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Elliptical Machine

Model # 831239370 Official Proform elliptical

Here are the diagrams and repair parts for Official Proform 831239370 elliptical, 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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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 113 parts  |
Lifestyler Elliptical Drive Belt 147746

#59

All parts diagram

Lifestyler elliptical drive belt

Part #147746

$22.89 | 
21% OFF Phone Price : $28.89
In Stock
Black & Decker Exercise Equipment Lubricating Grease 104838

#NI01

All parts diagram

Black & decker exercise equipment lubricating grease

Part #104838

This item is not returnable
$3.89 | 
20% OFF Phone Price : $4.89
In Stock
Exercise Equipment Screw 256821

#67

All parts diagram

Exercise equipment screw

Part #256821

This item is not returnable
$2.99
In Stock
Screw 265270

#14

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Screw

Part #265270

This item is not returnable
$2.16
In Stock
General Warning Decal 258868

#NI08

All parts diagram

General warning decal

Part #258868

This item is not returnable
$2.16
In Stock
Idler Bolt, M6 X 20 281150

#76

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Idler bolt, m6 x 20

Part #281150

This item is not returnable
$2.49
In Stock
Upper Body Grip 200329

#11

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Upper body grip

Part #200329

This item is not returnable
$5.99
In Stock
Elliptical Square Key 281559

#71

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Elliptical square key

Part #281559

This item is not returnable
$2.16
In Stock
Reed Switch And Wire 372087

#44

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Reed switch and wire

Part #372087

$22.99
In Stock
Pivot Spacer (2) 371082

#55

All parts diagram

Pivot spacer (2)

Part #371082

$8.99
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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