty
Time required
 15 minutes or less
How to adjust an elliptical reed switch

How to adjust an elliptical reed switch

If the console doesn't display the correct speed on your elliptical, adjust the reed switch using these steps.…

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Repair difficulty
Time required
 15 minutes or less
How to replace an elliptical console

How to replace an elliptical console

If the console on your elliptical doesn't work, replace it by following these 3 easy steps.…

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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 elliptical.

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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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