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AFG
Treadmill

Model # 5.3AT Official AFG treadmill

Here are the diagrams and repair parts for Official AFG 53AT 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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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 183 parts  |
Treadmill Nut 004926-00
Treadmill nut

Part #004926-00

This item is not returnable
$2.16
In Stock
Horizon Exercise Equipment Leveling Foot, Front 000522-D
#K50

Main asy diagram

Horizon exercise equipment leveling foot, front

Part #000522-D

$15.63
In Stock
Treadmill Safety Key Assembly 1000110297
#N43

Main asy diagram

Treadmill safety key assembly

Part #1000110297

This item is not returnable
$34.29 | 
15% OFF Phone Price : $40.29
In Stock
Circuit Breaker, 15-amp, 125-volt 003337-00
#P04

Main asy diagram

Circuit breaker, 15-amp, 125-volt

Part #003337-00

$19.15
In Stock
Horizon Treadmill Incline Motor 1000101465
#M02

Main asy diagram

Horizon treadmill incline motor

Part #1000101465

$182.89 | 
6% OFF Phone Price : $194.89
In Stock
Horizon Treadmill Power Cord 019370-A
#P09

Main asy diagram

Horizon treadmill power cord

Part #019370-A

$53.09 | 
10% OFF Was : $58.99
In Stock
Exercise Equipment Washer 005196-00
#H17

Main asy diagram

Exercise equipment washer

Part #005196-00

This item is not returnable
$2.26
In Stock
Belt 1000228054
#R03

Main asy diagram

Belt

Part #1000228054

$42.67
In Stock
Cntrl Brd 1000228009
#N69

Main asy diagram

Cntrl brd

Part #1000228009

$8.47
In Stock
Manual Assembly 1000343730
#NI

Main asy diagram

Manual assembly

Part #1000343730

$22.67
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…

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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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