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TRAK Machine Tools
Southwestern Industries, Inc.
TRAK 3ntr 3D Printers
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Maintenance & Troubleshooting Manual
Figure 6.26.1 Printer Rear Cover
1)
Remove nuts 1-2 with an 8mm spanner
2)
Remove screws 3-10 with a 2.5 mm hex key
3)
Slowly open the rear cover, grab the heater/fan assembly from the inside (ask for help at this stage
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if the fan/heater assembly falls on the printer bottom it may ruin the foam insulation)
4)
Unscrew the fan leads
–
you may need to remove the plastic cover of the screw terminal. (for your
convenience, you may want to completely detach the fan/heater assembly from the printer
–
be sure
to take note of leads(cables) positions into screw terminals!)
5)
Remove the fan using the 8mm nuts (marked as 1-2, Figure 6.26.1)
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four nuts total, two shown!
6)
Replace with the new fan, be sure to mount it blowing toward the heater (notice the direction of arrow
stamped on the fan)
7)
Put back the four 8mm nuts
8)
Restore electrical connections
9)
Put back the heater/fan assembly on the rear cover
10)
Put back the two remaining 8mm nuts to temporary secure the heater/fan assembly
11)
mount the rear panel with the eight screws
