WIA MC106-0, Operator'S Manual

Page 1: ... Weldarc 145i 185i Operators Manual 05 20 MC106 40C Weldarc 145i Arc TIG Welder Model No MC106 0 Iss A Weldarc 185i Arc TIG Welder Model No MC107 0 Iss A Model MC106 0 Iss A MC107 0 Iss A ...

Page 2: ...alia An ITW Company Telephone 1300 300 884 Facsimile 1300 301 884 Email Info welding com au www welding com au Weldwell New Zealand A Division of ITW New Zealand Telephone 06 8341 600 Email info weldwell co nz www weldwell co nz ...

Page 3: ...VRD 8 4 2 Fan on Demand 8 4 3 Shoulder Strap 8 5 Controls 9 6 Installation 10 7 Basic Welding Information 10 12 8 General Maintenance 12 9 External Trouble Shooting 13 10 Service Information 13 10 1 Circuit Diagram 14 15 11 Assembly and Parts Lists 16 Power Source 11 1 Weldarc 145i 16 17 11 2 Weldarc 185i 19 19 12 Australia Warranty Information 20 13 New Zealand Warranty Information 21 ...

Page 4: ...suspending or mounting the Weldarc in any other manner Safe practices when using welding equipment These notes are provided in the interests of improving operator safety They should be considered only as a basic guide to Safe Working Habits A full list of Standards pertaining to industry is available from the Standards Association of Australia also various State Electricity Authorities Departments...

Page 5: ...heated unless coating is removed from the work surface the area is well ventilated or the operator wears an air supplied respirator Work in a confined space only while it is being ventilated and if necessary while wearing air supplied respirator Vapours from chlorinated solvents can be decomposed by the heat of the arc or flame to form phosgene a highly toxic gas and lung and eye irritating produc...

Page 6: ...stible s solubility followed by purging and inerting with nitrogen or carbon dioxide and using protective equipment as recommended in AS 1674 2 Water filling just below working level may substitute for inerting Hollow castings or containers must be vented before welding or cutting They can explode Never weld or cut where the air may contain flammable dust gas or liquid vapours Shock Prevention Exp...

Page 7: ...lectrode for all general mild steel applications Austarc 13S Classification E4313 A A smooth running electrode with a soft arc particularly suited to light sheetmetal and smooth mitre fillet welds Austarc 16TC Classification E4916 A A low hydrogen electrode with good arc stability and out of position welding characteristics This electrode is ideal for medium carbon steels or steels of unknown anal...

Page 8: ...c 145i Weldarc 185i Primary Voltage 220 240 Vac 50 60 Hz 220 240 Vac 50 60 Hz Rated Primary Current I eff 9 7 Amps 14 7 Amps Maximum Primary Current I max 25 Amps 32 Amps Rated Output 40 C Duty cycle based on 10 minute cycle time Stick 145 Amps 25 8 V 15 duty 56 Amps 22 2 V 100 duty TIG 145 Amps 15 8 V 15 duty 56 Amps 12 2 V 100 duty Stick 185 Amps 27 4 V 20 duty 80 Amps 23 2 V 100 duty TIG 185 Am...

Page 9: ...ure demand Fan cooled Fan operates on temperature demand IP Rating IP21S IP23S 4 Features 4 1 VRD Function Voltage Reduction Device The VRD function is a safety feature to provide reduced open circuit voltage when not welding The VRD reduces the likely hood of electrocution due to electrode handling while physically connected to work piece The VRD on the Weldarc 145i and 185i complies with the req...

Page 10: ...strike action is a touch twist lift 4 2 Fan on Demand The machine has Fan on Demand feature which operates the cooling fan only when the internal temperature reaches a preset level Once the internal temperature has dropped the fan will turn off When the machine is first turned on the fan will operate momentarily when the machine is turned off the fan will also operate momentarily while the interna...

Page 11: ...RD status can be checked The amount of Hot Start can be adjusted The amount of Arc Force can be adjusted Press and hold MODE button for 3 secs VRD status will be displayed If VRD enabled display On If VRD disabled display Off Press MODE Hotstart setup display HS Adjust 10 to 10 of factory setting Press MODE Arc force setup display AF Adjust 10 to 10 of factory setting 5 Weld Current Control This c...

Page 12: ...lds and the maximum welding current available from the equipment As noted previously it is not recommended that the Weldarc inverter be powered from small engine driven generator sets unless they have adequate voltage regulation Poor regulation results in peaks of supply voltage which can occur with some equipment of this type Excessive voltage peaks can damage the circuits of the welder 7 Basic W...

Page 13: ...y increasing it will narrow the weld deposit Always fill the crater which tends to form at the end of a weld deposit by pausing momentarily before withdrawing the electrode to break the arc Unfilled craters are a point of weakness and can lead to weld cracking TIG Welding GTAW Connection for TIG Welding For TIG Welding the torch is connected negative terminal Figure 4 illustrates the correct conne...

Page 14: ...smoothly lift it away to establish an arc length slightly longer than the diameter of the electrode Use of a copper striking plate can be used to avoid electrode contamination The electrode can also be contaminated by contact with the filler rod A contaminated electrode produces an unstable arc if this occurs regrind the electrode tip Fig 4 Cable and Hose Connections for TIG welding Before removin...

