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Cycling

Model # 502478250 Official Sears spyder bicycle

Here are the diagrams and repair parts for Official Sears 502478250 spyder bicycle, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

SEARCH WITHIN THIS MODEL

ALL PARTS

Showing 10 of 32 parts |

Lock Washer 18X15

Unit parts diagram

Lock washer

Part #18X15

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

Bolt Nut 15X32

Unit parts diagram

Bolt nut

Part #15X32

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

Pedal Bolt 62713

Unit parts diagram

Pedal bolt

Part #62713

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

Saddle 64638

Unit parts diagram

Saddle

Part #64638

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

Chain & Link 12831

Unit parts diagram

Chain & link

Part #12831

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

Hex Nut 15X1

Unit parts diagram

Hex nut

Part #15X1

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

Washer 17X17

Unit parts diagram

Washer

Part #17X17

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

Screw 26X14

Unit parts diagram

Screw

Part #26X14

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

Hex Nut 15X70

Unit parts diagram

Hex nut

Part #15X70

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

F Wheel Assy 206150

Unit parts diagram

F wheel assy

Part #206150

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

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

Why does my treadmill's walking belt slow down?

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

Why is my treadmill's walking belt slipping?

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

Why is my treadmill's walking belt off center?

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

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…

Why is my treadmill's heart rate sensor not accurate?

Main causes: faulty sensors, wiring failure, bad control console…

Why does my treadmill have no display?

Main causes: bad control console, wiring failure, bad motor control board…

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…

Repair guides for treadmills

These step-by-step repair guides will help you safely fix what’s broken on your treadmill.

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…

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'…

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…

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.

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.…

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.…

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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