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Treadmill

Model # 374296221 Official Lifestyler ergometer treadmill

Here are the diagrams and repair parts for Official Lifestyler 374296221 ergometer treadmill, 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 88 parts |

Side Rail Rh 38176616

#100

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Side rail rh

Part #38176616

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

Mtr Mount 38215710

#134

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Mtr mount

Part #38215710

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

Motor 37020500

#140

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Motor

Part #37020500

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

Side Rail 2h 38176916

#101

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Side rail 2h

Part #38176916

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

Roller Cover 31193016

#115

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Roller cover

Part #31193016

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

Var Pulley 39173200

#144

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Var pulley

Part #39173200

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

Battry Cover 09086000

#8

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Battry cover

Part #09086000

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

Adj Handle 39164500

#128

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Adj handle

Part #39164500

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

Rear Roller 39183000

#149

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Rear roller

Part #39183000

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

Battery, Aa STD363090

#11

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Battery, aa

Part #STD363090

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

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.

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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