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Thermal Dynamics CE Pak Master 100XL Plus Service Manual

Plasma cutting power supply
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PLASMA CUTTING
POWER SUPPLY
®
CE Pak Master
100XL™ Plus
A-02464
Service Manual
September 15, 2003
Manual No. 0-2785

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Summary of Contents for Thermal Dynamics CE Pak Master 100XL Plus

  • Page 1 PLASMA CUTTING POWER SUPPLY ® CE Pak Master 100XL™ Plus A-02464 Service Manual September 15, 2003 Manual No. 0-2785...
  • Page 3 Manufacturer assumes no liability for its use. Plasma Cutting Power Supply CE PakMaster ® 100XL™ Plus Service Manual Number 0-2785 Published by: Thermal Dynamics Corporation 82 Benning Street West Lebanon, New Hampshire, USA 03784 (603) 298-5711 www.thermal-dynamics.com Copyright 1999 by Thermal Dynamics Corporation All rights reserved.

  • Page 4: Table Of Contents

    TABLE OF CONTENTS SECTION 1: GENERAL INFORMATION ....................1-1 1.01 Notes, Cautions and Warnings ..............1-1 1.02 Important Safety Precautions ............... 1-1 1.03 Publications ....................1-2 1.04 Note, Attention et Avertissement ..............1-3 1.05 Precautions De Securite Importantes ............1-3 1.06 Documents De Reference ................
  • Page 5 TABLE OF CONTENTS (continued) SECTION 6: PARTS LISTS ........................6-1 6.01 Introduction ....................6-1 6.02 Ordering Information ..................6-1 6.03 Major External Replacement Parts ............... 6-2 6.04 Access Panel Replacement Parts ..............6-3 6.05 Front Panel Replacement Parts ..............6-4 6.06 Left Side Internal Component Replacement Parts ........

  • Page 7: General Information

    SECTION 1: GASES AND FUMES GENERAL INFORMATION Gases and fumes produced during the plasma cutting process can be dangerous and hazardous to your health. 1.01 Notes, Cautions and Warnings • Keep all fumes and gases from the breathing area. Throughout this manual, notes, cautions, and warnings Keep your head out of the welding fume plume.

  • Page 8: Publications

    • Wear dry gloves and clothing. Insulate yourself from the work piece or other parts of the welding PLASMA ARC RAYS circuit. • Repair or replace all worn or damaged parts. Plasma Arc Rays can injure your eyes and burn your skin. •...

  • Page 9: Note, Attention Et Avertissement

    6. ANSI Standard Z49.2, FIRE PREVENTION IN THE USE ATTENTION OF CUTTING AND WELDING PROCESSES, obtain- able from American National Standards Institute, 1430 Broadway, New York, NY 10018 Toute procédure pouvant résulter l’endommagement du matériel en cas de non- 7. AWS Standard A6.0, WELDING AND CUTTING CON- respect de la procédure en question.
  • Page 10 • Eloignez toute fumée et gaz de votre zone de respira- • Ne touchez jamais une pièce “sous tension” ou “vive”; tion. Gardez votre tête hors de la plume de fumée portez des gants et des vêtements secs. Isolez-vous provenant du chalumeau. de la pièce de travail ou des autres parties du circuit de soudage.

  • Page 11: Documents De Reference

    ultra-violets très forts. Ces rayons d’arc nuiront à vos 1.06 Documents De Reference yeux et brûleront votre peau si vous ne vous protégez pas correctement. Consultez les normes suivantes ou les révisions les plus récentes ayant été faites à celles-ci pour de plus amples •...
  • Page 12 9. Norme 70 de la NFPA, CODE ELECTRIQUE NA- TIONAL, disponible auprès de la National Fire Pro- tection Association, Batterymarch Park, Quincy, MA 02269 10. Norme 51B de la NFPA, LES PROCÉDÉS DE COUPE ET DE SOUDAGE, disponible auprès de la National Fire Protection Association, Batterymarch Park, Quincy, MA 02269 11.

  • Page 13: Declaration Of Conformity

    Rigorous testing is incorporated into the manufacturing process to ensure the manufactured product meets or exceeds all design specifications. Thermal Dynamics has been manufacturing products for more than 30 years, and will continue to achieve excellence in our area of manufacture.

  • Page 14: Statement Of Warranty

    None Warranty repairs or replacement claims under this limited warranty must be submitted by an authorized Thermal Dynamics® repair facility within thirty (30) days of the repair. No transportation costs of any kind will be paid under this warranty. Transportation charges to send products to an authorized warranty repair facility shall be the responsibility of the customer.

