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Elliptical Machine

Model # 831285420 Official Proform elliptical machine

Here are the diagrams and repair parts for Official Proform 831285420 elliptical machine, 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 79 parts  |
Elliptical Handlebar Bushing 138574
#49

Console/frame/sideshield diagram

Elliptical handlebar bushing

Part #138574

Replaced by #256295

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Manufacturer substitution
This part replaces 138574. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Toyostove Exercise Equipment Magnet 113842
#58

Console/frame/sideshield diagram

Toyostove exercise equipment magnet

Part #113842

This item is not returnable
$2.16
Back Order
Toyostove Elliptical Nut 148710
#33

Console/frame/sideshield diagram

Toyostove elliptical nut

Part #148710

This item is not returnable
$2.16
In Stock
Reebok Elliptical Crank Bearing (replaces 248395) 139703
#31

Console/frame/sideshield diagram

Reebok elliptical crank bearing (replaces 248395)

Part #139703

This item is not returnable
$13.99 | 
13% OFF Phone Price : $15.99
In Stock
Elliptical Washer 204489
#72

Console/frame/sideshield diagram

Elliptical washer

Part #204489

This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock
Weslo Elliptical Spring Washer 213148
#69

Console/frame/sideshield diagram

Weslo elliptical spring washer

Part #213148

This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock
Elliptical Flex Bushing 175592
#60

Console/frame/sideshield diagram

Elliptical flex bushing

Part #175592

This item is not returnable
$13.99
In Stock
Rear End Cap 174916
#20

Console/frame/sideshield diagram

Rear end cap

Part #174916

This item is not returnable
$4.99
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
Exerciser Reed Switch And Wire 170205
#53

Console/frame/sideshield diagram

Exerciser reed switch and wire

Part #170205

This item is not returnable
$8.99
In Stock

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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