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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  |
Assy,hdlbr,p 39273210
#25

Unit parts diagram

Assy,hdlbr,p

Part #39273210

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

Frame 38325816
#35

Wheel assembly diagram

Frame

Part #38325816

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

Spacer 02056600
#73

Wheel assembly diagram

Spacer

Part #02056600

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

Nut Hex 25000300
#51

Wheel assembly diagram

Nut hex

Part #25000300

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

Screw 20016900
#64

Wheel assembly diagram

Screw

Part #20016900

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

Bolt 22006100
#43

Wheel assembly diagram

Bolt

Part #22006100

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

L Conn Arm A 39342300
#30

Unit parts diagram

L conn arm a

Part #39342300

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

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

Assy,cnsl Br 38316516
#19

Unit parts diagram

Assy,cnsl br

Part #38316516

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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