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Sears
Cycling

Model # 502471380 Official Sears 27" lightweight bicycle

Here are the diagrams and repair parts for Official Sears 502471380 27" 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 80 parts  |
Rr Deraill 37776
Rr deraill

Part #37776

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

Kickstand 39229
#14

Unit parts diagram

Kickstand

Part #39229

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

Mechanism 301319
#2

Rear derailleur diagram

Mechanism

Part #301319

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

Cable Casing 308525
#34

Unit parts diagram

Cable casing

Part #308525

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

Brake Shoe 308697
#2

Side pull caliper brake diagram

Brake shoe

Part #308697

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

F Axle Set 303518
#12

Unit parts diagram

F axle set

Part #303518

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

Nut 36492
#27

Unit parts diagram

Nut

Part #36492

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

Owner's Manual F-7044

#NI

All parts diagram

Owner's manual

Part #F-7044

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

Lever Rh 304297

#NI

All parts diagram

Lever rh

Part #304297

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

Adj Screw 301314
#4

Front derailleur diagram

Adj screw

Part #301314

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

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…

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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…

Read more
Repair difficulty
Time required
 30 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

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

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

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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