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Treadmill

Model # PFTL52580 Official Proform 525 ex treadmill

Here are the diagrams and repair parts for Official Proform PFTL52580 525 ex 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 103 parts  |
Treadmill Walking Belt (replaces 137956, 189253, 205081) 142851
#80

Pftl52580 diagram

Treadmill walking belt (replaces 137956, 189253, 205081)

Part #142851

BEST SELLER
$62.49 | 
9% OFF Phone Price : $68.49
In Stock
Endcap,crsmb 140547
#72

Pftl52580 diagram

Endcap,crsmb

Part #140547

Replaced by #155809

?
Manufacturer substitution
This part replaces 140547. Substitute parts can look different from the original.
$23.59 | 
20% OFF Phone Price : $29.59
In Stock
Treadmill Line Filter 130993
#48

Pftl52580 diagram

Treadmill line filter

Part #130993

$34.19 | 
15% OFF Phone Price : $40.19
In Stock
Black & Decker Treadmill Washer 014063
#16

Pftl52580 diagram

Black & decker treadmill washer

Part #014063

This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock
Magnet,rnd,m 100498
#87

Pftl52580 diagram

Magnet,rnd,m

Part #100498

Replaced by #113842

?
Manufacturer substitution
This part replaces 100498. Substitute parts can look different from the original.
This item is not returnable
$2.16
Back Order
Treadmill Front Roller 147990
#85

Pftl52580 diagram

Treadmill front roller

Part #147990

$49.99 | 
11% OFF Phone Price : $55.99
In Stock
Treadmill Latch 137944
#12

Pftl52580 diagram

Treadmill latch

Part #137944

This item is not returnable
$4.99
In Stock
Treadmill Incline Wheel 132314
#38

Pftl52580 diagram

Treadmill incline wheel

Part #132314

This item is not returnable
$2.16
In Stock
Guide,belt,l 109265
#50

Pftl52580 diagram

Guide,belt,l

Part #109265

Replaced by #198640

?
Manufacturer substitution
This part replaces 109265. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Lifestyler Exercise Equipment Screw 013607
#NI

Pftl52580 diagram

Lifestyler exercise equipment screw

Part #013607

This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock

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Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

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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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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…

Read more

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 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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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 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'…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill walking board

How to replace a treadmill walking board

A worn-out walking board creates friction with the walking belt and causes the belt to slow down during use. Replace the…

Read more
Repair difficulty
Time required
 30 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

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