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SQUARE WAVE

™

TIG 175

OPERATOR’S MANUAL

IM10059

March, 2010

Safety Depends on You

Lincoln arc welding and cutting
equipment is designed and built
with safety in mind. However, your
overall safety can be increased by
proper installation ... and thoughtful
operation on your part. DO NOT
INSTALL, OPERATE OR REPAIR
THIS

EQUIPMENT

WITHOUT

READING THIS MANUAL AND
THE

SAFETY

PRECAUTIONS

CONTAINED

THROUGHOUT.

And, most importantly, think before
you act and be careful.

For use with machines having Code Numbers:

11691

• Sales and Service through Subsidiaries and Distributors Worldwide •

Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com

• World's Leader in Welding and Cutting Products •

Содержание SQUARE WAVE IM10059

Страница 1: ... DO NOT INSTALL OPERATE OR REPAIR THIS EQUIPMENT WITHOUT READING THIS MANUAL AND THE SAFETY PRECAUTIONS CONTAINED THROUGHOUT And most importantly think before you act and be careful For use with machines having Code Numbers 11691 Sales and Service through Subsidiaries and Distributors Worldwide Cleveland Ohio 44117 1199 U S A TEL 216 481 8100 FAX 216 486 1751 WEB SITE www lincolnelectric com World...

Страница 2: ...AY PACEMAKER WEARERS SHOULD CONSULT WITH THEIR DOCTOR BEFORE OPERATING Read and understand the following safety highlights For additional safety information it is strongly recommended that you purchase a copy of Safety in Welding Cutting ANSI Standard Z49 1 from the American Welding Society P O Box 351040 Miami Florida 33135 or CSA Standard W117 2 1974 A Free copy of Arc Welding Safety booklet E20...

Страница 3: ...ooling 3 h Never simultaneously touch electrically hot parts of electrode holders connected to two welders because voltage between the two can be the total of the open circuit voltage of both welders 3 i When working above floor level use a safety belt to protect yourself from a fall should you get a shock 3 j Also see Items 6 c and 8 FUMES AND GASES can be dangerous 5 a Welding may produce fumes ...

Страница 4: ...o adjacent areas Avoid welding near hydraulic lines Have a fire extinguisher readily available 6 b Where compressed gases are to be used at the job site special precautions should be used to prevent hazardous situations Refer to Safety in Welding and Cutting ANSI Standard Z49 1 and the operating information for the equipment being used 6 c When not welding make certain no part of the electrode cir...

Страница 5: ...iés et non inflammables 4 Des gouttes de laitier en fusion sont émises de l arc de soudage Se protéger avec des vêtements de protection libres de l huile tels que les gants en cuir chemise épaisse pan talons sans revers et chaussures montantes 5 Toujours porter des lunettes de sécurité dans la zone de soudage Utiliser des lunettes avec écrans lateraux dans les zones où l on pique le laitier 6 Eloi...

Страница 6: ... important when identifying the correct replacement parts On Line Product Registration Register your machine with Lincoln Electric either via fax or over the Internet For faxing Complete the form on the back of the warranty statement included in the literature packet accompanying this machine and fax the form per the instructions printed on it For On Line Registration Go to our WEB SITE at www lin...

Страница 7: ...tion B 1 Included Equipment B 1 GTAW Tig Welding B 1 SMAW Stick Welding B 1 Installation and Startup B 1 Welding Capability B 1 Controls and Settings B 2 THRU B 3 Operating Steps B 3 Welding in Tig Mode B 3 Remote Control Operation B 3 Benefits of the SQUARE WAVE Operation B 3 Welding in Stick Mode B 4 ______________________________________________________________________________ Accessories Secti...

Страница 8: ...14 1V AC DC 26 0 V AC DC 25 0 V AC DC 25 0 V AC DC 24 0 V AC DC Type of Output CC Constant Current AC DC Input Current at Rated Output 58 52 AC DC Stick DC TIG 64 57 AC TIG Amps 150 125 110 90 150 125 110 90 Maximum Open Circuit Voltage STICK AND TIG AC OCV 74 DC OCV 59 Standard Voltage 208 230 1 60 Duty Cycle GTAW 25 Duty Cycle 40 Duty Cycle 60 Duty Cycle 100 Duty Cycle SMAW 25 Duty Cycle 40 Duty...

