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THANK YOU FOR SELECTING A QUALITY PRODUCT BY KEEP YOUR HEAD OUT OF THE FUMES. DON’T get too close to the arc. LINCOLN ELEC TRIC. Use corrective lenses if necessary to stay a reasonable distance away from the arc. READ and obey the Safety Data PLEASE EXAMINE CARTON AND EQUIPMENT FOR Sheet (SDS) and the warning label DAMAGE IMMEDIATELY...
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MAGNETIC FIELDS MAY W117.2-1974. A Free copy of “Arc Welding Safety” booklet BE DANGEROUS E205 is available from the Lincoln Electric Company, 22801 St. Clair Avenue, Cleveland, Ohio 44117-1199. 2.a. Electric current flowing through any conductor BE SURE THAT ALL INSTALLATION, OPERATION, causes localized Electric and Magnetic Fields (EMF).
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S FETY ELECTRIC SHOCK ARC RAYS CAN BURN. CAN KILL. 3.a. The electrode and work (or ground) circuits are 4.a. Use a shield with the proper filter and cover plates to protect your electrically “hot” when the welder is on. Do eyes from sparks and the rays of the arc when welding or not touch these “hot”...
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S FETY WELDING AND CUTTING CYLINDER MAY EXPLODE IF SPARKS CAN CAUSE DAMAGED. FIRE OR EXPLOSION. 7.a. Use only compressed gas cylinders containing the correct shielding gas for the process used 6.a. Remove fire hazards from the welding area. If and properly operating regulators designed for this is not possible, cover them to prevent the welding sparks the gas and pressure used.
GENERAL DESCRIPTION ASPECT™ 375 The ASPECT 375 is part of a new family of inverter based arc ™ welding power sources optimized for AC/DC TIG (GTAW) and AC/DC Stick (SMAW) welding. The ASPECT 375 includes TIG features such ™ as Intellistart AC Auto Balance ®...
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INSTALLATION ASPECT™ 375 TECHNICAL SPECIFICATIONS ASPECT ™ (K3945-1, K3945-2) POWER SOURCE RECOMMENDED INPUT WIRE AND FUSE SIZES INPUT VOLTAGE AND CURRENT INPUT MAXIMUM CORD SIZE TIME DELAY Duty Cycle Input Amperes VOLTAGE / INPUT AMPERE AWG SIZES FUSE OR (1 Phase in Parentheses) PHASE / RATING BREAKER...
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INSTALLATION ASPECT™ 375 SAFETY PRECAUTIONS ENCLOSURE RATING ASPECT™ 375 power sources carry an IP23 Enclosure rating. They Read entire installation section are rated for use in damp, dirty rain-sheltered environments. before starting installation. WARNING MACHINE GROUNDING AND HIGH FREQUENCY INTERFERENCE PROTECTION ELECTRIC SHOCK can kill.
INSTALLATION ASPECT™ 375 3. Be sure the torch and work cable rubber coverings are free of INPUT CONNECTION cuts and cracks that allow high frequency leakage. Cables with high natural rubber content, such as Lincoln Stable-Arc ® , better WARNING resist high frequency leakage than neoprene and other synthetic rubber insulated cables.
INSTALLATION ASPECT™ 375 POWER CORD REPLACEMENT WARNING WARNING The ASPECT™ 375 ON/OFF switch is not intended as a service disconnect for this equipment. Only a qualified Only a qualified electrician should connect the input leads to electrician should connect the input leads to the ASPECT™ the ASPECT™...
INSTALLATION ASPECT™ 375 OUTPUT CONNECTIONS FIGURE A.4 TWIST-MATE WORK STUD TWIST-MATE 6-PIN REMOTE ELECTRODE / GAS CONTROL CONNECTOR OUTPUT STUD 15VDC SUPPLY The ASPECT™ 375 is equipped with Twist-Mate style front output studs. To connect cables, turn the power switch ”OFF.” Connect the torch Twist-mate plug into the electrode gas output receptacle on the front of the machine and turn clockwise until tight.
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INSTALLATION ASPECT™ 375 CONNECTION DIAGRAM FOR WATER COOLED TIG TORCH WITH WIRED FOOT PEDAL...
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INSTALLATION ASPECT™ 375 CONNECTION DIAGRAM FOR AIR COOLED TIG TORCH WITH WIRED FOOT PEDAL...
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INSTALLATION ASPECT™ 375 CONNECTION DIAGRAM FOR STICK (SMAW) WELDING Turn the power switch “OFF.” Connect the electrode holder Twist-Mate to the electrode stud and turn clockwise to tighten. Connect the work cable Twist-mate to work stud and turn clockwise to tighten. Refer to the following connection diagram.
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ASPECT™ 375 OPERATION CASE FRONT CONTROLS 5. 15VDC SUPPLY (See figure B.1) 1. USER INTERFACE 6. 6-PIN REMOTE RECEPTACLE – FOR CONNECTING A FOOT AMPTROL OR OTHER REMOTE CONTROL 2. UI CONTROL KNOB – USED TO CONTROL MACHINE OUTPUT 7. WORK STUD SETTING AND TO NAVIGATE THROUGH UI MENUS 3.
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ASPECT™ 375 OPERATION CASE BACK CONTROLS (See figure B.2) 1. INPUT POWER CORD 2. 115 VAC OUTPUT PLUGS 3. 115 VAC CIRCUIT BREAKER (10 A) 4. GAS SOLENOID INPUT 5. 4-PIN WATER COOLER CONNECTION FIGURE B.2...
