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Horizon RT1 treadmill Parts
Here are the diagrams and repair parts for Horizon RT1 treadmill, as well as links to manuals and error code tables, if available.
Installation guide
By Schematic
SELECT DIAGRAM
Browse Parts for RT1 Fitness & Exercise
Cycle diagram
Belt
Part #MD0602023
The manufacturer no longer makes this part, and there's no substitute part
Cycle diagram
Screw
Part #MZE0102002
The manufacturer no longer makes this part, and there's no substitute part
Cycle diagram
Screw
Part #MZE0104077
The manufacturer no longer makes this part, and there's no substitute part
Cycle diagram
Screw
Part #MJ3022007B
The manufacturer no longer makes this part, and there's no substitute part
Cycle diagram
Main Frame
Part #SZTM71FRM-1
The manufacturer no longer makes this part, and there's no substitute part
Cycle diagram
Cable
Part #MC0503001B
The manufacturer no longer makes this part, and there's no substitute part
Cycle diagram
Handle Bar
Part #SZTM71HDB
The manufacturer no longer makes this part, and there's no substitute part
Cycle diagram
End Cap
Part #MB0238004DB
The manufacturer no longer makes this part, and there's no substitute part
Cycle diagram
Nut
Part #MZE0204030
The manufacturer no longer makes this part, and there's no substitute part
Cycle diagram
Rail Decal
Part #MG0229029A
The manufacturer no longer makes this part, and there's no substitute part
Most common symptoms to help you fix your fitness & exercise
Choose a symptom to see related treadmill repairs.
Main causes: bad resistance motor, faulty control console, wiring failure…
Main causes: dead batteries, power supply failure, bad wiring connections, faulty control console…
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 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 time and Difficulty
30 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 time and Difficulty
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 time and Difficulty
45 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.…
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