TRACKMASTER
Ch. 10
Removal and Replacement of Components
317-160-406 Rev 4
TMX428 TMX428CP & TMX58 Service Manual
111
May 2021
9.
Remove the remaining 3/8”
-16 screws and nylon washer. The handrail is ready to be replaced.
10.
Reverse steps 1 through step 9 to reinstall the replacement handrail.
Removing and Reinstalling the Handrails for Moving
Tools Required
1/4” Hex Socket or Flat Blade S
crewdriver
5/16” Allen Wrench
Grounding Wrist Strap
Approximate time to complete: 45 min
NOTE: This task is required only when you need to pass through a door opening less than
the standard 36”. It will be necessary to remove the handrail assembly if the door
is not capable of being opened fully parallel to the door opening and clearance is
less than 35 ½”.
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 (5) hood securing bolts.
5.
Removed the hood and set it aside.
CAUTION: Use ESD precautions, including wearing a grounding wrist strap that is
connected to an exposed metal connection point on the treadmill chassis.
6.
At the Smart Power Supply Board, disconnect the two wire harnesses from the J4 and J5
connectors (ESB) and the J6 and J7 connectors (STS).
7.
Slide the ESB and STS wires through the side channel of the motor pan.
Pay close attention not to damage the wires going through the handrail assembly.
8.
With the flat head screwdriver, remove the two plastic caps on each side which are covering the
bolts on the handrails.
9.
With the 5/16” Allen Wrench, remove the two 3/8”
-16 screws from each handrail.
This allows the handrail to pivot to a resting position beside the treadmill.
(2) Plastic Caps
(3) 3/8”
-16 Screws
(2) 3/8” Lock Washer
Nylon Washer
ESB or STS Assembly
(4) ¼”
-20 Screws
Wire Harness
