TRACKMASTER
Ch. 10
Removal and Replacement of Components
317-160-406 Rev 4
TMX428 TMX428CP & TMX58 Service Manual
109
May 2021
Validate Relocate ESB and STS Operation
Tools Required
Test Plug
Approximate time to complete 20 min
1.
Plug treadmill power cord back into wall outlet.
2.
Turn on the ON/OFF switch on the front of the treadmill.
3.
Using the test plug, elevate the treadmill to 20% elevation and 2.0 MPH.
4.
Pull the STS tether. The treadmill should come to a gradual stop and stay at 0.0 MPH for
approximately 3 minutes. You may hear the motor humming as it applies resistive load when you try to
move the belt.
5.
Restore the STS and restart the treadmill using the test plug. Elevate the treadmill to 20% elevation and
2.0 MPH.
6.
Press the ESB; the treadmill will come to a gradual stop with the running belt will freewheel.
7.
The validation of relocating the ESB and STS is now complete, once the treadmill has passed the
above test.
8.
Check to make sure all screws are properly tightened.
Replacing the Center Handrail
Tools Required
1/8” Allen Wrench
5/32” Allen Wrench
5/16” Allen Wrench
Grounding Wrist Strap
Approximate time to complete: 30 min
1.
Turn the treadmill’s power switch to
the OFF position.
2.
Unplug the treadmill from the wall receptacle.
3.
Allow the treadmill to discharge for 1 minute.
4.
Remove the ESB or STS.
See
Relocate Emergency Stop Button (ESB) & Stop Tether Switch (STS)
CAUTION: Use ESD precautions, including wearing a grounding wrist strap that is
connected to an exposed metal connection point on the treadmill chassis.
5.
With the 5/32” Allen Wrench, remove the eight ¼”
-20 screws holding the center handrail to the
handrail assembly.
6.
Feed wire harness through center handrail.
NOTE: Pay close attention when removing as to not damage the wires running through
the center handrail assembly.
The center handrail is ready to be replaced.
7.
Reverse steps 1 through step 6 to install replacement center handrail.
