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Thermal Arc 160 TS ARCMASTER, Руководство по обслуживанию

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ARCMASTER 160TS 

93 

16. TH1 “Primary Thermistor” 

a

) Remove the Side Panel. See section “11.01.1”. 

b

) Remove the snap band. Disconnect the connector CN5 on the PCB1. Remove the screw and 

then detach the TH1. Before installing a new Thermistor, apply a uniform coat of silicone 
compound (Shinetsu Silicone G-747 or equivalent) on the base. 

 

 

 

17. TH2 “Secondary Thermistor” 

a

) Remove the Side Panel. See section “11.01.1”. 

b

) Remove PCB3 unit. See section “12.03.3”. 

c

) Cut the three snap bands. Disconnect the connector CN6 on the PCB1. Remove the screw and 

then detach the TH1. Before installing a new Thermistor, apply a uniform coat of silicone 
compound (Shinetsu Silicone G-747 or equivalent) on the base. 

 

 

 
 
 
 
 
 
 
 
 

Содержание 160 TS ARCMASTER

Страница 1: ...50 60 Hz 1 PHASE SMAW GTAW INVERTER DC CC 115 V 230 V 160 TS ARCMASTER INVERTER ARC WELDER Service Manual Revision AB Issue Date June 16 2006 Manual No 0 4881B Operating Features...

Страница 2: ...ecautions They will help you to avoid potential hazards that may exist when working with this product YOU ARE IN GOOD COMPANY The Brand of Choice for Contractors and Fabricators Worldwide ThermalArc i...

Страница 3: ...8 5711 www thermalarc com Copyright 2006 2007 2008 by Thermadyne Industries Inc All rights reserved Reproduction of this work in whole or in part without written permission of the publisher is prohibi...

Страница 4: ...ency Interference 20 3 08 Duty Cycle 20 3 09 Specifications 21 SECTION 4 OPERATOR CONTROLS 23 4 01 ARC MASTER 160TS Controls 23 4 02 Weld Process selection for 160TS 25 4 03 Weld Parameter Description...

Страница 5: ...ooling Fan FAN1 Drive Circuitry 67 4 Verification of the Gas Valve SOL1 Drive Circuitry 68 5 Verification of the primary Diode D1 69 6 Verification of the secondary Diode D2 D3 70 7 Verification of th...

Страница 6: ......

Страница 7: ...lly live whenever the output is on The input power circuit and machine internal circuits are also live when power is on In semiautomatic or automatic wire welding the wire wire reel drive roll housing...

Страница 8: ...or use exhaust at the arc to remove welding fumes and gases 3 If ventilation is poor use an approved air supplied respirator 4 Read the Material Safety Data Sheets MSDSs and the manufacturer s instru...

Страница 9: ...rk cable to the work as close to the welding area as practical to prevent welding current from traveling long possibly unknown paths and causing electric shock and fire hazards 9 Do not use welder to...

Страница 10: ...lling or connecting unit 3 Have only qualified people remove guards or covers for maintenance and troubleshooting as necessary 4 To prevent accidental starting during servicing disconnect negative bat...

Страница 11: ...rator 3 Do not coil or drape cable around the body 4 Keep welding power source and cables as far away from body as practical ABOUT PACEMAKERS The above procedures are among those also normaly recommen...

Страница 12: ...cuit d alimentation et les circuits internes de l quipement sont aussi sous tension d s la mise en marche En soudage automatique ou semi automatique avec fil ce dernier le rouleau ou la bobine de fil...

Страница 13: ...RS POUR LA PROTECTION DES YEUX EN COUPAGE ET SOUDAGE selon AWS 6 2 73 Op ration de coupage ou soudage Dim ension d lectrode ou Epiasseur de m tal ou Intensit de courant Nuance de filter oculaire Op ra...

Страница 14: ...l arc ou couvrez les soigneusement avec des b ches approuv es 4 M fiez vous des projections brulantes de soudage susceptibles de p n trer dans des aires adjacentes par de petites ouvertures ou fissur...

Страница 15: ...ez le moteur refroidir avant de faire le plein de carburant ou d en v rifier le niveau au d but du soudage 4 Ne faites pas le plein de carburant ras bord pr voyez de l espace pour son expansion 5 Fait...

Страница 16: ...inting Office Washington D C 20402 Recommended Safe Practices for the Preparation for Welding and Cutting of Containers That Have Held Hazardous Substances American Welding Society Standard AWSF4 1 ob...