  • Page 15: Introduction

    C. Customer/Operator Responsibilities It is the customer/operators’ responsibility to maintain the equipment and peripheral Accessories provided by Thermal Dynamics in good operating order in accordance with the procedures outlined in the Operating Manual, and to protect the equipment from accidental or mali- cious damage.
  • Page 16 INTRODUCTION Manual 0-2785...

  • Page 17: Description

    SECTION 3: 3.03 Specifications/Design Features DESCRIPTION A. Power Supply Technical Specifications The following specifications apply to the Power Supply only: 3.01 Scope of Manual 1. Front Panel Controls The information in this section has two purposes: ON/OFF Switch, RUN/SET/LATCH Switch and •...

  • Page 18: Power Supply Options And Accessories

    10. Overall Dimensions E. Computer Control Cable (CNC) Overall dimensions are with handle, lead wrap NOTE bracket, and gas regulator/filter assembly installed. This accessory is for use with PCM (Machine) 19" /482 mm High x 13" / 330 mm Wide x 24.6" /0.63 m Torches only.

  • Page 19: Service Troubleshooting

    Handle torch leads carefully and protect them from SECTION 4: damage. SERVICE A. Piloting TROUBLESHOOTING Piloting is harder on parts life than actual cutting be- cause the pilot arc is directed from the electrode to the 4.01 Introduction tip rather than to a workpiece. Whenever possible, avoid excessive pilot arc time to improve parts life.

  • Page 20: Troubleshooting Guide - General Information

    Improper cutting current Manual requires Power Supply disassembly and live mea- surements. It is helpful for solving many of the common e. Non-genuine Thermal Dynamics parts used problems that can arise with the Pak Master® 100XL PLUS (CE) Power Supply.

  • Page 21: Circuit Fault Isolation

    C. How to Use the Troubleshooting Guide 3. Set the Power Supply controls as follows: ON/OFF switch to OFF The following information is a guide to help the Service Technician determine the most likely causes for various RUN/SET/LATCH switch to SET symptoms.

  • Page 22: Main Input And Internal Power Problems

    D. Main Arc Test C. Fan does not operate; AC indicator on front panel of power supply is OFF Press the Torch Switch to establish a pilot arc. 1. Front Panel ON/OFF switch in OFF position Bring the torch to within 1/8"-3/8" (3-9 mm) of the work- a.
  • Page 23 D. System will not pilot; AC indicator ON, TEMP indicator ON Rear Panel 1. Air flow through unit is restricted a. Provide adequate air flow (Refer to Operating Manual 0-2784, Section 3.02). Gas Solenoid 2. Exceeded duty cycle of Power Supply a.

  • Page 24: Pilot Arc Problems

    3. Faulty Pilot Output PC Board 4.07 Pilot Arc Problems Remove power from the power supply. Discon- Locate your symptom below: nect J12 and J13 from the Pilot PC Board. A. No gas flow; AC indicator ON; TEMP indicator off; Check for an open between J12 pin 1 to J12 pin 3 on GAS and DC indicators OFF (Torch Switch must be the Pilot Output PC Board.
  • Page 25 C. No arc in torch; No arc at spark gap on CD PC 5. Faulty torch Board; Gas flows; AC indicator ON; Temp indica- a. Check continuity per appropriate Torch Instruc- tor off; GAS and DC indicators ON; CD enable tion Manual.

