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Treadmill

Model # IMTL19370 Official Image 12.3i treadmill

Here are the diagrams and repair parts for Official Image IMTL19370 12.3i treadmill, 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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Model diagram and schematic

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ALL PARTS
Showing 10 of 139 parts  |
Treadmill Safety Key (replaces 125589, 153017) 119038

#42

All parts diagram

Treadmill safety key (replaces 125589, 153017)

Part #119038

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This item is not returnable
$3.14 | 
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Treadmill Circuit Breaker, 15-amp (replaces 031103, 127202, 173322) 109382

#30

All 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
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Black & Decker Exercise Equipment Screw 105444

#65

All parts diagram

Black & decker exercise equipment screw

Part #105444

This item is not returnable
$2.16
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Black & Decker Treadmill Nut 119425

#38

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Black & decker treadmill nut

Part #119425

This item is not returnable
$2.16
In Stock
Wire,hrns,03 141066

#117

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Wire,hrns,03

Part #141066

This item is not returnable
$5.49
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Exercise Equipment Flat Washer 014127

#36

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Exercise equipment flat washer

Part #014127

This item is not returnable
$2.16
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Lifestyler Screw,hhcs,b 115260

#40

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Lifestyler screw,hhcs,b

Part #115260

This item is not returnable
$3.99
In Stock
Lifestyler Belt Guide 124318

#NI

All parts diagram

Lifestyler belt guide

Part #124318

This item is not returnable
$2.16
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Wire,jmpr,16 143112

#NI

All parts diagram

Wire,jmpr,16

Part #143112

This item is not returnable
$2.99
In Stock
Treadmill Wire Harness, 8-in 118201

#NI

All parts diagram

Treadmill wire harness, 8-in

Part #118201

This item is not returnable
$2.16
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Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

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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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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 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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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 walking belt

How to replace a treadmill walking belt

A worn walking belt will begin to slow down during use. If your treadmill walking belt is worn out, replace it using the…

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Repair difficulty
Time required
 45 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

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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