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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Browse Parts for
15375W Fitness & Exercise
Screw 8072
#13

Unit parts diagram

Screw

Part #8072

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

Digital Computer Pick-up X3496B
#28

Unit parts diagram

Digital computer pick-up

Part #X3496B

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

Hex Bolt X8614
#14

Unit parts diagram

Hex bolt

Part #X8614

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

26" Frame, Nsp N/P
26" frame, nsp

Part #N/P

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

Deck W/cvr X3685
#40

Unit parts diagram

Deck w/cvr

Part #X3685

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

Handrail X1408A
#5

Unit parts diagram

Handrail

Part #X1408A

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

Handrail X1405A
#4

Unit parts diagram

Handrail

Part #X1405A

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

Thrd Support X7104
#43

Unit parts diagram

Thrd support

Part #X7104

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

Hand Grip X3640
#7

Unit parts diagram

Hand grip

Part #X3640

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

Top Cover X3672
#11

Unit parts diagram

Top cover

Part #X3672

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.…