  • Page 26: Main Arc Problems

    2. Faulty PCR Relay 4.08 Main Arc Problems a. With power off, measure for continuity between Locate your symptom below: wires #12 and #14. If continuity is found, re- place PCR. A. Main cutting arc will not initiate 3. Faulty Logic/Gate PC Board 1.
  • Page 27 B. Opening Power Supply Enclosure C. Diode Testing Basics The left side panel of the Power Supply must be removed Testing of diode modules requires a digital volt/ohmme- for access to the input power connections and the input ter that has a diode test scale. Remember that even if the voltage selection.
  • Page 28 Remove AC power and with an ohmmeter set on the diode A-00306 range make the following checks: M e t e r (+ ) M e t e r (-) I n d ica t io n Reverse Bias A C 1 O p e n Diode Not Conducting A C 2...
  • Page 29 E. Main Contactor (MC1) Test Reconnect power and observe proper start-up procedure. A-01410 With the ON/OFF front panel switch in the ON position, FET/Heatsink and the AC LED should be blinking. If AC LED is not blinking, Capacitor PC Board Assembly there is either no power to the unit or an overvoltage con- dition exists.
  • Page 30 FET/Heatsink Circuit Tests TP1 (GND) The FET/Heatsink circuit tests require various checks to isolate the possible fault to the FET/Heatsink Assembly. There are several internal indicators (LED's) on the Logic/ Gate PC Board to help in troubleshooting. The indicators on the Logic/Gate PC Board as follows: Indicator Meaning Start - when O N indicates torch...
  • Page 31 1. No DC Output An open circuit voltage of approximately 280 to 325 vdc (depending on input power selected) is produced when switching transistors in the FET/Heatsink As- semblies are turned ON by a PWM (Pulse Width Modu- lation) Enable signal from the Logic/Gate PC Board. A circuit on the Logic/Gate PC Board monitors the out- put voltage.
  • Page 32 3. MOSFET Resistance Checks The Power Supply contains two identical FET/Heat- Pilot Output PC Board A-01401 sink Assemblies. On each assembly there are two MOSFET devices that must be checked. Use an ohm- meter to check for the proper resistance of the MOSFET's as follows: a.
  • Page 33 d. Place the meter (+) lead on drain lead of Q1 and 5. FET Output Rectifier Check meter (-) lead to the heatsink. The meter should Use a digital meter, diode or ohms function, to check indicate >1 meg ohms. the forward and reverse bias of the output rectifiers on Place the meter (+) lead on gate lead of Q7 (located the FET/Heatsink Assemblies as follows:...
  • Page 34 Place the meter (+) lead on E19 and the meter (-) lead on E17 of the FET/Heatsink Assembly to check the output rectifier reverse bias. The meter should indicate 'OL' using the diode function or 100K ohms using the ohms function. Place the meter (+) lead on E18 and the meter (-) lead on the heatsink of the FET/Heatsink Assem- bly to check the output rectifier resistance to ground.

  • Page 35: Replacement Procedures

    Connect the equipment primary cable ground to SECTION 5: the same electrical ground as the wrist strap. REPLACEMENT Open the equipment enclosure (see instruction manual for the appropriate equipment) and remove PROCEDURES the failed PC Board. Carefully open the ESD protective bag and remove 5.01 Introduction the replacement PC board.

  • Page 36: Major External Parts Replacement

    C. Right Side Panel Replacement 5.04 Major External Parts Replacement Remove the Lifting Handle per paragraph 'A' above. Remove screw securing the Access Panel to the Refer to Section 6.03 for parts list and overall detail draw- Front Panel. ing. Remove the two side screws and loosen the three A.

  • Page 37: Front Panel Parts Replacement

    B. ON/OFF Switch Replacement E. Access Panel Replacement Disconnect input power from the power supply. Disconnect input power from the power supply. 2. Unlatch the Access Panel to gain access to the rear 2. Remove the Right Side Panel per Section 5.04-C. of the ON/OFF Switch.

  • Page 38: Left Side Internal Parts Replacement

    C. Unit Base/Front Replacement 5.07 Left Side Internal Parts Replacement NOTE Replacing the Unit Base/Front requires removing Refer to Section 6.06 for parts list and detail drawing. the center chassis assembly from the unit. A. Fuse Replacement Disconnect input power from the power supply. Disconnect input power from the power supply.
  • Page 39 Install the replacement Input PC Board by revers- Remove the four screws securing the Logic/Gate ing the above procedure noting the following: PC Board to the standoffs. NOTE Install the replacement Logic/Gate PC Board by reversing the above procedure. Failure to properly tighten the five screws securing the Input PC Board to the Diode Bridge will cause F.

  • Page 40: Rear Panel Parts Replacement

    10. Install the replacement FET/Heatsink Assembly by Note the correct assembly of the filter/spool then reversing the above procedure, keeping in mind the remove the filter from the spool and either clean it following: or replace it. • Cables marked with 'A' connect to the upper The filter element and spool, with the baffle ring in FET/Heatsink Assembly, cables marked 'B' con- place (teeth facing downward) can be screwed back...
  • Page 41 Replace Housing on Cover. Slide the replacement Filter Elements into the Filter Assembly, with the same orientation as noted in Reattach gas supply hose. Step 4 above. NOTE Hand tighten the two bolts evenly, then torque each bolt to 20 - 30 in-lbs (2.3 - 3.4 Nm). If unit leaks between housing and cover, inspect the "O"...

