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Horizon
Treadmill

Model # 830T Official Horizon treadmill

Here are the diagrams and repair parts for Official Horizon 830T 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 98 parts  |
Treadmill Walking Belt Lubricant (replaces 016591-z, Dc200-1000cs, Mb1102001a) 1000092805
#NI

Treadmill diagram

Treadmill walking belt lubricant (replaces 016591-z, dc200-1000cs, mb1102001a)

Part #1000092805

This item is not returnable
$16.01 | 
11% OFF Phone Price : $18.01
In Stock
Treadmill Nut 004926-00
Treadmill nut

Part #004926-00

This item is not returnable
$2.16
In Stock
Hex Wrench, 6-mm 005393-00
#NI

Treadmill diagram

Hex wrench, 6-mm

Part #005393-00

$8.50
In Stock
Treadmill Circuit Breaker (replaces Mc0702011) 003346-00
#P12

Treadmill diagram

Treadmill circuit breaker (replaces mc0702011)

Part #003346-00

$14.80
In Stock
Treadmill On/off Switch 040695-A
#P01

Treadmill diagram

Treadmill on/off switch

Part #040695-A

$26.59 | 
16% OFF Phone Price : $31.59
In Stock
Treadmill Washer 005005-00
Treadmill washer

Part #005005-00

This item is not returnable
$2.16
In Stock
Exercise Equipment Screw 059929-B
#H09

Treadmill diagram

Exercise equipment screw

Part #059929-B

This item is not returnable
$2.16
In Stock
Core 003386-A
#M22

Treadmill diagram

Core

Part #003386-A

$12.13
In Stock
Exercise Equipment Screw 004620-00
Exercise equipment screw

Part #004620-00

This item is not returnable
$2.16
In Stock
Endcap-rgh 056397-AB
#Q06

Treadmill diagram

Endcap-rgh

Part #056397-AB

This item is not returnable
$5.66
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…

Read more
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…

Read more
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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