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Lifestyler
Treadmill

Model # 374288651 Official Lifestyler prime fit air jogger dlx

Here are the diagrams and repair parts for Official Lifestyler 374288651 prime fit air jogger dlx, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 88 parts  |
1/2" Mastrlk 29339700
#40A

Wheel assembly diagram

1/2" mastrlk

Part #29339700

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

5/16" Locknt 25020200
#7

Unit parts diagram

5/16" locknt

Part #25020200

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

Lock Nut 25011100
Lock nut

Part #25011100

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

Washer 26000400
#8

Unit parts diagram

Washer

Part #26000400

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

Washer 26003200
#31

Unit parts diagram

Washer

Part #26003200

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

Washer 26000700
#36E

Wheel assembly diagram

Washer

Part #26000700

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

Ear Clip 37023700
#23

Unit parts diagram

Ear clip

Part #37023700

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

End Cap 29361900
#72

Wheel assembly diagram

End cap

Part #29361900

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

Bearing 29424800
#42

Wheel assembly diagram

Bearing

Part #29424800

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

R Conn Arm 31281316
#29A

Unit parts diagram

R conn arm

Part #31281316

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...

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Repair difficulty
Time required
30 minutes or less

Effective articles & videos to help repair your fitness & exercise

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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