Lifestyler
Treadmill

Model # 37429079 Official Lifestyler alpine trails

Here are the diagrams and repair parts for Official Lifestyler 37429079 alpine trails, 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

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 95 parts  |

Nylon Belt KK-3072-T
#40

Frame assembly diagram

Nylon belt

Part #KK-3072-T

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

Adj Barrel PP-4008-T
#35

Frame assembly diagram

Adj barrel

Part #PP-4008-T

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

Skier Mast (1) 36-0169-T
#11

Pole and console assembly diagram

Skier mast (1)

Part #36-0169-T

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

Screw HH-1530-T
Screw

Part #HH-1530-T

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

Sq Washer HH-1775-T
#5

Frame assembly diagram

Sq washer

Part #HH-1775-T

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

Belt Guide LL-0257-T
#7

Belt roller assembly diagram

Belt guide

Part #LL-0257-T

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

Buckle MM-7032-T
#8

Frame assembly diagram

Buckle

Part #MM-7032-T

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

Knob MM-1015-T
Knob

Part #MM-1015-T

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

Drill Quick, 1/2 (2) HH-1064-T
#44

Frame assembly diagram

Drill quick, 1/2 (2)

Part #HH-1064-T

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

Side Wood 34-0583-T
#7

Frame assembly diagram

Side wood

Part #34-0583-T

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.…