  • Page 42: Right Side Internal Parts Replacement

    Install the replacement Solenoid Valve Assembly Install the replacement Air Line Regulator Assem- by reversing the above procedure. bly by reversing the above procedure and noting the following: NOTE • Apply pipe thread sealant to the fitting before For a secure seal, apply thread sealant to the fitting reassembling.
  • Page 43 B. CD PC Board Assembly Replacement D. Main Transformer Assembly Replacement Follow the anti-static handling procedures in Section 5.02. Remove the Left Side Panel per Section 5.04-B. Disconnect input power from the power supply. Remove the Right Side Panel per Section 5.04-C. 2.
  • Page 44 F. Auxiliary Transformer Assembly G. Bulkhead Adapter Replacement Replacement Disconnect input power from the power supply. Disconnect input power from the power supply. 2. Remove the Right Side Panel per Section 5.04-C. 2. Remove the Left Side Panel per Section 5.04-B. 3.

  • Page 45: Parts Lists

    SECTION 6: PARTS LISTS 6.01 Introduction A. Parts List Breakdown The parts lists provide a breakdown of all replaceable com- ponents. The parts lists are arranged as follows: Section 6.03 Major External Replacement Parts Section 6.04 Access Panel Replacement Parts Section 6.05 Front Panel Replacement Parts Section 6.06 Left Side Internal Component Replace- ment Parts...

  • Page 46: Major External Replacement Parts

    6.03 Major External Replacement Parts Item # Description Catalog # Tube, Lifting Handle, 1.125 OD, 11.85 Lg 9-7505 Mount, Lifting Handle 9-7506 Cover, Left Side Includes: 9-8001 Cover Left Side Cover, Right Side Includes: 9-8024 Cover Right Side Overlay, RH Side Panel Labels Label, Warning, French Leads Wrap Includes:...

  • Page 47: Access Panel Replacement Parts

    6.04 Access Panel Replacement Parts Item # Description Catalog # Assembly, Pot/LED PCB 9-8004 Knob, Inner Concentric (Current) 9-8007 On/Off Rocker Switch, DPST 8-3258 Switch, Rocker, SPST (Run/Set/Latch) 8-3259 Panel, Access Includes: For Units With PCH/M-80 Torch: 9-8026 Overlay, Access Panel Label, Access Panel For Units With PCH/M-102 Torch: 9-6694...

  • Page 48: Front Panel Replacement Parts

    6.05 Front Panel Replacement Parts Item # Description Catalog # Panel, Base/Front Includes: 9-8027 Base/Front, Unit USA Label Ground Tag Overlay, Front Panel Contactor, Main, 4P, 40 FLA, 120 VAC 9-7507 Strain Relief, .325-.360 Dia. 8-5537 Work Cable, #6 AWG w/Clamp – 20 ft 9-8008 Clamp 9-8120...
  • Page 49 A-02642 HARDWARE #10-32 Regular Nylon Lock Nut #10-32 x 2" PPH HDMS #10-32 x 0.5" PPH Sw ageform Stl Zn Screw 1/4-20 x 3" Screw , Soc HD #6-32 x 3 1/2" THD Screw #10-32 x 3/4" PPH Sw ag Screw #6-32x3/8 PPH STL ZN Screw Rubber Feet #6-32x3 3/4 LG PH Screw...

  • Page 50: Left Side Internal Component Replacement Parts

    6.06 Left Side Internal Component Replacement Parts Item # Description Catalog # Insulator, Input PCB See Note 1 Cable Ass’y, 10 Cir Ribbon, 15" Lg 9-5922 Logic/Gate Drive Control PCB Assembly 9-8028 FET/Heatsink Kit 9-8029 Assembly, FET/Heatsink Dust Cover, FET/Ass’y Fuse Block 9-5562 Fuse, 0.8A 600V...
  • Page 51 A-02643 HARDWARE #10-32 Regular Nylon Lock Nut #10-32 x 2" PPH HDMS #10-32 x 0.5" PPH Sw ageform Stl Zn Screw 1/4-20 x 3" Screw , Soc HD #6-32 x 3 1/2" THD Screw #10-32 x 3/4" PPH Sw ag Screw #6-32x3/8 PPH STL ZN Screw Rubber Feet #6-32x3 3/4 LG PH Screw...

