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TRAK 3ntr Series Maintenance Manual

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TRAK
Covers Current Models:
• 3ntr A2
• 3ntr A4
2615 Homestead Place
Rancho Dominguez, CA 90220-5610 USA
T | 310.608.4422 | F | 310.764.2668
Service Department: 800.367.3165
e-mail:
sales@trakmt.com
3ntr 3D Printers
®
|
service@trakmt.com
Maintenance Manual V1.18
Document:
Version:
|
web: www.trakmt.com
P/N 32237
112019

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Summary of Contents for TRAK 3ntr Series

  • Page 1 TRAK 3ntr 3D Printers ® Maintenance Manual V1.18 Document: P/N 32237 Version: 112019 Covers Current Models: • 3ntr A2 • 3ntr A4 2615 Homestead Place Rancho Dominguez, CA 90220-5610 USA T | 310.608.4422 | F | 310.764.2668 Service Department: 800.367.3165 e-mail: sales@trakmt.com...
  • Page 2 Copyright © 2019, Southwestern Industries, Inc. All rights are reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, mechanical, photocopying, recording or otherwise, without the prior written permission of Southwestern Industries, Inc.

  • Page 3: Table Of Contents

    4.20 Stepper Current Setting (OLD Stepper Drivers) ......... 49 4.21 Stepper Current Settings (Silent Drivers) .......... 50 4.22 Stepper Driver Replacement ............... 51 4.23 Feed Pressure – Check/Restore to Factory Default ......52 TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 4 4.43 Appendix A – Testing for Shorts (Continuity) ........86 4.44 Appendix B – How to Test Voltage ............. 89 4.45 Appendix C: Changelog ..............91 TRAK Warranty Policy ..........92 TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 5: Introduction

    This Maintenance Guide contains information to assist skilled and trained technicians in the maintenance, troubleshooting, and repair of the TRAK 3ntr 3D printers. It is far from complete; however, directly addresses the most commonly encountered issues that require maintenance, service, and/or troubleshooting with the TRAK 3NTR A2/A4 3D Printers.

  • Page 6: Safety

    2 Safety The safe set-up, calibration, and operation of your TRAK 3ntr 3D printer depends on its proper use and precautions taken by each operator. If these activities are performed incorrectly, there are risks, not limited to, electric shock, pinch/crush, burns, inhalation of fumes/debris that can cause serious injury or death.
  • Page 7 18) Do not operate the printer with the printer access door open or any of the windows or service access panels removed. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 8: Main Diagnostic Checklist

    3 Main Diagnostic Checklist Figure 2.1.1 Main Diagnostic Flowchart Page 1 TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 9 Figure 2.1.2 Main Diagnostic Flowchart Page 2 TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 10: Repair Procedures

    CAUTION - The procedures are to be performed by trained personnel. If you didn’t attend to 3ntr training procedures STOP NOW. 4.1 No Power Diagnostic Flowchart Figure 4.1.1 No Power Diagnostic Flowchart TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 11: No Power Check

    Figure 4.2.5 Checking Fuse on Main Switch 3) Check AC power cord – swap it with another one if possible 4) Test all AC screw terminals TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 12 Figure 4.2.6 Screw Terminals for Testing 5) (A2) Remove HC fan cover Figure 4.2.7 HC Fan Cover Removed 6) (A2) Check HC/FAN connections 7) (A2) Disconnect safety thermostat TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 13 Figure 4.2.10 Plug In Power Cord 10) Turn on machine – IF STILL NO POWER, go on with this checklist 11) Check that EMERGENCY button is released TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 14 14) Check that there is 24Vdc output on 24v PSU. If not, turn power off. Detach all 24V PSU outputs. Power on again. If still no 24V, replace PSU TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 15 15) Check that there is 12Vdc output on 12v PSU. If not, turn power off. Detach all 12V PSU outputs. Power on again. If still no 12V, replace PSU Figure 4.2.14 Check PSU Output Voltage TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 16: Fuse Is Blown Repeatedly

