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Sears
Cycling

Model # 502472671 Official Sears 26" lightweight bicycle

Here are the diagrams and repair parts for Official Sears 502472671 26" lightweight bicycle, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

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 110 parts  |
F Axle Set 303518

#NI

All parts diagram

F axle set

Part #303518

The manufacturer no longer makes this part, and there's no substitute part

Sprocket 300424
#33C

Shimano three speed hub diagram

Sprocket

Part #300424

The manufacturer no longer makes this part, and there's no substitute part

Spk 11-9/32 303157
#10

Unit parts diagram

Spk 11-9/32

Part #303157

The manufacturer no longer makes this part, and there's no substitute part

Tire Tube 75X487PA
Tire tube

Part #75X487PA

The manufacturer no longer makes this part, and there's no substitute part

Brake Shoe 308697
#2

Excel caliper brake diagram

Brake shoe

Part #308697

The manufacturer no longer makes this part, and there's no substitute part

Cable (white) 308705

#NI

All parts diagram

Cable (white)

Part #308705

The manufacturer no longer makes this part, and there's no substitute part

Driver 300389
#31

Shimano three speed hub diagram

Driver

Part #300389

The manufacturer no longer makes this part, and there's no substitute part

Chain Guard 27049C
#13

Unit parts diagram

Chain guard

Part #27049C

The manufacturer no longer makes this part, and there's no substitute part

Sprocket 300427
#33F

Shimano three speed hub diagram

Sprocket

Part #300427

The manufacturer no longer makes this part, and there's no substitute part

Bearing Set 303384

#NI

All parts diagram

Bearing set

Part #303384

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for treadmills

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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

Articles and videos for treadmills

Use the advice and tips in these articles and videos to get the most out of your treadmill.

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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Top questions about Sears and Sears PartsDirect

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

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How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working…

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