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DP
Treadmill

Model # R8903T Official DP treadmill

Here are the diagrams and repair parts for Official DP R8903T 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 43 parts  |
Mch Screw 21031500
#21

Unit parts diagram

Mch screw

Part #21031500

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

Steel Rod 31315810
#43

Unit parts diagram

Steel rod

Part #31315810

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

Screw Mach 21031600
#24

Unit parts diagram

Screw mach

Part #21031600

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

Hex Bolt 22040500
#34

Unit parts diagram

Hex bolt

Part #22040500

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

Support 30499216
#4

Unit parts diagram

Support

Part #30499216

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

Front Support 39467600
#2

Unit parts diagram

Front support

Part #39467600

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

Bolt 22040400
#30

Unit parts diagram

Bolt

Part #22040400

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

Side Rail 09216700
#11

Unit parts diagram

Side rail

Part #09216700

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

Steel Rod 31315710
#40

Unit parts diagram

Steel rod

Part #31315710

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

Switch 37056700
#36

Unit parts diagram

Switch

Part #37056700

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

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

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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…

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Why is my treadmill's walking belt off center?

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

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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…

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Why is my treadmill's heart rate sensor not accurate?

Main causes: faulty sensors, wiring failure, bad control console…

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Why does my treadmill have no display?

Main causes: bad control console, wiring failure, bad motor control board…

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Why does my treadmill's walking belt slow down?

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

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Why is my treadmill's walking belt slipping?

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

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Repair guides for treadmills

These step-by-step repair guides will help you safely fix what’s broken on your treadmill.

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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…

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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…

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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'…

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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.

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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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