Trackmaster FVX325, Field Service Manual

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TRACKMASTER
8-6
FVX, TMX Series Service Manual August, 2006
17.
Lift the motor off the plate making sure not to loose the four isolation spacers
and the four shoulder insulators.
18.
Remove drive sprocket from motor shaft by loosening the two 3/32 set screws on
its hub then sliding it off.
19.
Models with the shaft collar on opposite end of the flywheel proceed, If your
model has the magnet in the flywheel skip to step number 30
20.
Remove the three 7/16” bolts on the flywheels hub then thread them back in the
threaded holes of the flywheel.
21.
Once bottomed start to turn the bolts in ¼ turn at a time, continue this around and
around until the flywheel comes off the hub. Remove the bolts from the flywheel.
22.
Loosen the two setscrews on the hub and slide it off the motor shaft.
23.
Slide the hub on the other motor shaft all the way to the shoulder and tighten the
setscrews, make sure the key is in place.
24.
Put the flywheel back on the hub making sure to align the non-threaded holes in
the flywheel with the threaded holes in the bushing.
25.
Install the three bolts in these holes first finger tight only.
26.
Tighten the bolts sequential ¼ turn each until tight.
27.
IMPORTANT! Once bolts are tight use a dial indicator on the flywheels face.
Check for a maximum of .004” TIR, correct for error by tightening bolts at high
spots. Note; Excessive vibration when treadmill is running indicates flywheel
was not properly dialed in.
28.
Remove the shaft collar on the other end by loosening the bolt on the collar.
29.
Install the collar on the other motor and secure it by tightening the bolt. Once
complete skip to step #34
30.
For models with Magnet in the flywheel proceed here. Loosen flywheels set
screws on the backside hub of the flywheel.
31.
Slide the flywheel off the motor shaft.
32.
Slide the flywheel on the new motors shaft all the way to the shoulder; make sure
key is in place.
33.
Tighten the setscrews on the hub, first the one on the key then the other one.
34.
Slide the drive sprocket on the motor until it comes against the flywheels hub;
now tighten the two setscrews to secure it.
35.
With the insulators and Spacers still in place on the motor plate, set the new
motor on the plate and reinstall the four bolts with nuts. Make sure the spacers
and insulators all stay in place or the treadmill can become a shock hazard when
in operation.
36.
Loosen the setscrew retaining the speed sensor and adjust the sensor to magnet
gap to approximately 1/16”.
37.
Set the motor assembly back down into the treadmills motor pan slots.