Страница 17: ...anual can also be downloaded at no charge in Acrobat PDF format by going to the Thermal Arc web site listed below and clicking on the Literature Library link http www thermalarc com 2 02 Equipment Ide...

Страница 18: ...Spot Time GTAW SEC s d n o c e S Remote Control Panel Remote t n e c r e P Remote Function DC Direct Current Arc Control SMAW AC Alternating Current Gas Post Flow Standard Function Gas Pre Flow Slope...

Страница 19: ...lding GTAW Gas Tungsten Arc Welding Pulsed GTAW P Gas Tungsten Arc Welding Sloped GTAW S and Shielded Metal Arc Welding SMAW processes The power source is totally enclosed in an impact resistant flame...

Страница 20: ...ustment Mode select Switch Panel Circuit Boad Sequence Control Fan Control Circuit Fan Input Power Primary Circuit Sensor Gas Control Circuit Solenoid Coupling Coil High Frequency Unit HF Unit Control...

Страница 21: ...which can cause increased hazard have been insulated 3 02 Location Be sure to locate the welder according to the following guidelines In areas free from moisture and dust Ambient temperature between...

Страница 22: ...phase electrical input power For direct wiring installation have a qualified person install according to all applicable codes and instructions for single and three phase electrical input power Do not...

Страница 23: ...Current Circuit sizes to achieve maximum current The ARC MASTER 160TS is designed for use with a generator as an input power source Contact an accredited Thermal Arc service agent for the proper sizin...

Страница 24: ...where possible 4 Re radiation from Unearthed Metallic Objects A major factor contributing to interference is re radiation from unearthed metallic objects close to the welding leads Effective grounding...

Страница 25: ...d KVA KW 0 5 0 3 Input Volts Single Phase 208V 230V Amperage Draw Rated Load 44 39 No Load Amps 2 2 1 6 Thermal Arc continuously strives to produce the best product possible and therefore reserves the...

Страница 26: ......

Страница 27: ...4 3 6 7 8 Front view 8 Socket Receptacle 1 2 3 4 5 6 7 8 5k Ohms GND Figure 4 2 8 Socket Receptacle Socket Pin Function 1 Earth Ground 2 Torch Switch Input 24V to connect pins 2 3 to turn on welding...

Страница 28: ...a sound electrical connection CAUTION Loose welding terminal connections can cause overheating and result in the male plug being fused in the bayonet terminal 5 Gas Outlet The Gas Outlet is a 5 8 18...

Страница 29: ...PE No Yes Yes 4T operation in TIG Modes with crater fill using a remote contactor device to control sequence REPEAT No Yes Yes 4T operation in TIG Modes with repeat operation and crater fill using a r...

Страница 30: ...perates in SLOPE or REPEAT 4T TIG modes only and is used to set the start current for TIG The Start Current remains on until the torch trigger switch is released after it has been depressed UP SLOPE T...

Страница 31: ...PE or REPEAT 4T TIG modes only and is used to set the finish current for TIG The CRATER Current remains on until the torch trigger switch is released after it has been depressed POST FLOW This paramet...

Страница 32: ...current on top of the WELD current A Weld Current Amperage sets the STICK and TIG WELD current ARC CONTROL This parameter provides a suitable short circuit current in STICK welding to improve electrod...

Страница 33: ...1A No Yes Yes WELD CUR 1 to 160A 230V 1 to 85A 115V 80A 80A 1A 1A Yes Yes Yes Yes Yes Yes SPOT TIME 0 5 to 5 0 sec 2 sec 0 1 sec No Yes No PULSE WIDTH 15 to 80 50 1 No Yes Yes PULSE FREQ 0 5 to 500Hz...

Страница 34: ...aved LOAD retrieve a Program to Control Panel Press the LOAD button Select a memory location by rotating the control knob 1 to 5 is displayed on the meter After selecting the desired memory location i...

Страница 35: ...and as welding arc voltage varies between different classes of electrodes welding current at any one setting would vary according to the type of electrode in use The operator should use the welding cu...

Страница 36: ...isplayed in this window Internal warnings such as over temperature primary input current too high applied are signaled to the operator by a warning sound and error message on the screen 4 Control knob...

Страница 37: ...WELD current Connect remote control device A remote control device is required for use during LIFT TIG and HF TIG operation See section 4 1 section 2 Remote Control Socket for complete details of the...

Страница 38: ...witch contacts are open 3 Close Remote Switch Welding current decreases to final current setting Once final welding current is reached the power source will maintain final current setting as long as t...

