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Nautilus
Treadmill

Model # T916 Official Nautilus treadmill

Here are the diagrams and repair parts for Official Nautilus T916 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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ALL PARTS
Showing 10 of 137 parts  |
Cover,mtr SM41108
#44

Covers assy diagram

Cover,mtr

Part #SM41108

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

Washer SM23729
#65

Roller assy diagram

Washer

Part #SM23729

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

P0wer Inlet Rear Asy SM41476
#1

Motor assy diagram

P0wer inlet rear asy

Part #SM41476

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

Kit,retro Handrail Asy SM41601
#NI

Motor assy diagram

Kit,retro handrail asy

Part #SM41601

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

Screw M3x6 SM27310
#68

Roller assy diagram

Screw m3x6

Part #SM27310

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

Cable Asy,process Side SM41442
#NI

Motor assy diagram

Cable asy,process side

Part #SM41442

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

Harness Grounding Asy SM41415
#36

Motor assy diagram

Harness grounding asy

Part #SM41415

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

Weldment,frame SM41326
#57

Wheel assy diagram

Weldment,frame

Part #SM41326

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

Spacer,nylon SM27586
#8

Motor assy diagram

Spacer,nylon

Part #SM27586

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

Ext,harness Mtr/ther SM17550
#NI

Motor assy diagram

Ext,harness mtr/ther

Part #SM17550

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

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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