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Horizon
Treadmill

Model # T81 Official Horizon treadmill

Here are the diagrams and repair parts for Official Horizon T81 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 112 parts  |
Treadmill Reed Switch 002248-D
#P14

Frame assy diagram

Treadmill reed switch

Part #002248-D

$8.16
In Stock
Treadmill Speed Sensor 060295-CA
#M15

Frame assy diagram

Treadmill speed sensor

Part #060295-CA

$26.79 | 
16% OFF Phone Price : $31.79
In Stock
Treadmill Power Cord 002169-A
#P07

Frame assy diagram

Treadmill power cord

Part #002169-A

$46.34 | 
10% OFF Was : $51.49
In Stock
End Cap 076073
#C10

Frame assy diagram

End cap

Part #076073

This item is not returnable
$2.16
In Stock
Label 079318
#V03

Console assy diagram

Label

Part #079318

This item is not returnable
$2.53
In Stock
Bolt 004714-AD
#Z14

Frame assy diagram

Bolt

Part #004714-AD

This item is not returnable
$2.16
In Stock
Conn.tube 079949
#AH3

Frame assy diagram

Conn.tube

Part #079949

$20.92
In Stock
Foam 076085
#G03

Console assy diagram

Foam

Part #076085

$11.61
In Stock
Extension 081590
#G01

Console assy diagram

Extension

Part #081590

$30.63
In Stock
Mtr.cover 000357-CD
#Q02

Frame assy diagram

Mtr.cover

Part #000357-CD

$30.63
In Stock

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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