Nautilus
Treadmill

Model # T914 Official Nautilus treadmill

Here are the diagrams and repair parts for Official Nautilus T914 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 136 parts  |

Cover,mtr SM41108
#40

Covers assy diagram

Cover,mtr

Part #SM41108

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

Kit,hsng Ergo W/decal SM26421
#86

Console assy diagram

Kit,hsng ergo w/decal

Part #SM26421

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

Neoprene Washer SM27562
#10

Motor assy diagram

Neoprene washer

Part #SM27562

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

Screw M3x6 SM27310
#70

Belt assy diagram

Screw m3x6

Part #SM27310

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

Washer 1/4 Id SM22047
#98

Motor assy diagram

Washer 1/4 id

Part #SM22047

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

Overlay,keypad SM41264
#85

Console assy diagram

Overlay,keypad

Part #SM41264

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

Choke Assembly SM41404
#37

Motor assy diagram

Choke assembly

Part #SM41404

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

Washer SM22070
Washer

Part #SM22070

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

Screw 0.375-16x2.5 SM22016
#62

Roller assy diagram

Screw 0.375-16x2.5

Part #SM22016

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

Washer M8.flat SM27564
#NI

Motor assy diagram

Washer m8.flat

Part #SM27564

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

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

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

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

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

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

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

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

Repair guides for treadmills

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

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…

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…

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'…

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.

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.…