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Weslo
Treadmill

Model # WLTL85052 Official Weslo cadence 850 treadmill

Here are the diagrams and repair parts for Official Weslo WLTL85052 cadence 850 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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ALL PARTS
Showing 10 of 88 parts  |
Treadmill Safety Key (replaces 125589, 153017) 119038
#9

Unit parts diagram

Treadmill safety key (replaces 125589, 153017)

Part #119038

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This item is not returnable
$3.14 | 
24% OFF Phone Price : $4.14
In Stock
Treadmill Circuit Breaker, 15-amp (replaces 031103, 127202, 173322) 109382
#31

Unit parts diagram

Treadmill circuit breaker, 15-amp (replaces 031103, 127202, 173322)

Part #109382

This item is not returnable
$9.39 | 
10% OFF Phone Price : $10.39
In Stock
Black & Decker Exercise Equipment Screw 105444
#66

Unit parts diagram

Black & decker exercise equipment screw

Part #105444

This item is not returnable
$2.16
In Stock
Choke,5.5mh 031238
#52

Unit parts diagram

Choke,5.5mh

Part #031238

Replaced by #130993

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Manufacturer substitution
This part replaces 031238. Substitute parts can look different from the original.
$34.19 | 
15% OFF Phone Price : $40.19
Back Order
Walking Belt Assembly 126430
#45

Unit parts diagram

Walking belt assembly

Part #126430

Replaced by #124882

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Manufacturer substitution
This part replaces 126430. Substitute parts can look different from the original.
$54.79 | 
10% OFF Phone Price : $60.79
In Stock
Exercise Equipment Hex Nut 012056
#25

Unit parts diagram

Exercise equipment hex nut

Part #012056

This item is not returnable
$2.16
In Stock
Weider Lift Leg Spacer 124963
#28

Unit parts diagram

Weider lift leg spacer

Part #124963

This item is not returnable
$2.16
In Stock
Decal,elect, 124803

#NI

All parts diagram

Decal,elect,

Part #124803

This item is not returnable
$2.16
In Stock
Safety Cover 125363
#42

Unit parts diagram

Safety cover

Part #125363

$21.99
In Stock
Proform Wire Harness 124615
#4

Unit parts diagram

Proform wire harness

Part #124615

$13.49
In Stock

Symptoms for treadmills

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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…

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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 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…

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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'…

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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…

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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

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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