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Horizon
Treadmill

Model # T84 Official Horizon treadmill

Here are the diagrams and repair parts for Official Horizon T84 treadmill, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

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

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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 118 parts  |
Exercise Equipment Washer 005196-00
#H27

Frame assy diagram

Exercise equipment washer

Part #005196-00

This item is not returnable
$2.26
In Stock
Fix Plate 001251-F
#L10

Belt assy diagram

Fix plate

Part #001251-F

$33.26
In Stock
Roller Set 014669-B
#AR1

Belt assy diagram

Roller set

Part #014669-B

$136.06
In Stock
Horizon Receiver 024271-A
#NI

Frame assy diagram

Horizon receiver

Part #024271-A

$30.03
In Stock
Horizon Console Cover 076621
#N01

Console assy diagram

Horizon console cover

Part #076621

$37.99
In Stock
End Cap 070422
#C10

Frame assy diagram

End cap

Part #070422

This item is not returnable
$3.56
In Stock
Horizon Cover 076626
#N04

Console assy diagram

Horizon cover

Part #076626

This item is not returnable
$5.24
In Stock
Horizon Btl.holder 076635
#N14

Console assy diagram

Horizon btl.holder

Part #076635

This item is not returnable
$6.62
In Stock
Washer 005146-A
#M18

Frame assy diagram

Washer

Part #005146-A

This item is not returnable
$2.16
In Stock
Link Arm 079408
#AH4

Frame assy diagram

Link arm

Part #079408

$23.68
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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