Страница 39: ...evels During the periods of Peak current heating and fusion takes place and during the background base current periods cooling and solidification take place Pulse Width is the time in one cycle the cu...

Страница 40: ...ning the enclosure to allow the primary capacitors to discharge To clean the unit open the enclosure please refer to Section 11 01 1 Opening the Enclosure and use a vacuum cleaner to remove any accumu...

Страница 41: ...onsumables Visually inspect the cables and leads Replace as needed 3 Months Clean exterior of power supply 6 Months Replace all broken parts Bring the unit to an authorized Thermal Arc Service Center...

Страница 42: ...Welding Problems Weld quality is dependent on the selection of the correct consumables maintenance of equipment and proper welding technique Description Possible Cause Remedy 1 Excessive bead build up...

Страница 43: ...inks or breaks and gas cylinder contents B Torch is clogged with dust B Clean torch C Gas hose is cut C Replace gas hose D Gas passage contains impurities D Disconnect gas hose from torch then raise g...

Страница 44: ...ht flow rate change cylinders or turn torch valve on 12 Arc start is not smooth A Tungsten electrode is too large for the welding current A Select the right size electrode Refer to Basic TIG Welding G...

Страница 45: ...ficient throat thickness Cooling rate is too high A B C Redesign to relieve weld joint of severe stresses or use crack resistance electrodes Travel slightly slower to allow greater build up in throat...

Страница 46: ...Use larger electrodes and pre heat the plate Increase welding current C Wrong electrode angle C Adjust angle so the welding arc is directed more into the base metal D Travel speed of electrode is too...

Страница 47: ...g to be trapped C If very bad chip or grind out irregularities D Lack of penetration with slag trapped beneath weld bead D Use smaller electrode with sufficient current to give adequate penetration Us...

Страница 48: ...g current reduces when welding A B C D E Loose welding cable connections Incorrect welding cable size Improper input connections Poor electrode condition Wrong welding polarity A B C D E Tighten all w...

Страница 49: ...ent repair or replace the gas valve C Gas valve jammed open C Have an Accredited Thermal Arc Service Agent repair or replace the gas valve D POST FLOW control is set to 60 sec D Reduce POST FLOW time...

Страница 50: ...ep a suitable record of the periodic tests Note A transportable power source is any equipment that is not permanently connected and fixed in the position in which it is operated In addition to the abo...

Страница 51: ...immediately when contactor function is put into the state of ON by pushing the Function button and enabling 7 Verify the no load voltage OCV using a DC voltmeter The capability of the voltmeter shoul...

Страница 52: ...trol by gently prying back the front panel controls to reveal the VRD on off potentiometer see Figure 9 3 CAUTION Do not pull back the front panel with excessive force as this will unplug control PCB...

Страница 53: ...en VRD is turned ON check that it operates as per VRD Specifications on page 9 01 To turn VRD OFF rotate the trim potentiometer VR1 on the display PCB fully counter clockwise WARNING The VRD ON OFF tr...

Страница 54: ...then keep within its duty cycle B Fan ceases to operate B Have an Accredited Thermal Arc Service 2 E02 error code displayed Temperature sensor TH2 protects secondary diodes is greater than 80 C for ab...

Страница 55: ...zer sounds constantly Switch machine off A Turn on off switch on A Main on off switch on machine has been turned off 5 E99 error code displayed Mains supply input voltage has been turned off but contr...

Страница 56: ...epairs will void the factory warranty If a subassembly is found to be defective by executing any of the procedures in this Service Manual the subassembly should be replaced with a new one The faulty s...

Страница 57: ...nel are all OFF Figure 11 1 Switch OFF CAUTION The capacitors inside the power supply will slowly discharged after you turn off the switch of the power supply or the switch at the breaker box distribu...

Страница 58: ...turns CCW Figure 11 3 Loosen screws Note DO NOT remove the screws completely d Pull the front panel slightly forward and pull the rear panel slightly backward The interlocking hooks of the side case...

Страница 59: ...TS 55 e Remove the Side Panel Figure 11 5 Remove Side Panel f Remove PCB Cover sheet by removing the four clips Figure 11 6 Remove PCB Cover Note When you re assemble the parts conduct the above proce...

Страница 60: ...ge to complete and then remove the cases to continue your inspection and repair or maintenance inside the power supply As for the removal and installation of the case refer to section 11 01 1 Note Dur...

Страница 61: ...acement of FAN1 d Replace PCB4 WK 5449 and PCB5 WK 5448 Refer to section 12 03 4 12 03 5 for the replacement of PCB4 and PCB5 2 E02 Over Temperature at the secondary side Cause Occurs when an over tem...

