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Sears
Cycling

Model # 502474911 Official Sears 27" lightweight bicycle

Here are the diagrams and repair parts for Official Sears 502474911 27" lightweight bicycle, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 89 parts  |
Brake Shoe 308697
#2

Caliper brake diagram

Brake shoe

Part #308697

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

Skylark 302806
Skylark

Part #302806

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

Axle Mx 303520
#11

Unit parts diagram

Axle mx

Part #303520

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

Wedge 302107
#5

Unit parts diagram

Wedge

Part #302107

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

Sprkt Cluste 27652
#19

Unit parts diagram

Sprkt cluste

Part #27652

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

Inner Wheel 300086
#15

Shimano rear derailleur/skylark diagram

Inner wheel

Part #300086

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

Adapter 300938
#9

Shimano rear derailleur/skylark diagram

Adapter

Part #300938

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

Ring 300505
#2

Shimano rear derailleur/skylark diagram

Ring

Part #300505

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

Spacer 300929
#3

Shimano rear derailleur/skylark diagram

Spacer

Part #300929

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

Pedal 32439
#15

Unit parts diagram

Pedal

Part #32439

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…

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

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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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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How to maintain a treadmill

How to maintain a treadmill

Keep your treadmill in shape by following these tips.…

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