  • Page 52: Rear Panel Replacement Parts

    6.07 Rear Panel Replacement Parts Item # Description Catalog # Pressure Switch-35 psi 9-1044 Valve, Solenoid 1/8 NPT 8-3370 Regulator, Air Line 9-7514 Strain Relief 8-6307 1/4 NPT Street Elbow 9-2184 1/8 NPT Str. Tee 8-0352 1/4-1/8 NPT Reducer 9-2023 Fitting, 1/8 NPT X 2"...
  • Page 53 Part of #4 A-02655 HARDWARE #10-32 Regular Nylon Lock Nut #10-32 x 2" PPH HDMS #10-32 x 0.5" PPH Sw ageform Stl Zn Screw 1/4-20 x 3" Screw , Soc HD #6-32 x 3 1/2" THD Screw #10-32 x 3/4" PPH Sw ag Screw #6-32x3/8"...

  • Page 54: Right Side Internal Component Replacement Parts

    6.08 Right Side Internal Component Replacement Parts Item # Description Catalog # Bulkhead Adapter, O B - 1/8 NPT 9-4045 9/16-18 Jam Nut, Brass 8-2149 Heatsink, Input Bridge See Note 1 Chassis, Center See Note 1 Panel, Pilot Ass’y Mounting See Note 1 Brkt, Bulkhead Mounting See Note 1...
  • Page 55 A-02536 HARDWARE #10-32 Regular Nylon Lock Nut #10-32 x 2" PPH HDMS #10-32 x 0.5" PPH Sw ageform Stl Zn Screw 1/4-20 x 3" Screw , Soc HD #6-32 x 3 1/2" THD Screw #10-32 x 3/4" PPH Sw ag Screw #6-32x3/8"...

  • Page 56: Options And Accessories

    6.09 Options and Accessories Description Catalog # Multi-Purpose Cart 7-8888 Cutting Guide Kit 7-8910 Standoff Cutting Guide 8-7575 Single-Stage Air Filter Kit– Includes Filter And Hose 7-7507 Replacement Filter Body 9-7740 Replacement Filter Element 9-7741 Replacement Filter Hose (not shown) 9-7742 Two-Stage Air Line Filter Kit 7-7500...

  • Page 57: Appendix 1: Input Wiring Requirements

    APPENDIX 1: INPUT WIRING REQUIREMENTS Input Power Input Current Input Suggested Sizes (see notes) Voltage Freq. 3-Ph 3-Ph Fuse (Amps) Wire (mm (Volts) (Hz) (kVA) (Amps) 3-Ph 3-Ph 50/60 19.1 50/60 19.4 Line Voltages with Suggested Circuit Protection and Wire Sizes NOTES The table above is based on the following output current &...

  • Page 58: Appendix 2: Sequence Of Operation (Block Diagram

    APPENDIX 2: SEQUENCE OF OPERATION (BLOCK DIAGRAM) LATCH ACTION ACTION ACTION ACTION ON/OFF switch Close external RUN/SET/LATCH RUN/SET/LATCH switch to ON. disconnect switch. switch to RUN. to SET. RESULT RESULT RESULT RESULT AC indicator blinks for 8 Power to system. Gas flow stops.

  • Page 59: Appendix 3: Pot/Led Pc Board Layout

    APPENDIX 3: POT/LED PC BOARD LAYOUT A-01206 ACPot/LED PC Board Signals J14-1 +10 VDC from Logic/Gate PC Board (J3-7) J14-2 Current Control to Logic/Gate PC Board (J3-8) J14-3 Return for Current Control from Logic/Gate PC Board (J3-9) J14-4 +12 VDC from Logic/Gate PC Board (J3-10) J14-5 Logic Low -Signal for AC OK Indicator to Logic/Gate PC Board (J3-11) J14-6...

  • Page 60: Appendix 4: Logic/Gate Pc Board Layout

    APPENDIX 4: LOGIC/GATE PC BOARD LAYOUT TP18 TP24 TP21 TP23 TP25 A-02528 Logic/Gate PC Board TP22 TP26 TP20 Logic/Gate PC Board Signals J1-1 36 VAC from Auxiliary Transformer J1-2 115 VAC from Auxiliary Transformer J1-3 Center Tap from Auxiliary Transformer (36VAC) J1-4 Not Used J1-5...
  • Page 61 J3-1 36 VAC to ON/OFF Switch J7-1 +12VDC J3-2 36 VAC from ON/OFF Switch to Logic/Gate PC Board J7-2 J3-3 36 VAC to ON/OFF Switch J7-3 J3-4 36 VAC from ON/OFF Switch to Logic/Gate PC Board J7-4 J3-5 Logic Low - From RUN/SET/LATCH Switch on Front Panel (RUN) J7-5 PRI Current Signal J3-6...