Страница 62: ...harness wired between CN5 6 on PCB1 WK 5466 and Thermistors TH1 TH2 Re install the harness with a secure connection Contact the manufacturer if you find any broken connectors or damaged wiring harness...

Страница 63: ...ircuitry of the cooling fan FAN1 on PCB1 Verify the drive circuitry of the cooling fan FAN1 on PCB3 Refer to section 11 05 3 Replace PCB1 if necessary Refer to section 12 03 1 2 Gas Valve Failure No G...

Страница 64: ...mote connector at the TIG Torch side Refer to section 4 01 2 Verify that there is no open circuit on the remote connector at TIG Torch side In equipment for remote control use Verify the pin specifica...

Страница 65: ...fore proceeding Extreme personal harm and test equipment damage will occur if the procedures are not performed accurately The unit will generate a High Voltage component that can cause extreme persona...

Страница 66: ...In the case of a gap 1 0mm or less high frequency voltage and period decreases e Replace the High Frequency HF UNIT1 Refer to section 12 03 12 f Replace PCB3 WK 5609 Refer to section 12 03 3 11 04 Fa...

Страница 67: ...ed site If the input voltage is within the operating range recheck the input voltage while welding as welding may cause the input voltage to decrease to a value below the operating range of the unit c...

Страница 68: ...be more than 500VDC Using a DC voltmeter measure between the points TB1 P and TB3 N on PCB1 WK 5466 See Figure 11 9 Points TB1 P and TB2 N can be found on the parts side of PCB2 The measured voltage...

Страница 69: ...e more than 50VDC Operate at all input voltages as noted on the nameplate on the rear panel when testing the power supply b On the PCB5 WK 5448 and PCB4 WK 5449 measure the voltages according to the f...

Страница 70: ...2 on PCB1 Check Point PCB1 Reference PCB1 ACCEPTABLE VALUE Pin 1 on CN2 Pin 2 on CN2 24VDC Table 11 2 Checkpoints CN2 on PCB1 c If any of these voltages are not present or are below a 10 tolerance rep...

Страница 71: ...Figure 11 12 When you measure the above voltage do not remove the connector Conduct the measurement while the connector plug and receptacle are still connected Figure 11 12 Verification of the FAN1 b...

Страница 72: ...between the PIN3 Positive and PIN4 Negative of connector CN2 on PCB1 WK 5466 while you press the torch switch while in TIG Mode The capacity of the voltmeter should be more than 50VDC The location of...

Страница 73: ...is placed in the initial set up condition as described in section 11 4 1 Preparation a Verify the characteristic of the primary diode D1 using a diode tester b Refer to Table 11 5 and Figure 11 14 for...

Страница 74: ...the characteristic of the secondary diode D2 and D3 using a diode tester b Refer to Table 11 6 and Figure 11 15 for the checkpoints on D2 and D3 TERMINALS COMPONENT TESTED Positive lead Negative lead...

Страница 75: ...the appearance of PCB6 and PCB7 b Verify the characteristic of the primary IGBT Q1A Q4C using a diode tester c Refer to Table 11 7 and Figure 11 16 for the checkpoints on PCB6 and PCB7 TERMINALS COMP...

Страница 76: ...quency and high voltage Extra care shall be taken to prevent electric shock 1 When in HF TIG mode the unit will generate high voltage To prevent personal harm and test equipment damage mark and then r...

Страница 77: ...eter will indicate approximately 5 Amps g Slowly turn the Control Knob clockwise to the maximum of the power supply then counter clockwise back to 1 Amps as the control returns to its minimum position...

Страница 78: ...imary IGBT 12 03 6 W7001516 2 PCB1 Printed Circuit Board WK 5466 12 03 1 W7001403 3 PCB7 Q3A Q4C Printed Circuit Board WK 5460 12 03 7 W7001516 4 PCB3 Printed Circuit Board WK 5609 12 03 3 W7001520 5...

Страница 79: ...REFERENCE SECTION PART NO 1 C1 Capacitor 12 03 2 10 6510 2 R1 Resistor 12 03 2 W7001448 3 T1 Transformer 12 03 3 W7001501 4 HF UNIT High Frequency Unit 12 03 12 W7001399 5 FCH1 Reactor 12 03 9 W70015...