    Therefore, be sure that motherboard is wired correctly, with no loose connector or any slack cable around. 1) Jumpers Jumpers are needed to set some hardware configurations. Be sure to set jumper position as in the following figure: TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 17 (trimmer at right) To check current on each driver: put multimeter probes as shown below (black probe on “-” PWR screw, red probe on selected driver trimmer). TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 18 3) North and South connections. 24Vdc connectors are on the lower part of the motherboard. Fan/HC output and HB/HC temperature sensors are on the upper edge of the motherboard. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 19 Jogwheel connector goes (notch UP) on the ENC connector. LCD goes (notch DOWN) on LCD connector. LCD contrast is set with the trimmer near the LCD socket. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 20 Figure 4.4.4 Thermocouple, servo, encoder, lcd, filament sensor TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 21 Fan connection socket: be sure to use the upper half of the socket (marked as 12/24V) as from following image. End stop must ALWAYS be connected on the two lower pins of the end stop socket. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 22 Figure 4.4.6 Fan and Endstops TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 23 6) Correct Appearance. If motherboard is correctly wired, it should look like this: Figure 4.4.7 Properly Cabled and Functioning Motherboard TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 24: Cooling Circuit - Maintenance Flow Chart

    4.5 Cooling Circuit – Maintenance Flow Chart Figure 4.5.1 Cooling Circuit Maintenance Flow Chart TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 25: Cooling Circuit - Drain System

    2) Gain access to the pump/reservoir assembly 3) Using the filling bottle, remove as much liquid you can from the reservoir 4) Unplug the inlet pipe to the reservoir TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 26 Figure 4.6.6 Removing Liquid from Figure 4.6.7 Unplug Inlet Pipe Reservoir TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 27 6) Put some rags below the pump area Figure 4.6.9 Rags Below Reservoir 7) Detach the outlet pipe 8) Put inlet pipe into a container to collect fluid during blowing TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 28 9) Blow (gently) with compressed air into outlet pipe. This way you will be able to drain any remains of liquid into the circuit Figure 4.6.11 Blowing Compressed Air into Outlet Pipe 10) Machine ready! TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 29: Cooling Circuit - Fix Bent Piping

    4.7 Cooling Circuit – Fix Bent Piping Figure 4.7.1 Cooling Circuit Bent Piping Diagnostic Flowchart TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 30 If bend is happening at the extruder block (WE ASSUME THAT MACHINE IS FULLY DRAINED): 1) Remove extruders 2) Detach piping (if pipes were fully seated, they will need to be shortened later on) TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 31 5) Put back piping – see if there is any visual “knee” that could still prevent free flow of coolant. Figure 4.7.5 Coolant Piping after Replacement 6) You may need to pull some piping 7) Clean cooling circuit TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 32: Cooling Circuit - Cleaning

    4.8 Cooling Circuit - Cleaning Figure 4.8.1 Cooling Circuit Cleaning Flowchart TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 33 Figure 4.8.6 Baking Soda (Sodium Bicarbonate) 1) Power OFF and Unplug Printer Figure 4.8.7 Unplug Printer 2) Completely drain machine 3) Invert inlet with outlet on pump/reservoir TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 34 11) Run for 5 minutes 12) Completely drain machine 13) Revert piping (inlet outlet) on pump/reservoir to original configuration. 14) Refill with printer cooling fluid (the red one) TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 35: Cooling Circuit - Pump Cleaning

    Figure 4.9.2 Cellulose Rags/Towels 1) Turn Printer OFF and remove AC Power. Figure 4.9.3 Remove AC Power 2) Drain cooling circuit. Be sure to have completely drained the pump/reservoir. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 36 4) Remove the screws holding the pump against reservoir. As soon as screws are removed, use rags to absorb all water into pump housing. Figure 4.9.5 Removing Pump/Reservoir Screws TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 37 7) Clean the pump seal and the seal “landing zone” on reservoir- (on some pump version the white pin is not present) Figure 4.9.7 Clean Pump Sealing Surfaces TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 38: Pulleys

