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Treadmill

Model # 831294240 Official Proform crosstrainer 505 treadmill

Here are the diagrams and repair parts for Official Proform 831294240 crosstrainer 505 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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ALL PARTS
Showing 10 of 109 parts  |
Black & Decker Treadmill Power Cord (replaces 031033, 031143, 031147, 247991) 031229
#79

Crosstrainer diagram

Black & decker treadmill power cord (replaces 031033, 031143, 031147, 247991)

Part #031229

$11.39 | 
15% OFF Phone Price : $13.39
In Stock
Black & Decker Exercise Equipment Screw 105444
#92

Crosstrainer diagram

Black & decker exercise equipment screw

Part #105444

This item is not returnable
$2.16
In Stock
Black & Decker Treadmill Washer 014063
Black & decker treadmill washer

Part #014063

This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock
Black & Decker Power Cord Grommet 173169
#80

Crosstrainer diagram

Black & decker power cord grommet

Part #173169

This item is not returnable
$2.16
In Stock
Black & Decker Exercise Equipment Nut 012149
Black & decker exercise equipment nut

Part #012149

This item is not returnable
$2.16
Back Order
Black & Decker Treadmill Nut 133333
#22

Crosstrainer diagram

Black & decker treadmill nut

Part #133333

This item is not returnable
$2.16
In Stock
Black & Decker Treadmill Deck Rail Screw 127860

#NI03

All parts diagram

Black & decker treadmill deck rail screw

Part #127860

This item is not returnable
$2.16
In Stock
Warning Decal 190138
#88

Crosstrainer diagram

Warning decal

Part #190138

$7.99
In Stock
Weslo Hardware Bag 204445

#NI29

All parts diagram

Weslo hardware bag

Part #204445

$14.49
In Stock
Black & Decker Exercise Equipment Hex Nut 120867
#28

Crosstrainer diagram

Black & decker exercise equipment hex nut

Part #120867

This item is not returnable
$2.16
In Stock

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

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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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