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Toys & Games

Model # 51271201-79 Official Sears gym set

Here are the diagrams and repair parts for Official Sears 51271201-79 gym set, 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 37 parts  |
Nylon Bearing 3/8" 417-100

#NI

All parts diagram

Nylon bearing 3/8"

Part #417-100

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

Plastic Cap 1/4" 411-820
#14

Handles diagram

Plastic cap 1/4"

Part #411-820

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

Lk Washer 419-413
Lk washer

Part #419-413

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

Bearing 417-116
#13

Handles diagram

Bearing

Part #417-116

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

Seat 90980
#13

Top and bottom seat support diagram

Seat

Part #90980

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

Rd Hd Bolt 416-2716
#6

Top and bottom seat support diagram

Rd hd bolt

Part #416-2716

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

Conn Collar 85901
#22

Handles diagram

Conn collar

Part #85901

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

Bolt 416-5772
#18

Handles diagram

Bolt

Part #416-5772

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

Shaft Hsg 90001
#36

Shaft housing assembly diagram

Shaft hsg

Part #90001

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

Flat Washer 3722
#21

Handles diagram

Flat washer

Part #3722

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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