    3) Turn ON machine (to get LED lighting) and check pulleys clearance – you must be able to take a thin paper fragment between pulley and the supporting metal. NOTE - XY motors are strong enough to cope with some pulley friction. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 39 CAUTION - Moving the extruder holder around by hand may generate enough current to fry any USB device connected to the printer – be sure to unplug printer before attempting ANY manual movement. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 40: Heat Exchanger Cleaning

    – you may worsen situation blowing contaminants INSIDE the printer. You can do the opposite, blowing thru the radiator from inside the printer. Figure 4.11.1 Heat Exchanger TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 41: Stepper Heat Sinks - Cleaning

    This is one of the printer areas most subject to dust accumulation. NOTE - Clean this area with compressed air can. DON’T use industrial compressed air guns! Figure 4.12.1 Stepper Heat Sinks TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 42: Belt Tension

    Loosen the nuts of the plate holding the X or Y motor – push (or pull it, if you removed the right cover) until you get even tension among both X and Y. Figure 4.13.1 Belts – Check Tension TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 43: Heated Chamber Diagnostic Flowchart

    4.14 Heated Chamber Diagnostic Flowchart Figure 4.14.1 Fan Inlet TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 44: Heated Chamber Inspect & Repair

    All the connectors are securely engaged (A2) • All screw terminals are securely tightened (A4) • Pull gently to assess engagement • Fully push inside to get seated connectors TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 45 Figure 4.15.2 Fan Connections (Cover Removed) TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 46 TH (detach the wire going from TH to the heater – plug the other one entering the TH directly to the heater) Figure 4.15.4 TH Connections TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 47 Check that there is current arriving on the heater poles (fed by brown and blue leads in picture) • If power is present on heater poles and still no heating, then replace heater. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 48: Screw Terminals - Tighten

    1) Turn OFF machine and unplug cord from AC socket 2) Remove relevant covers 3) Check screw terminals (with a fat tip screwdriver) being tightened correctly. Don’t over tighten! TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 49 Figure 4.16.1 Screw Terminals – Inspect Tightness TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 50: Dc Fans - Inspect

    IMPORTANT - Motherboard fan must be blowing TOWARD the motherboard (see pic) Figure 4.17.1 Motherboard Fan Working Correctly (Green LED) TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 51: Extruder Gain - How To Find

    NOTE - This is a VERY RARE condition and you must report if you experience this – chances are your power supply is defective: perform repeat measurements during a few hours to assess part sanity. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 52 Figure 4.19.1 Motherboard and Power Supply Probe Test Locations TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 53: Stepper Current Setting (Old Stepper Drivers)

    Readout on Z = 1.15V • Put back the fan • Check that all connectors are correctly and safely seated • Figure 4.20.1 Multimeter Probe Placement TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 54: Stepper Current Settings (Silent Drivers)

    Readout on E0/E1/E2 = 0.9 V • Readout on X / Y = 1,4 V • Readout on Z = 1.15 V • Figure 4.21.1 Silent Driver Jumper Settings TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 55: Stepper Driver Replacement

    6) Put back on the cooling fan. 7) Check that cabling and connector is OK. 8) Power up machine, test if relevant axis is moving OK. Figure 4.22.1 Stepper Driver Identification TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 56: Feed Pressure - Check/Restore To Factory Default

    Heat exchanger is clean, and air is correctly flowing • Air can flow freely behind LCD • Defective LCD – replace it • Defective motherboard – replace it TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 57: Z Motor 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. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 58 15) Using repetier Host, turn on heated chamber, see if you get any heating. You may need to wait 5-10 minutes to see any T change TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 59: Front Panel Removal

