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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 guideBy Schematic
SELECT DIAGRAM
Browse Parts for RT1 Fitness & Exercise
Cycle diagram
Motor
Part #SCA302002
The manufacturer no longer makes this part, and there's no substitute part
Nut
Part #MZE0204005
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
Adornment
Part #MB0603006AA
The manufacturer no longer makes this part, and there's no substitute part
Cycle diagram
Washer
Part #MZE0505033
The manufacturer no longer makes this part, and there's no substitute part
Cycle diagram
Washer
Part #MZE0507004B
The manufacturer no longer makes this part, and there's no substitute part
Cycle diagram
End Cover
Part #MB0250013C
The manufacturer no longer makes this part, and there's no substitute part
Cycle diagram
Bracket
Part #SP0040002AA
The manufacturer no longer makes this part, and there's no substitute part
Cycle diagram
Screw
Part #MZE0104082
The manufacturer no longer makes this part, and there's no substitute part
Cycle diagram
Belt
Part #MD0602023
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 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
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
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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