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NordicTrack
Treadmill

Model # NTHK99901 Official NordicTrack adventure treadmill

Here are the diagrams and repair parts for Official NordicTrack NTHK99901 adventure 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 150 parts  |
Black & Decker Treadmill Washer 014063
#70

Frame diagram

Black & decker treadmill washer

Part #014063

This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock
Black & Decker Exercise Equipment Reed Switch 157504
#87

Frame diagram

Black & decker exercise equipment reed switch

Part #157504

This item is not returnable
$10.99
In Stock
Handrail End Cap 131221
#86

Frame diagram

Handrail end cap

Part #131221

This item is not returnable
$2.16
In Stock
Black & Decker Exercise Equipment Screw 013438
#33

Frame diagram

Black & decker exercise equipment screw

Part #013438

This item is not returnable
$2.16
In Stock
Lifestyler Exercise Equipment Screw 013607
#118

Frame diagram

Lifestyler exercise equipment screw

Part #013607

This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
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Compact Disc 225210

#NI

All parts diagram

Compact disc

Part #225210

$75.99
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Nylon Washer 130285
#112

Frame diagram

Nylon washer

Part #130285

This item is not returnable
$2.16
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Reebok Lawn Tractor Mulch Opening Decal 148803
#34

Frame diagram

Reebok lawn tractor mulch opening decal

Part #148803

This item is not returnable
$2.99
In Stock
Reebok Jack, 3.5-mm 158332
#56

Frame diagram

Reebok jack, 3.5-mm

Part #158332

This item is not returnable
$6.99
In Stock
Black & Decker Treadmill Power Cord (replaces 031033, 031143, 031147, 247991) 031229
#37

Frame diagram

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

Part #031229

$11.39 | 
15% OFF Phone Price : $13.39
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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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