    2) Remove the hex key holding the right cover (part 2 in Fig.4.22.1) – screws are both on right side and on machine rear Figure 4.27.1 Panel Removal 3) Remove the screws inside the printing chamber (V1 and V2, Fig 4.22.2) TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 60 6) Remove the six screws holding the front panel assembly (part 4, Figure 4.22.1) 7) Open the printer door to get optimal clearance to remove front panel assembly. 8) Remove the selected part (LCD/Jogwheel/Emergency Button) TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 61 (such as UHU or PATTEX) 13) Put back front, right and left covers 14) Restore AC power, test machine emergency button / LCD / jogwheel to be OK TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 62: Machine Packaging

    CAUTION – Failure to place the printer on a suitable pallet and/or package the printer as shown can result in damage to the housing and mechanism. Figure 4.28.1 Printer Pallet with Pads Figure 4.28.2 Printer on Pallet with Lower Side Blocks TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 63 Figure 4.28.3 Pallet Detail – Side Blocks Figure 4.28.4 Printer Corner Protection TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 64 Figure 4.28.5 Printer Side Protection Padding Figure 4.28.6 Front and Rear Printer Crate TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 65 Figure 4.28.7 Printer Crate Sides and Top Padding TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 66: Extruder Plate Change

    Figure 4.29.1 Remove Extruder Cooling Block 2) Remove fan holder Figure 4.29.2 Remove Fan Holder 3) Detach fan and end stop connectors them remove connectors plate TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 67 Figure 4.29.3 Detach Fan and End Stop Connectors/Plate 4) Place holder bracket Figure 4.29.4 Place Holder Bracket 5) Place safety hold screw, then remove back and rear plates TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 68 Figure 4.29.5 Place Safety Holder Screw, then Remove Back and Rear Plates 6) Gently pull apart belt-holding plates Figure 4.29.6 Pulling Apart Belt Holding Plates 7) Replace extruder block holder plate, then reverse procedure to re-assemble TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 69: Print Plate Repair Procedure

    – use a drill bit or a le to get to a bigger clearance if needed • Do not force the magnet into the hole • Be sure to remove any dust Figure 4.30.1 Printer Plate Corner Hole TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 70 3) Get the magnets. Let them stick to the hot plate (at room temperature – not to harm yourself) Figure 4.30.3 Magnet Stack 4) Mark the upper face of the magnet stack (while placed on hot plate magnet) TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 71 Figure 4.30.4 Mark the Magnet Stack 5) Place the magnet into the masked hole, marked side UP TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 72 Figure 4.30.5 Magnet in Printer Plate Corner Hole 6) Set heated bed at 100° C. Wait for temperature to settle. Be sure to have magnet away from any heated bed magnet TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 73 8) Add glue drops until you coat the magnet. Don’t exceed with glue – avoid getting a “bubble” that protrudes above plate level NOTE - Be sure to keep the syringe with unused glue into a cold storage (fridge is OK) TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 74 9) Inspect. This is how should be looking for a good quality job: Glue is BELOW the plate level, yet you don’t see it anymore the magnet surface TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 75 M117 CURE 2 G4 S1800 M117 DONE M190 S10 11) After curing, let plate cool down one hour before moving/using it. 12) Remove masking label before use! TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 76: Very High Temperature Hardware/Firmware Modification

    Be absolutely sure that the RED lead (severed) is on the upper position. Failing to comply will fry the board. Figure 4.31.2 Thermocouple Adapter Connection 5) Remove thermocouple leads from motherboard TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 77 7) Connect the (+) pole of the auxiliary power supply (blue lead) on the fourth terminal from right on the lower motherboard area Figure 4.31.5 Auxiliary Power Supply Connection TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 78 LEFT place) 10) If there is just one extruder affected by the modification, remove redundant wires as shown Figure 4.31.8 Removing Redundant Wires – Single Extruder Modification TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 79: Print Server Stops Working

