82
TRAK Machine Tools
Southwestern Industries, Inc.
TRAK 3ntr 3D Printers
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Maintenance & Troubleshooting Manual
6.25
Z Motor Replacement
CAUTION
- Power OFF Printer, Unplug, and remove AC cord. BE ABSOLUTELY SURE THAT BY NO MEANS
THERE IS AC POWER ARRIVING TO THE MACHINE
1)
Remove front, left or right cover (depending on the stepper to be removed)
2)
Unplug Z motor
3)
Release all the screws from coupling between motor and Z screw. The coupling must disengage from
Z screw during removal
4)
Remove screws holding gearbox against machine chassis
5)
If working on left side, you may want to remove the upper and right screws holding the electronics
plate (letting you rotate it CCW) to get more space to lift and remove motor and gearbox assembly
6)
Lift and remove gearbox
7)
Note the distance between coupling and gearbox
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you must maintain coupling on the new motor-
gearbox assembly at the same distance
8)
Mount the new gearbox/assembly on the machine
9)
Push on the heated plate to be sure that it is fully seated on bottom bearings
10)
Carefully tighten the screws holding the gearbox against machine chassis
11)
Tighten coupling screws
12)
Put electrical plate back into original position (if you moved it)
13)
Plug electrical signal cable into gearbox
14)
Turn on machine (BE CAREFUL NOT TO REACH live AC cabling area)
15)
Move up and down (using LCD commands) the Z axis to test
6.26
Heated Chamber
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A4 Printer Heater Replacement
CAUTION
- Power Down Printer, unplug machine and remove AC cord, BE ABSOLUTELY SURE THAT BY NO
MEANS THERE IS AC POWER ARRIVING TO THE MACHINE.