Treadmill

Model # 29653 Official Lifestyler 3400 programmable treadmill

Here are the diagrams and repair parts for Official Lifestyler 29653 3400 programmable treadmill, as well as links to manuals and error code tables, if available.

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Browse Parts for
29653 Fitness & Exercise
Switch HH4514T
#24

Console and upright assembly diagram

Switch

Part #HH4514T

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

Arm Assembly 350094T
#7

Walking belt assembly diagram

Arm assembly

Part #350094T

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

Decla FF0280T

#NI

All parts diagram

Decla

Part #FF0280T

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

Elev Pot AA0002T
#76

Console and upright assembly diagram

Elev pot

Part #AA0002T

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

Ny Lock Nut HH1753T
#9

Walking belt assembly diagram

Ny lock nut

Part #HH1753T

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

Decal FF0276T

#NI

All parts diagram

Decal

Part #FF0276T

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

Tether KK6080T
#78

Console and upright assembly diagram

Tether

Part #KK6080T

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

Decal FF0294T

#NI

All parts diagram

Decal

Part #FF0294T

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

Hex Nut HH0765T
#39

Console and upright assembly diagram

Hex nut

Part #HH0765T

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

Hex Bolt HH1306T
#2

Console and upright assembly diagram

Hex bolt

Part #HH1306T

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

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

Main causes: faulty sensors, wiring failure, bad control console…

Main causes: bad control console, wiring failure, bad motor control board…

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

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.…