Страница 80: ...12 03 1 W7001481 3 FAN1 Cooling Fan 12 03 11 10 5227 4 SOL1 Solenoid Valve 12 03 13 10 6645 5 TH1 Primary Thermistor 12 03 16 10 5228 6 CON1 Remote Connector 12 03 15 10 6627 7 D3 Secondary Diode 12...

Страница 81: ...n disconnect them Note Locking type connectors and board supporters are indicated in this manual using the following symbols black star marks for locking connectors and white star marks for locking bo...

Страница 82: ...pull the harness cable part 12 03 Replacement Procedure 1 PCB1 WK 5466 and Primary Diode D1 a Remove the Side Panel See section 11 01 1 b Remove the screw and three cables Cut the snap band c Remove...

Страница 83: ...ARCMASTER 160TS 79 e Remove the Gas Tube Remove the two bolts two toothed washers and the terminal f Remove the four screws and the Front Panel g Remove the Gas Tube and the two cables...

Страница 84: ...80 Continued on next page h Remove the four screws and the Rear Panel i Remove the four screws and the two cables Disconnect the eight connectors CN1 8 on the PCB1 j Remove the four screws and Remove...

Страница 85: ...of silicone compound Shinetsu Silicone G 747 or equivalent on the base 2 PCB2 WK 5467 Capacitor C1 and Resistor R1 a Remove the Side Panel See section 11 01 1 b Remove the PCB1 and D1 See section 12...

Страница 86: ...PCB3 WK 5609 and T1 Transformer a Remove the Side Panel See section 11 01 1 b Remove the CT1 See section 12 03 10 c Cut the snap band and Remove the cables Disconnect the three connectors CN1 3 on the...

Страница 87: ...move the T D Bus Bar1 and the T D Bus Bar2 Open the tap of T1 and Remove the four screws Remove the T1 from the PCB3 4 PCB4 WK 5449 a Remove the Side Panel See section 11 01 1 b Remove the Protection...

Страница 88: ...the four screws Pull out the operation panel and bring it down e Remove the four screws Remove the PCB4 5 PCB5 WK 5448 a Remove the Side Panel See section 11 01 1 b Remove the PCB4 See section 12 03 4...

Страница 89: ...ee section 11 01 1 b Remove the four screws and two IGBT Spring Clips Remove the cables from edge holder 3 Disconnect the connector CN1 on the PCB6 Cut the lead of the Q1A Q2C Remember to install new...

Страница 90: ...heets where silicone compound Shinetsu Silicone G 747 or equivalent was spread when reinstalling the PCB7 Spread the silicone compound on IGBT 8 D2 and D3 Secondary Diode a Remove the Side Panel See s...

Страница 91: ...Side Panel See section 11 01 1 b Remove the Gas Tube Remove the two bolts two toothed washers and the terminal c Remove the four screws and the Front Panel d Remove the screw and then remove the cable...

Страница 92: ...e C C and FCH1 10 CT1 Hole Current Trans a Remove the Side Panel See section 11 01 1 b Remove the bolts the spring and the washer Remove the three screws and then remove the Output Bus Bar c Remove th...

Страница 93: ...a Remove the Side Panel See section 11 01 1 b Remove the Gas Tube Remove the two terminals and Cut the three snap bands c Disconnect the connector CN2 on the PCB1 and Cut the snap band d Remove the fo...

Страница 94: ...UNIT1 High Frequency Unit a Remove the Side Panel See section 11 01 1 b Remove the high frequency gap Remove the four terminals c Remove the two screws and the two washers Detach the HF UNIT1 13 SOL1...

Страница 95: ...n detach the SOL1 When reinstalling make sure that the C ring seats in the solenoid valve groove 14 S1 Switch a Remove the Side Panel See section 11 01 1 b Remove the four screws and the four cables c...

Страница 96: ...cle a Remove the Side Panel See section 11 01 1 b Remove the screw and then three ground cables Cut the two snap bands c Cut the snap band and disconnect connector CN1 on the PCB1 d Open the Panel Pro...

Страница 97: ...a uniform coat of silicone compound Shinetsu Silicone G 747 or equivalent on the base 17 TH2 Secondary Thermistor a Remove the Side Panel See section 11 01 1 b Remove PCB3 unit See section 12 03 3 c...

Страница 98: ...1481 Diode gen 3 1 IPS DF30DB80 PRIMARY DIODE 1 6 D2 10 6629 Diode gen 3 1 IPS DBA200UA60 SECONDARY DIODE 1 7 D3 10 6629 Diode gen 3 1 IPS DBA200UA60 SECONDARY DIODE 1 8 FAN1 10 5227 Fan gen 3 1 IPS D...

