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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.
By Schematic
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Browse Parts for
R8903T Fitness & Exercise
#24
Unit parts diagram
Screw mach
Part #21031600
The manufacturer no longer makes this part, and there's no substitute part
#23
Unit parts diagram
Cover
Part #31315900
The manufacturer no longer makes this part, and there's no substitute part
#41
Unit parts diagram
Wrench
Part #29481200
The manufacturer no longer makes this part, and there's no substitute part
#14
Unit parts diagram
Frame
Part #38427941
The manufacturer no longer makes this part, and there's no substitute part
#21
Unit parts diagram
Mch screw
Part #21031500
The manufacturer no longer makes this part, and there's no substitute part
#28
Unit parts diagram
Grommet
Part #09212400
The manufacturer no longer makes this part, and there's no substitute part
#20
Unit parts diagram
Treadboard
Part #41028241
The manufacturer no longer makes this part, and there's no substitute part
#40
Unit parts diagram
Steel rod
Part #31315710
The manufacturer no longer makes this part, and there's no substitute part
#2
Unit parts diagram
Front support
Part #39467600
The manufacturer no longer makes this part, and there's no substitute part
#5
Unit parts diagram
Handrail
Part #38428516
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
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
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
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.
Get answers to frequently asked questions about Sears and Sears PartsDirect.…