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Lawn & Garden

Model # 590378 Official Tractor Accessories starter

Here are the diagrams and repair parts for Official Tractor Accessories 590378 starter, 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 23 parts |

Hsg/releas 31421

Unit parts diagram

Hsg/releas

Part #31421

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

Band 29935

Unit parts diagram

Band

Part #29935

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

Power Spring 31413

Unit parts diagram

Power spring

Part #31413

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

Dog 29936

Unit parts diagram

Dog

Part #29936

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

Spring 30987

Unit parts diagram

Spring

Part #30987

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

Dog 29937

Unit parts diagram

Dog

Part #29937

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

Release Assembly 31419

Unit parts diagram

Release assembly

Part #31419

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

Spring Hub 31457

Unit parts diagram

Spring hub

Part #31457

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

Handle Assembly 31458

Unit parts diagram

Handle assembly

Part #31458

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

Spring 29940

Unit parts diagram

Spring

Part #29940

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 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.

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 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

How to replace a treadmill walking board

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.

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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