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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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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Model diagram and schematic

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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

Choke Assembly SM41404
#37

Motor assy diagram

Choke assembly

Part #SM41404

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

Pcb Asy,dsp SM40865
#NI

Motor assy diagram

Pcb asy,dsp

Part #SM40865

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

Kit,hsng,ergo W/decal SMQ26421
#90

Console assy diagram

Kit,hsng,ergo w/decal

Part #SMQ26421

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

Linear Actuator SM41289
#26

Motor assy diagram

Linear actuator

Part #SM41289

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

Cable Upper Asy SM27952
#NI

Motor assy diagram

Cable upper asy

Part #SM27952

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

Vsd Asy SM41646
#32

Motor assy diagram

Vsd asy

Part #SM41646

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

Screw 3/8-16x5 SM41532
#NI

Motor assy diagram

Screw 3/8-16x5

Part #SM41532

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

Washer SM27585
#64

Roller assy diagram

Washer

Part #SM27585

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

Cable Roc Keys Asy SM41193
#NI

Motor assy diagram

Cable roc keys asy

Part #SM41193

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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