Model # NTTL18906 Official NordicTrack apex 4100i treadmill

Here are the diagrams and repair parts for Official NordicTrack NTTL18906 apex 4100i 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 176 parts |

Black & Decker Treadmill Power Cord (replaces 031033, 031143, 031147, 247991) 031229

#53

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

Part #031229

$11.39 |

15% OFF Phone Price : $13.39

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#62

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Black & decker treadmill washer

Part #014063

This item is not returnable

$2.49 |

29% OFF Phone Price : $3.49

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Toyostove Exercise Equipment Rubber Pad 157600

#108

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Toyostove exercise equipment rubber pad

Part #157600

This item is not returnable

$2.16

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Black & Decker Exercise Equipment Screw 154848

#117

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Black & decker exercise equipment screw

Part #154848

This item is not returnable

$2.16

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#25

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Brng,608z,se

Part #018007

$7.99

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#38

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Custom screw

Part #175162

This item is not returnable

$2.16

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#103

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Screw,sbhs,n

Part #164329

This item is not returnable

$2.99

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#26

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Arm,idler,ra

Part #160408

$9.49

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#124

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Black & decker clamp,8cabl

Part #016057

This item is not returnable

$2.16

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#80

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Cnsl,etnt189

Part #191555

$577.99

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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…

Why is my treadmill's walking belt slipping?

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

Why is my treadmill's walking belt off center?

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

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…

Why is my treadmill's heart rate sensor not accurate?

Main causes: faulty sensors, wiring failure, bad control console…

Why does my treadmill have no display?

Main causes: bad control console, wiring failure, bad motor control board…

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…

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

Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the…

Repair difficulty

Time required

15 minutes or less

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'…

Repair difficulty

Time required

15 minutes or less

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…

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

Model # NTTL18906 Official NordicTrack apex 4100i treadmill

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Symptoms for treadmills

Why does my treadmill's walking belt slow down?

Why is my treadmill's walking belt slipping?

Why is my treadmill's walking belt off center?

Why won't my treadmill start even though the console display works?

Why is my treadmill's heart rate sensor not accurate?

Why does my treadmill have no display?

Why won't my treadmill power up?

Repair guides for treadmills

How to replace a treadmill motor controller

How to replace a treadmill drive motor

How to replace a treadmill walking board

Effective articles & videos to help repair your fitness & exercise

Top questions about Sears and Sears PartsDirect

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