Страница 9: ...afety section if welding must be performed under electrically hazardous conditions such as welding in wet areas or on or in the work piece MACHINE GROUNDING AND HIGH FRE QUENCY INTERFERENCE PROTECTION The welder must be grounded See your local and national electrical codes for proper grounding methods The high frequency generator being similar to a radio transmitter can be blamed for radio TV and ...

Страница 10: ...iation effectively making these members radiating antennas 6 Keep cover and all screws securely in place 7 Electrical conductors within 50 ft 15 2m of the welder should be enclosed in grounded rigid metal lic conduit or equivalent shielding wherever possi ble Flexible metallic conduit is generally not suit able 8 When the welder is enclosed in a metal building the metal building should be connecte...

Страница 11: ...ed on the rear of the welder The gas inlet has a 5 16 18 right hand female thread CGA 032 The optional undercarriage features a pivoting platform that simplifies loading and unloading of gas cylinders A cylinder is loaded by leaning it slightly sideways and rolling it toward the platform The cylinder s weight will push the platform downward against the floor forming a ramp At this point the cylind...

Страница 12: ...al for other available remote controls CONNECTIONS FOR STICK SMAW WELDING STICK ELECTRODE CABLE AND WORK CABLE CONNECTION Refer to Included Equipment in the Operation Section of this manual for STICK welding equipment which is included with the SQUARE WAVE TIG 175 An electrode holder with cable is supplied with the SQUARE WAVE TIG 175 Turn the Power Switch OFF Connect the cable quick connect plug ...

Страница 13: ...t 25 duty cycle on a ten minute basis It is capable of higher duty cycles at lower output currents It is capable of 175 amps 27 volts at a lower duty cycle If the duty cycle is exceeded a thermal protec tor will shut off the output until the machine cools SQUARE WAVE TIG 175 ELECTRIC SHOCK can kill Do not touch electrically live parts or electrode with skin or wet cloth ing Insulate yourself from ...

Страница 14: ... in both TIG and Stick modes In Stick mode the cur rent control sets the welding current In TIG mode this control sets the maximum current The Amptroltm will adjust the welding current from the machine min imum to this maximum setting 5 OVER TEMPERATURE LIGHT If the welder overheats due to blocked air flow high ambient air temperature or exceeded duty cycle an internal thermostat will open disabli...

Страница 15: ...y also be used An option al Arc Start Switch may be used to start and stop the welding if no remote control of the current is desired Refer to the Accessories section of this manual Both the Hand and Foot Amptrol work in a similar man ner For simplicity the following explanation will refer only to Amptrols meaning both Foot and Hand models The term minimum refers to a foot pedal in the up position...

Страница 16: ...Fleetweld 5P DC 40 70 75 130 90 175 Fleetweld 180 DC 40 80 55 110 105 135 Fleetweld 37 DC 70 95 100 135 145 Max Fleetweld 47 DC 75 95 100 145 135 Max Jet LH MR DC 85 110 110 160 130 Max Blue Max Stainless DC 40 80 75 110 95 110 Red Baron Stainless DC 40 70 60 100 90 140 Mild steel procedures are based on recommended procedures listed in C2 10 8 94 and the maximum rating of the SQUARE WAVE TIG 175 ...

Страница 17: ... 1 K1782 1 PTA 17 12 5 ft long back cap K1782 3 PTA 17 25 ft long back cap K1782 12 PTA 17 12 5 ft long with Ultra Flex cable 1 K1781 9 includes Twist Mate adapter 1 16 gas lens collet Body Collet and Gas lens NOTE Each torch requires a Twite Mate adapter one is included with the torch that comes with the machine Collets collet bodies and nozzles are not included and must be ordered separately See...

Страница 18: ... ROUTINE AND PERIODIC MAINTENANCE WARNING WARNING Use extreme caution when working with circuit of the high frequency The high voltages developed can be lethal Turn the input power off using the disconnect switch or fuse box before working inside machine This is particularly important when working on the secondary circuit of the high volt age transformer T3 because the output voltage is dangerousl...

