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Treadmill

Model # 374296220 Official Lifestyler ergometer treadmill

Here are the diagrams and repair parts for Official Lifestyler 374296220 ergometer treadmill, 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 84 parts |

5/16 Locknut 25009800

Motor and walking belt assembly diagram

5/16 locknut

Part #25009800

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

Bolt 22009900

Motor and walking belt assembly diagram

Bolt

Part #22009900

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

Motor 39176700

Motor and walking belt assembly diagram

Motor

Part #39176700

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

Adj Washer 26010300

Motor and walking belt assembly diagram

Adj washer

Part #26010300

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

Brace Tube 30305616

Motor and walking belt assembly diagram

Brace tube

Part #30305616

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

Tread Board 39164600

Motor and walking belt assembly diagram

Tread board

Part #39164600

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

Support Plate 31169216

Motor and walking belt assembly diagram

Support plate

Part #31169216

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

End Brace 31169116

Motor and walking belt assembly diagram

End brace

Part #31169116

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

Hand Rail 39173300

Unit parts diagram

Hand rail

Part #39173300

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

Spd Adj Asm 39165000

Motor and walking belt assembly diagram

Spd adj asm

Part #39165000

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 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…

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 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…

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 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…

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'…

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.

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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