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Proform
Treadmill

Model # 831299204 Official Proform t35 treadmill

Here are the diagrams and repair parts for Official Proform 831299204 t35 treadmill, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 86 parts  |
Treadmill Rear End Cap 155809
#84

Walking belt/console/motor diagram

Treadmill rear end cap

Part #155809

$23.59 | 
20% OFF Phone Price : $29.59
In Stock
Black & Decker Treadmill Line Filter 185582
#64

Walking belt/console/motor diagram

Black & decker treadmill line filter

Part #185582

$29.69 | 
17% OFF Phone Price : $35.69
In Stock
Black & Decker Treadmill Washer 014063
#39

Walking belt/console/motor diagram

Black & decker treadmill washer

Part #014063

This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock
Treadmill Front Roller 147990
#50

Walking belt/console/motor diagram

Treadmill front roller

Part #147990

$49.99 | 
11% OFF Phone Price : $55.99
In Stock
Treadmill Rear Roller 141089
#86

Walking belt/console/motor diagram

Treadmill rear roller

Part #141089

$43.39 | 
12% OFF Phone Price : $49.39
In Stock
Treadmill Incline Wheel 132314
#37

Walking belt/console/motor diagram

Treadmill incline wheel

Part #132314

This item is not returnable
$2.16
In Stock
Exercise Equipment Screw 013576
#3

Walking belt/console/motor diagram

Exercise equipment screw

Part #013576

This item is not returnable
$2.16
In Stock
Elliptical Washer 014132
#57

Walking belt/console/motor diagram

Elliptical washer

Part #014132

This item is not returnable
$2.16
In Stock
Exercise Equipment Screw 013484
#53

Walking belt/console/motor diagram

Exercise equipment screw

Part #013484

This item is not returnable
$2.16
In Stock
Lifestyler Roller Guard 128479
#59

Walking belt/console/motor diagram

Lifestyler roller guard

Part #128479

This item is not returnable
$2.16
In Stock

Symptoms for treadmills

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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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