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NordicTrack
Elliptical Machine

Model # NTST07900 Official NordicTrack mtn 750 elliptical machine

Here are the diagrams and repair parts for Official NordicTrack NTST07900 mtn 750 elliptical machine, 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 107 parts  |
Toyostove Exercise Equipment Magnet 113842
#97

Frame assembly diagram

Toyostove exercise equipment magnet

Part #113842

This item is not returnable
$2.16
Back Order
Nut,hex Nyl 121050
#27

Frame assembly diagram

Nut,hex nyl

Part #121050

Replaced by #148710

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Manufacturer substitution
This part replaces 121050. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Weider Rear Stabilizer End Cap 139418
#14

Frame assembly diagram

Weider rear stabilizer end cap

Part #139418

This item is not returnable
$2.99
In Stock
Black & Decker Exercise Equipment Screw 013438
#57

Frame assembly diagram

Black & decker exercise equipment screw

Part #013438

This item is not returnable
$2.16
In Stock
Image Exercise Equipment Flat Washer 014033
Image exercise equipment flat washer

Part #014033

This item is not returnable
$2.16
In Stock
Exercise Equipment Screw 132139
#65

Frame assembly diagram

Exercise equipment screw

Part #132139

This item is not returnable
$2.16
In Stock
Healthrider Drive Belt 172474
#48

Frame assembly diagram

Healthrider drive belt

Part #172474

$46.99
| 
11% OFF Phone Price : $52.99
In Stock
Screw 013074
#62

Frame assembly diagram

Screw

Part #013074

This item is not returnable
$2.16
In Stock
Screw,sbhs,b 178520
#87A

Frame assembly diagram

Screw,sbhs,b

Part #178520

This item is not returnable
$2.16
In Stock
Spcr,mtl,1.7 174114
#80

Frame assembly diagram

Spcr,mtl,1.7

Part #174114

This item is not returnable
$4.49
In Stock

Symptoms for elliptical machines

Choose a symptom to see related elliptical repairs.

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Why does my elliptical make squeaking noises?

Main cause: lack of lubrication on pivot points...

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Why does my elliptical display the wrong speed?

Main causes: faulty reed switch, reed switch needs adjustment, wiring failure, bad control console...

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Why can't my elliptical detect my heart rate?

Main causes: dirty heart rate sensors, wiring failure, bad control console...

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Why won't my elliptical's console turn on?

Main causes: dead batteries, power supply failure, bad wiring connections, faulty control console...

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How do I tighten elliptical handle bars?

Main causes: loose fastening bolts, damaged handle bars...

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Why is my elliptical's console display dim?

Main causes: weak batteries, loose wires, faulty control console...

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Why does my elliptical rock?

Main causes: leveling feet need to be adjusted, loose frame bolts, unstable flooring...

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Why won't my elliptical's pedal resistance change?

Main causes: bad resistance motor, faulty control console, wiring failure...

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Repair guides for elliptical machines

These step-by-step repair guides will help you safely fix what’s broken on your elliptical.

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How to replace an elliptical resistance motor

How to replace an elliptical resistance motor

If the resistance motor is not changing the resistance on your elliptical, replace it using these steps....

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Repair difficulty
Time required
15 minutes or less
How to adjust an elliptical reed switch

How to adjust an elliptical reed switch

If the console doesn't display the correct speed on your elliptical, adjust the reed switch using these steps....

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Repair difficulty
Time required
15 minutes or less
How to replace an elliptical console

How to replace an elliptical console

If the console on your elliptical doesn't work, replace it by following these 3 easy steps....

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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 elliptical.

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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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