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
Hex Nut 8222
#17

Unit parts diagram

Hex nut

Part #8222

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

Hex Kepnut X8625
#19

Unit parts diagram

Hex kepnut

Part #X8625

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

Set Collar X8685
#52

Unit parts diagram

Set collar

Part #X8685

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

4l320 Vbelt X3654
#36

Unit parts diagram

4l320 vbelt

Part #X3654

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

Screw X8009
#12

Unit parts diagram

Screw

Part #X8009

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

Link Clip X8683
#50

Unit parts diagram

Link clip

Part #X8683

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

Adj Chain X8680
#48

Unit parts diagram

Adj chain

Part #X8680

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

Lwr Poly Cvr X3618
#3

Unit parts diagram

Lwr poly cvr

Part #X3618

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: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

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: 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.…