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Treadmill

Model # 15375W Official Ajay executive 4000 motorized treadmill

Here are the diagrams and repair parts for Official Ajay 15375W executive 4000 motorized treadmill, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS

Showing 10 of 50 parts |

Roller Guard X5508

Unit parts diagram

Roller guard

Part #X5508

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

Pickup Screw X3496E

Unit parts diagram

Pickup screw

Part #X3496E

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

Lock Washer X8630

Unit parts diagram

Lock washer

Part #X8630

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

Handrail X1408A

Unit parts diagram

Handrail

Part #X1408A

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

Digital Unit X3496A

Unit parts diagram

Digital unit

Part #X3496A

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

Digital Computer Pick-up X3496B

Unit parts diagram

Digital computer pick-up

Part #X3496B

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

Hex Kepnut X8625

Unit parts diagram

Hex kepnut

Part #X8625

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

Motor 1/2 Hp X8694

Unit parts diagram

Motor 1/2 hp

Part #X8694

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

Threadmill X3361

Unit parts diagram

Threadmill

Part #X3361

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

Hex Bolt X8614

Unit parts diagram

Hex bolt

Part #X8614

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 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…

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 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…

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.…

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