    This occurs if print server loses power when receiving a file. To restore sanity: 1) Log into print server using Putty 2) Insert following command: “cd /” “cd var/lib/Repetier-Server/printer” “sudo mc” TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 80 3) You will be shown the printer names of active/defined models on your print server 4) Choose the directory of disappearing files. 5) Get into “jobs” directory. Figure 4.34.2 Jobs Directory TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 81: Print Server - Files Are Visible, But Won't Print

    If you still are not able to print, just delete all files (you will lose everything – gcodes and time lapses): 1) Log into print server using Putty 2) Insert following commands: “cd /” “cd var/lib/Repetier-Server/printer” “sudo mc” TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 82 “models” and “timelapse” directories 7) Press F10 “sudo reboot” to restart. System will rebuild itself and files will reappear. Figure 4.35.2 Files after System Rebuild TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 83: Print Server - Firmware Won't Flash Anymore

    3) Check the connectors on each filament sensor 4) Open each sensor Clean from powder or any filament residual Check that soldered on sensor (g.18 – 2) ends are OK TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 84: Printer Jams Frequently - Cooling Circuit Jammed

    Plastic pipes entering/exiting the extruder holder block are showing some dark colored spots • Plastic pipes entering/exiting the extruder holder block are showing some “cloudy” substances TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 85 5) Detach inlet tube (it is the highest positioned pipe attached to the reservoir) and plug it into lower port (pump outlet) Figure 4.38.2 Inlet/Outlet Identification on Coolant Reservoir TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 86 5) Be sure that water level is OK NOTE - Using pure de-mineralized water is approved alternative to factory supplied blue tinted liquid. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 87: Print Looks Bad - Stripes

    Unplugged or broken motherboard fan (not cooling the Z driver, it will overheat and not work constantly) • Bottom synchronization belt too tightened – release it a bit TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 88: X/Y/Z Axis Won't Move

    2) Faulty cable – try a temporary replacement with a spare cable (or get one temporary off the filament feeder) 3) Faulty stepper motor (VERY, VERY RARE): replace motor TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 89: Z Safety Switch Installation/Calibration

    3) Connect cable leads to (4) and (5) Figure 4.41.2 Cable Lead Connections 4) Fit safety switch on Z arm assembly as shown. Clamp part on Z assembly using screws (1) and TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 90: Z Safety Switch Is Triggered - Machine Is Locked

    In both cases, you need a multimeter. Let’s see hot to test a fuse: Set you multimeter into “continuity” mode. Some models will also emit a sound when current can flow. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 91 If you touch probes, display will change (and possibly hear a beep) Figure 4.43.2 Checking Multimeter Function – Touch Probes This fuse is blown. Discard it. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 92 Figure 4.43.3 Multimeter Indicating Blown Fuse This fuse is good – it works! Figure 4.43.4 Multimeter Indicating Fuse OK TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 93: Appendix B - How To Test Voltage

    – DEATH RISK! Testing AC Voltage on Contactor Entry Figure 4.44.1 Testing AC Voltage on Contactor Entry Multimeter set to measure AC voltage. 228 VAC present on entry. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...
  • Page 94 Testing 24Vdc output on PSU terminals Figure 4.44.3 Testing 24V DC output on PSU Terminals Multimeter set to measure DC voltage. PSU is correctly feeding 24.15 Vdc to the system. TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 95: Appendix C: Changelog

    Always check fuse with multimeter 30-10-2017 v1.15: Z safety switch 20-02-2018 v1.16: Silent stepper driver – tripped Z switch 24-05-2018 V1.18: Can’t flash firmware – Z defects updated TRAK Machine Tools Southwestern Industries, Inc. TRAK 3ntr 3D Printers – Maintenance Manual V1.18...

  • Page 96: Trak Warranty Policy

    TRAK Warranty Policy Southwestern Industries, Inc Warranty TRAK products are warranted to the original purchaser to be free from defects in workmanship and materials for the following periods: Product Warranty Period Materials Factory Labor New TRAK/ProtoTRAK 1 Year 1 Year...

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