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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
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Browse Parts for RT1 Fitness & Exercise
Cycle diagram
Lock Washer
Part #MZE0501007
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
Tube
Part #MB0717002A
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
Safety Key
Part #SM0005012A
The manufacturer no longer makes this part, and there's no substitute part
Cycle diagram
Screw
Part #MZE0112055
The manufacturer no longer makes this part, and there's no substitute part
Cycle diagram
Screw
Part #MZE0102013
The manufacturer no longer makes this part, and there's no substitute part
Cycle diagram
Fix Plate
Part #SP0028006AB
The manufacturer no longer makes this part, and there's no substitute part
Cycle diagram
Foam Tape
Part #MB0403045A
The manufacturer no longer makes this part, and there's no substitute part
Cycle diagram
Nut
Part #MZE0204013
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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