  • Page 62: Appendix 5: Pilot Output Pc Board Layout

    APPENDIX 5: PILOT OUTPUT PC BOARD LAYOUT CGND A-01389 Pilot Output PC Board Signals J12-1 Torch Switch Filter in from J22-3 Torch Control J12-2 Not Used J12-3 Torch Switch Filter Return from J22-4 Torch Control J12-4 Not Used J12-5 Pilot Return Shield to J22-1 Torch Control J12-6 Torch Switch Shield to J22-2 Torch Control J12-7...
  • Page 63 CGND Chassis Gnd PS(-) C4 Rtn for Pilot Voltage Twisted with Pilot RTN to E23 PS(-) (Stud) from Output Inductor L1 to CD Xfmr PS(+) to E18 Upper Fet Module PS(+) to E18 Upper Fet Module From E22 to PCR Pin 2 From Pilot Choke to E20 C4 RTN for Pilot Voltage Twisted with Pilot RTN from E7 Pilot RTN from Standoff on bulk head and Torch Cable...

  • Page 64: Appendix 6: Cd Pc Board Layout

    APPENDIX 6: CD PC BOARD LAYOUT J11-1 J11-3 J11-4 J11-5 A-01208 CD PC Board Signals J11-1 36 VAC from Logic PC Board (J5-1) J11-2 Return from Logic PC Board (J5-2) 36VAC Center Tap J11-3 36 VAC from Logic PC Board (J5-3) J11-4 Logic Low - CD Enable Signal from Logic PC Board (J5-4) Active Low J11-5...

  • Page 65: Appendix 7: Input Pc Board Layout

    APPENDIX 7: INPUT PC BOARD LAYOUT 2-position connector Solder Side of PC Board Component Side of PC Board Input PC Board A-02551 CGND Input PC Board Signals J16-1 Low Logic Inrush signal from Logic PCB J10-1 J16-2 Unregulated +18VDC to Inrush Relay K11 J16-3 J16-4 Not used...

  • Page 66: Appendix 8: Fet Pc Board Layout

    APPENDIX 8: FET PC BOARD LAYOUT Component Side of PC Board E12B Solder Side of PC Board A-02529 E13C APPENDIX A-10 Manual 0-2785...
  • Page 67 FET PC Board Signals (Upper and Lower Assemblies) J6-1 +12V from Logic/Gate Drive Board, upper J7-1, Lower J8-1 J6-2 PCB Common, GND, from Logic/Gate Drive Board, Upper J7-2, Lower J8-2 J6-3 PWM Output from the Logic/Gate Drive Board upper J7-3 Lower J8-3 J6-4 PWM Output RTN J6-2 from the Logic/Gate Drive Board upper J7-4 Lower J8-4 J6-5...

  • Page 68: Appendix 9: Capacitor Pc Board Layout

    APPENDIX 9: CAPACITOR PC BOARD LAYOUT E12A E12B E13A E13B A-01418 E12C E13C Capacitor PC Board Signals Positive Rail to FET Board E12A Positive Rail to FET Board E12B Positive Rail to FET Board E12C Positive Rail to FET Board Negative Rail to FET Board E13A Negative Rail to FET Board...

  • Page 69: Appendix 10: Current Sensor Pc Board Layout

    APPENDIX 10: CURRENT SENSOR PC BOARD LAYOUT A-01419 Current Sensor PC Board Signals J15-1 Logic Low - Work Cable Sense J15-2 Ground J15-3 +12 VDC Manual 0-2785 A-13 APPENDIX...

  • Page 70: Appendix 11: 36Vac Circuit Diagram

    APPENDIX 11: 36VAC CIRCUIT DIAGRAM CD PC Board Logic/Gate 12 VDC Drive PC Circuit Board Auxiliary 36 VAC Transformer Outputs 115 VAC A-02527 ON/OFF Switch APPENDIX A-14 Manual 0-2785...

  • Page 71: Appendix 12: Maintenance Schedule

    APPENDIX 12: MAINTENANCE SCHEDULE This schedule applies to all types of non-liquid cooled plasma cutting systems. Some systems will not have all the parts listed and those checks need not be performed. NOTE The actual frequency of maintenance may need to be adjusted according to the operating environment. Daily Operational Checks or Every Six Cutting Hours: Check torch consumable parts, replace if damaged or worn.

  • Page 72: Appendix 13: System Schematic

    APPENDIX 13: SYSTEM SCHEMATIC A-02639 APPENDIX A-16 Manual 0-2785...
  • Page 73 A-02639 Manual 0-2785 A-17 APPENDIX...

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