Model # 61429501 Official Lifestyler treadmill

Here are the diagrams and repair parts for Official Lifestyler 61429501 treadmill, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

Click a diagram to see the parts shown on that diagram.
In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

ALL PARTS

Showing 10 of 57 parts |

Unit parts diagram

Washer

Part #B335-05B

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

#17

Unit parts diagram

Screw

Part #B335-10A

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

#24

Unit parts diagram

Bushing

Part #B335-24F

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

Unit parts diagram

Acorn nut

Part #B335-05D

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

Unit parts diagram

Frt leg

Part #B335-01

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

#16

Unit parts diagram

Tensn knob

Part #B335-11

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

#47

Unit parts diagram

Bracket

Part #B335-47

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

#44

Unit parts diagram

Washer

Part #B335-44

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

#55

Unit parts diagram

Bushing

Part #B335-24R

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

#33

Unit parts diagram

Right rail

Part #B335-33R

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

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

View all

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.

View all

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

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

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.

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Top questions about Sears and Sears PartsDirect

Model # 61429501 Official Lifestyler treadmill

Here are the diagrams and repair parts for Official Lifestyler 61429501 treadmill, as well as links to manuals and error code tables, if available.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

ALL PARTS

Showing 10 of 57 parts |

Unit parts diagram

Washer

Part #B335-05B

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

#17

Unit parts diagram

Screw

Part #B335-10A

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

#24

Unit parts diagram

Bushing

Part #B335-24F

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

Unit parts diagram

Acorn nut

Part #B335-05D

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

Unit parts diagram

Frt leg

Part #B335-01

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

#16

Unit parts diagram

Tensn knob

Part #B335-11

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

#47

Unit parts diagram

Bracket

Part #B335-47

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

#44

Unit parts diagram

Washer

Part #B335-44

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

#55

Unit parts diagram

Bushing

Part #B335-24R

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

#33

Unit parts diagram

Right rail

Part #B335-33R

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

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

View all

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…