Страница 99: ...nput gen 3 1 IPS SCLB14A 1 50 W7001489 Heatsink gen 3 1 IPS E1B834200 2 51 W7001490 Heatsink gen 3 1 IPS E1B836800 1 52 W7001488 Insulated Board gen 3 1 IPS E1B834100 2 53 10 6665 Knob gen 3 1 IPS 262...

Страница 100: ...160TS PARTS LIST 97 73 30 37 37 31 27 8 32 32 44 36 57 64 49 33 55 17 35 16 26 45 54 3 53 34 46 41 45 59 38 40 39 38 46 47 47 48 43...

Страница 101: ...160TS PARTS LIST 98 50 56 56 56 67 68 52 52 66 66 66 66 56 51 69 69 13 5 14 18 65 19 9 2 28 71 1 24 15 4 63 61 62 66 70 7 6 29 29 10 58 25 11 65 72 72 72...

Страница 102: ...CONNECTION WIRING GUIDE Destination Destination A PCB1 CN1 CON1 B PCB1 CN2 FAN1 SOL1 C PCB1 CN3 PCB3 CN1 D PCB1 CN4 CT1 E PCB1 CN5 TH1 F PCB1 CN6 TH2 G PCB1 CN7 PCB6 CN1 H PCB1 CN8 PCB7 CN1 I PCB1 CN...

Страница 103: ...RING GUIDE 100 APPENDIX 3 Interconnect Diagram PCB6 PCB4 CON1 TH1 TH2 PCB7 SOL1 R1 R2 ACT1 ACT2 PCB1 FAN1 CT1 PCB3 CN1 CN1 CN3 CN1 CN2 HF UNIT CN3 CN1 CN7 CN3 CN4 CN2 CN101 CN103 CN1 CN5 CN6 CN8 B H J...

Страница 104: ...Thermal Sensor1 CN103 20 CN3 20 Thermal Sensor1 CN103 21 CN3 21 Thermal Sensor2 CN103 22 CN3 22 Thermal Sensor2 CN103 24 CN3 24 HF signal CN103 25 CN3 25 Gas signal CN103 26 CN3 26 Short Detect signa...

Страница 105: ...Short Detect signal CN3 5 CN1 5 12VDC CN3 6 CN1 6 HF signal CN2 1 HF UNIT AC2 HF Input Voltage CN3 3 HF UNIT AC1 HF Input Voltage CN1 2 CON1 2 Contactor Control 12V CN1 3 CON1 3 Contactor Control GND...

Страница 106: ...GND 7 Amperage Control Wiper 0 10VDC 8 Remote Installed 12VDC CN5 CN1 TH1 TH2 S1 TB12 Ground TB9 TB11 TB10 TB1 TB2 TB3 TB1 TB2 TB3 6 1 2 3 4 5 CN1 6 1 2 3 4 5 CN7 6 1 2 3 4 5 CN8 6 1 SOL1 Q1A Q1B Q1C...

Страница 107: ...Terminal TO1 TO2 TB5 1 2 3 4 12 12 IS GND C1 R1 T1 D2 D3 TB6 CT1 HF UNIT CC2 CC1 R1 R2 AC1 AC2 CN2 CN2 PCB4 Control Circuit Board WK 5449 PCB5 Panel Circuit Board WK 5448 1 2 3 4 5 6 7 CN3 SIDE CHASS...

Страница 108: ...ive lead to the anode positive of the diode and the negative lead to the cathode negative of the diode refer to figure 1 A properly functioning diode will conduct in the forward bias direction and wil...

Страница 109: ......

Страница 110: ...g out of contract tort including negligence or strict liability or under any warranty or otherwise shall not exceed the price of the goods upon which such liability is based No employee agent or repre...

Страница 111: ...wer switch semi conductors 3 years 3 years All other original circuits and components including but not limited to relays switches contactors solenoids fans electric motors 1 year 1 year PLASMA WELDIN...

Страница 112: ......

Страница 113: ...trict Shanghai PR 200052 Telephone 86 21 69171135 Fax 86 21 69171139 Thermadyne Asia Sdn Bhd Lot 151 Jalan Industri 3 5A Rawang Integrated Industrial Park Jln Batu Arang 48000 Rawang Selangor Darul Eh...

Страница 114: ...World Headquarters Thermadyne Holdings Corporation Suite 300 16052 Swingley Ridge Road St Louis MO 63017 Telephone 636 728 3000 Fascimile 636 728 3010 Email sales thermalarc com www thermalarc com...

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