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Lifestyler
Treadmill

Model # 374288450 Official Lifestyler prime fit concourse 10.55 gi treadmill

Here are the diagrams and repair parts for Official Lifestyler 374288450 prime fit concourse 10.55 gi treadmill, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 109 parts  |
Lock Nut 25014600
Lock nut

Part #25014600

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

Hex Screw 23021000
#55

Motor and walking belt assembly diagram

Hex screw

Part #23021000

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

Rr/lf Guard 09170200
#19

Motor and walking belt assembly diagram

Rr/lf guard

Part #09170200

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

Motor/mnt As 39379300
#35

Motor and walking belt assembly diagram

Motor/mnt as

Part #39379300

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

Hex Screw 23021100
#57

Motor and walking belt assembly diagram

Hex screw

Part #23021100

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

Machine Screw 20022100
Machine screw

Part #20022100

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

Silicone Gel 12022800

#NI

All parts diagram

Silicone gel

Part #12022800

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

Washer 26000400
#68

Motor and walking belt assembly diagram

Washer

Part #26000400

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

Label 62443300
#46R

Control panel assembly diagram

Label

Part #62443300

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

Bracket 31291710
#38

Motor and walking belt assembly diagram

Bracket

Part #31291710

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 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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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 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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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 walking belt

How to replace a treadmill walking belt

A worn walking belt will begin to slow down during use. If your treadmill walking belt is worn out, replace it using the…

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Repair difficulty
Time required
 45 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

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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