Страница 19: ...biting Step 2 POSSIBLE CAUSE The second column labeled POSSIBLE CAUSE lists the obvious external possibilities that may contribute to the machine symptom Step 3 RECOMMENDED COURSE OF ACTION This column provides a course of action for the Possible Cause generally it states to contact your local Lincoln Authorized Field Service Facility If you do not understand or are unable to perform the Recommend...

Страница 20: ...hen arc start switch or Amptrol is activated fan is work ing 1 Make certain that the input power switch is in the ON position and machine is plugged in 2 Check the input voltage at the machine Input voltage must match the rating plate and voltage connection Refer to Reconnect Procedure in the Installation sec tion of this manual 3 Blown or missing fuses in input line 1 Check for proper input volta...

Страница 21: ...LEMS SYMPTOMS POSSIBLE CAUSE RECOMMENDED COURSE OF ACTION Machine regularly over heats ther mostat opens Yellow light on front panel glows The fan runs but machine has no output 1 Welding application may exceed recommended duty cycle Reduce the duty cycle 2 Dirt and dust may have clogged the cooling channels inside the machine Blow out unit with clean dry low pressure air 3 Air intake and exhaust ...

Страница 22: ...e machine is ground ed properly according to the installation instructions If there are other high frequency sources in the area make cer tain that they are grounded properly 2 Check Amptrol for proper opera tion and loose connections 3 Check for proper input voltage and proper voltage reconnec tion 1 Tungsten electrode may be too large in diameter for the current setting 2 Tungsten not sharp when...

Страница 23: ...anic conta mination from the work piece 2 Tungsten electrode may be cont aminated Replace or sharpen 3 Check for contaminated gas or leaks in the gas line torch or connections 4 Gas shielding may be insuffi cient Increase gas flow reduce tungsten stickout beyond gas cup 1 Check for poor connections in the welding circuit 2 Gas shielding may be insuffi cient Increase gas flow reduce tungsten sticko...

Страница 24: ... work piece The end of the tungsten electrode melts away 1 If the machine location is in a highly dirty environment with conductive contaminants check and clean the spark gap with a low pressure air stream per the maintenance instructions 1 Gas supply is empty or not turned on 2 Flow regulator may be set too low 3 Gas hose may be pinched 4 Gas flow may be blocked with dirt Check filter screen insi...

Страница 25: ...you proceed CAUTION STICK WELDING PROBLEMS PROBLEMS SYMPTOMS POSSIBLE CAUSE RECOMMENDED COURSE OF ACTION Stick electrode Blasts Off when arc is struck Stick electrode sticks in the weld puddle 1 Weld current may be set too high for electrode size Reduce current control setting or use a larger diameter electrode 1 The weld current may be set too low Increase the current control setting or use a sma...

Страница 26: ...only It may not be accurate for all machines covered by this manual The specific diagram for a particular code is pasted inside the machine on one of the enclosure panels If the diagram is illegible write to the Service Department for a replacement Give the equipment code number ...

Страница 27: ...NOTES SQUARE WAVE TIG 175 ...

Страница 28: ...electrically live parts or electrode with skin or wet clothing Insulate yourself from work and ground No toque las partes o los electrodos bajo carga con la piel o ropa moja da Aislese del trabajo y de la tierra Ne laissez ni la peau ni des vête ments mouillés entrer en contact avec des pièces sous tension Isolez vous du travail et de la terre Berühren Sie keine stromführenden Teile oder Elektrode...

Страница 29: ...gute Be und Entlüftung des Arbeitsplatzes Mantenha seu rosto da fumaça Use ventilação e exhaustão para remover fumo da zona respiratória Turn power off before servicing Desconectar el cable de ali mentación de poder de la máquina antes de iniciar cualquier servicio Débranchez le courant avant l entre tien Strom vor Wartungsarbeiten abschalten Netzstrom völlig öff nen Maschine anhalten Não opere co...

Страница 30: ...s and Service through Subsidiaries and Distributors Worldwide Cleveland Ohio 44117 1199 U S A TEL 216 481 8100 FAX 216 486 1751 WEB SITE www lincolnelectric com World s Leader in Welding and Cutting Products ...

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