Page 15: ...ng Poor Weld Performance Check the mains voltage supply Long extension cords can cause low weld voltage As some generators cannot supply peak currents required by inverter which can cause low weld voltage 10 Service Information The electrical components of the equipment are shown in the circuit diagram on page 14 The Weldarc inverter is an inverter type design where the mains supply is first recti...

Page 16: ...3 E Q2 1 G 2 C 3 E Q4 G2 G4 A1 K A2 D2 A1 K A2 D4 C4 R103 R102 R104 Power 15V GND Error Cur ref PWM Ctl Vol fb Vin fb Cur fb 8 6 5 3 2 7 4 1 P1 24V 24V R65 D26 C67 C68 IFB IFB 15V Input voltage feedback The fault Curent for a given Curent feedback Voltage feedback The pulse width control GND G1 G2 E1 E2 OHT1 24V CS1 CS2 V V VCC AGND J1 FAN VCC 1 15V G3 E3 G4 1 2 P3 1 2 3 FAN FAN 1 2 3 4 P4 SGND 1 ...

Page 17: ... 2 2 1 G2 G4 E2 G1 G3 E1 VCC SGND E4 NTC E3 1 2 3 FAN FAN RLY1 PE RT2 1 RT2 2 2 5 3 1 4 RT1 D1 D2 D3 D4 C1 Q1 Q3 Q2 Q4 C1 2 R1 115 C8 2 R4 R117 C6 2 R2 116 C9 2 R5 R118 C4 C7 C5 C3 R3 SGND RH1 C2 5 R2 R1 R7 5 R4 R5 R6 1 2 S4 LED3 LED4 LED1 LED2 DTIG200PFC CTRL 1 2 1 2 SW1 DIS 01 1 3 2 RP3 12 COM COM COM 8 g 5 d 2 b 7 a 11 9 e 1 c 4 f 10 dp 3 LED1 LF1 LF LF2 LF GND GND 1 2 3 4 70A 1 2 CN205 1 2 3 4...

Page 18: ...Operators Manual 16 Trusted by the best Fig 12 Weldarc 145i Power Source Assembly 11 1 Assembly and Parts List Weldarc 145i Power Source 1 2 3 4 5 6 7 9 10 11 12 13 14 8 15 ...

Page 19: ...65 Front Panel Plastic 1 8 PWA047 PCB Front Panel 145i 1 9 M0058 Knob 1 10 WIN598 Front Sticker 145i 1 11 SA104 0 2 Output Socket 2 12 FAN019 Fan 1 13 M0066 Rear Panel 1 14 E0089 Main Switch 1 15 Supply Cable 1 5mm 10A Plug 1 16 REG003 Argon Regulator 1 17 SA32 0 1 Dinse Plug 1 18 62513 Gas Hose 5mm 1 19 CLA002 Work Clamp 1 Not shown MC106 40 Operating Manual 1 16 17 18 19 11 1 Assembly and Parts ...

Page 20: ...Operators Manual 18 Trusted by the best 11 2 Assembly and Parts List Weldarc 185i Power Source 1 2 3 4 5 6 7 8 9 10 11 12 13 Fig 13 Weldarc 185i Power Source Assembly 14 15 16 ...

Page 21: ... M0056 Front Panel Plastic 1 9 PWA049 PCB Front Panel 185i 1 10 WIN600 Front Sticker 185i 1 11 M0058 Knob 1 12 SA140 0 2 Output Socket 2 13 FAN020 Fan 1 14 M0057 Rear Panel Plastic 1 15 E0078 Main Switch 1 16 Supply Cable 2 5mm 15 A Plug 1 17 REG003 Argon Regulator 1 18 SA32 0 1 Dinse Plug 1 19 62513 Gas Hose 5mm 1 20 CLA002 Work Clamp Not shown MC106 40 Operating Manual 1 17 18 19 20 11 2 Assembl...

Page 22: ... extend to the regulator gun assembly or accessories included in the original purchase package The obligation of Welding Industries of Australia under this warranty is limited to the circumstances set out above and is subject to The customer being able to provide proof of purchase of the Product and the purchase price paid for the Product The relevant defect in materials or workmanship The Product...

Page 23: ...y conditions the customer should return the Product to the original place of purchase with proof of purchase or contact Weldwell on 06 8341600 The warranty shall not apply to parts that fail due to normal wear For customers located in New Zealand you can contact Weldwell New Zealand Division of ITW New Zealand 64 Thames Street Napier 4110 New Zealand Ph 06 8341 600 Email info weldwell co nz 13 New...

Page 24: ...t Convenient external shade control Magnifying lens holder WIA Blue Helmet Part No 235620 DESIGNED FOR THE WELDER WHO WANTS PROTECTION PERFORMANCE COMFORT AT AN AFFORDABLE PRICE 1 year warranty Auto Darkening lens only Battery powered with solar assist Variable shade control Grind Mode For more information call 1300 300 884 or visit welding com au ...