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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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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 118 parts  |
Treadmill Walking Board Cushion, Center (blue) 000768-D
#B58

Frame assy diagram

Treadmill walking board cushion, center (blue)

Part #000768-D

$13.60
In Stock
Treadmill Walking Board Cushion (orange) 000767-D
#B57

Frame assy diagram

Treadmill walking board cushion (orange)

Part #000767-D

$17.69 | 
10% OFF Phone Price : $19.69
In Stock
Treadmill Washer 005005-00
#L12

Frame assy diagram

Treadmill washer

Part #005005-00

This item is not returnable
$2.16
In Stock
Treadmill Console Cable 062625-A
#P05

Frame assy diagram

Treadmill console cable

Part #062625-A

$37.18
In Stock
Plate 079405
#NI

Frame assy diagram

Plate

Part #079405

$71.38
In Stock
Sticker 077115
#NI

Frame assy diagram

Sticker

Part #077115

This item is not returnable
$2.16
In Stock
Wire Connector 077734
#P06

Frame assy diagram

Wire connector

Part #077734

$19.67
In Stock
Sticker 077114
#NI

Frame assy diagram

Sticker

Part #077114

This item is not returnable
$2.16
In Stock
Owner's Manual 076847
#NI

Frame assy diagram

Owner's manual

Part #076847

This item is not returnable
$5.24
In Stock
Screw 004525-00
#R09

Frame assy diagram

Screw

Part #004525-00

This item is not returnable
$2.16
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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