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Model # TSC2 Official Horizon elite treadmill
Here are the diagrams and repair parts for Official Horizon TSC2 elite treadmill, as well as links to manuals and error code tables, if available.
By Schematic
SELECT DIAGRAM
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TSC2 Fitness & Exercise
Nut
Part #MZE0204005
Replaced by #004926-00
?
Manufacturer substitution
This part replaces MZE0204005. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
#P02
Treadmill assembly diagram
Switch
Part #MC0701002
Replaced by #003326-00
?
Manufacturer substitution
This part replaces MC0701002. Substitute parts can look different from the original.
$27.79 |
18% OFF Phone Price : $33.79
In Stock
#H27
Treadmill assembly diagram
Washer
Part #MZE0505033
Replaced by #005196-00
?
Manufacturer substitution
This part replaces MZE0505033. Substitute parts can look different from the original.
This item is not returnable
$2.26
In Stock
Rail lock
Part #MB0643001
Replaced by #001251-F
?
Manufacturer substitution
This part replaces MB0643001. Substitute parts can look different from the original.
This item is not returnable
$3.92
In Stock
#H32
Treadmill assembly diagram
Screw
Part #MZE0105004
Replaced by #004561-00
?
Manufacturer substitution
This part replaces MZE0105004. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
#R04
Treadmill assembly diagram
Screw
Part #MZE0104203
Replaced by #004486-00
?
Manufacturer substitution
This part replaces MZE0104203. Substitute parts can look different from the original.
This item is not returnable
$3.79
In Stock
#NI01
All parts diagram
T-wrench
Part #MZE1002003
Replaced by #005393-00
?
Manufacturer substitution
This part replaces MZE1002003. Substitute parts can look different from the original.
$8.50
In Stock
#N08
Treadmill assembly diagram
Back cover
Part #MB06A5002BB
Replaced by #001478-BB
?
Manufacturer substitution
This part replaces MB06A5002BB. Substitute parts can look different from the original.
$10.70
In Stock
#L11
Treadmill assembly diagram
Bolt
Part #MZE0103014
Replaced by #004425-B
?
Manufacturer substitution
This part replaces MZE0103014. Substitute parts can look different from the original.
This item is not returnable
$2.49 |
29% OFF Phone Price : $3.49
In Stock
#N11
Treadmill assembly diagram
Sw cable
Part #MC0403003B
Replaced by #001956-C
?
Manufacturer substitution
This part replaces MC0403003B. Substitute parts can look different from the original.
This item is not returnable
$5.43
In Stock
Symptoms for treadmills
Choose a symptom to see related treadmill repairs.
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…
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: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…
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 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

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 difficulty
Time required
30 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.…