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Treadmill

Model # TL4.0-1 Official Proform cadence 4.0 treadmill

Here are the diagrams and repair parts for Official Proform TL40-1 cadence 4.0 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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Showing 10 of 70 parts  |
Treadmill Circuit Breaker, 15-amp (replaces 031103, 127202, 173322) 109382
#49A

Unit parts diagram

Treadmill circuit breaker, 15-amp (replaces 031103, 127202, 173322)

Part #109382

This item is not returnable
$9.39 | 
10% OFF Phone Price : $10.39
In Stock
Mag,rnd,for 033066
#35

Unit parts diagram

Mag,rnd,for

Part #033066

Replaced by #113842

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Manufacturer substitution
This part replaces 033066. Substitute parts can look different from the original.
This item is not returnable
$2.16
Back Order
Nut,hex Nyl 012090
#34

Unit parts diagram

Nut,hex nyl

Part #012090

The manufacturer no longer makes this part, and there's no substitute part

Weider Clamp,wire M 016055
#28

Unit parts diagram

Weider clamp,wire m

Part #016055

This item is not returnable
$2.16
In Stock
Black & Decker Treadmill Power Cord (replaces 031033, 031143, 031147, 247991) 031229
#15

Unit parts diagram

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

Part #031229

$11.39 | 
15% OFF Phone Price : $13.39
In Stock
Exercise Equipment Screw 013162
#12

Unit parts diagram

Exercise equipment screw

Part #013162

This item is not returnable
$2.16
In Stock
Exercise Equipment Flat Washer 014156
#5

Unit parts diagram

Exercise equipment flat washer

Part #014156

This item is not returnable
$2.16
In Stock
Weider Exercise Equipment Screw 013275
#13

Unit parts diagram

Weider exercise equipment screw

Part #013275

This item is not returnable
$2.16
In Stock
Elliptical Washer 014132
#11

Unit parts diagram

Elliptical washer

Part #014132

This item is not returnable
$2.16
In Stock
Weider Exercise Equipment Screw 013206
#24

Unit parts diagram

Weider exercise equipment screw

Part #013206

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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