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ASPECT™ 375 OPERATION GRAPHIC SYMBOLS THAT APPEAR ON THIS MACHINE OR IN THIS MANUAL SAVE OPEN CIRCUIT VOLTAGE INPUT VOLTAGE HIGH TEMPERATURE OUTPUT VOLTAGE INPUT CURRENT OUTPUT CURRENT CIRCUIT BREAKER PROTECTIVE GROUND 3 PHASE INVERTER WARNING OR CAUTION INPUT POWER EXPLOSION THREE PHASE DANGEROUS VOLTAGE...
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ASPECT™ 375 OPERATION GRAPHIC SYMBOLS THAT APPEAR ON THIS MACHINE OR IN THIS MANUAL AC AUTO ALTERNATING RECALL BALANCE ® CONNECTION CURRENT MENUS GTAW SINGLE EXIT PHASE MENU SEQUENCER PULSE INPUT POWER SMAW 2 STEP WORK LEAD PEAK FOOT 4 STEP VOLTAGE FLOW AMPTROL...
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ASPECT™ 375 OPERATION USER INTERFACE CONTROLS FIGURE B.3 1. Polarity Select – Choose between DC and AC welding. 2. Process Select – Choose between High-Frequency TIG, Touch ® Start TIG , Soft Stick (7018 electrodes), or Crisp Stick (6010 electrodes). 3.
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ASPECT™ 375 OPERATION FIGURE B.4 Polarity This switch allows the user to set the polarity of the process in use. For DC GTAW welding the output is DCEN and for DC SMAW welding the output is DCEP. (See Figure B.4) (Changing Polarity to DCEN for SMAW welding is done in the advanced operations menu.
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ASPECT™ 375 OPERATION 2. 4-Step (See Figure B.9) – With 4-step trigger mode and a TIG 3. Output On-This function is designed to be used when welding mode selected, the following weld sequence will occur. In TIG welding without the use of an arc-start controller. 4-step, all sequencer functions should be set.
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ASPECT™ 375 OPERATION AC Waveshape FIGURE B.12 This switch allows the operator to customize the arc performance for TIG welding in AC polarity only. Individual descriptions are below. 1. AC AUTO BALANCE ® : (Refer to instructions to activate AC AUTO BALANCE ®...
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ASPECT™ 375 OPERATION Sequencer Functions FIGURE B.16 The sequencer allows for customization of the TIG welding operation both in AC & DC- polarities. Pressing the “SEL” button will cycle through the process graph (See figures B.16 and B.17). 1. Pre-Flow: Sets the time in seconds shielding gas will flow prior to arc-start initiation.
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ASPECT™ 375 OPERATION Memory Selection: FIGURE B.18 The memory function allows the operator to save up to 9 specific welding procedures. This memory switch has two functions: 1. Save memory settings 2. Recall memory settings. Selecting Memory Functions Pressing the memory button will allow the user to toggle FIGURE B.19 between “saving”...
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ASPECT™ 375 OPERATION Memory Recall Settings FIGURE B.22 (See Figure B.22) In order to recall process settings it is first necessary to press the memory button so that the “memory recall” icon is illuminated. Once RECL illuminated, the number on the screen will flash to indicate this number can be changed by turning the control knob, and the voltage and amperage meters will say “MEM RECL.”...
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ASPECT™ 375 OPERATION Hold Select button for 5 seconds to enter Menu “GTAW.” 5 Seconds Setup Menu "GTAW" TIG Settings TIG Settings Display Item Choices Description AUTO Specify your tungsten size for better arc initiation. AUTO (Intellistart ) automatically manages arc starting conditions to match adjusted amperage setting.
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ASPECT™ 375 OPERATION Hold Pulse button for 5 seconds to enter Menu “SMAW.” 5 Seconds Setup Menu "SMAW" Stick Settings Display Item Choices Description Specify your Arc Force setting between 0-100%. Default = FRCE Arc Force 0 - 100% Specify your Hot Start setting between 0-100%. Default = HSTR Hot Start 0 - 100%...
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ASPECT™ 375 OPERATION Hold both Select and Pulse buttons for 5 seconds to enter Menu “SYS.” 5 Seconds Setup Menu "SYS" System Settings Display Item Choices Description INCH UNIT Units Change between imperial and metric units. Voltage Reduction Device Turn ON to enable VRD and limit machine OCV to 12 Volts. LED Brightness Adjusts the intensity of the display LEDs.
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ASPECT™ 375 OPERATION Appendix A.1 Volt and Amp meter display while welding and idle. While welding, the machine will show actual voltage and amperage on the meters. When the welding arc is extinguished, the meters will display (and flash) the final voltage and amperage of that weld for 5 seconds. When the machine is idle, and not in pulse mode, the voltage meter will display 4 dash marks until welding is initiated.
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ASPECT™ 375 OPERATION A.4 4-Step Trigger with Restart Sequence 4-Step trigger with restart can be enabled in setup menu “GTAW” by switching 4RST to ON. If 4RST is ON, a TIG mode is selected, and 4-step is selected on the output section of the machine, the following sequence will occur. (3A) This sequence is the same as 4-step, except when the switch is released during the finishing current, welding current will ramp up again to the operating amperage.
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ASPECT™ 375 ACCESSORIES GENERAL OPTIONS / K2266-1 – TIG-Mate ™ 17 Air Cooled TIG Torch Starter Pack. One complete easy-to-order kit packaged in its own portable car- ACCESSORIES rying case. Includes: PTA-17 torch, parts kit, Harris flowmeter/regulator, 10 ft. gas hose, Twist-Mate™ adapter, work clamp and cable.
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ASPECT™ 375 MAINTENANCE SAFETY PRECAUTIONS FAN-AS-NEEDED (F.A.N.) WARNING The ASPECT™ 375 has the F.A.N. circuit feature, which means the cooling fan will operate only as needed to assure proper machine ELECTRIC SHOCK can kill. cooling. This helps reduce the amount of dust and dirt drawn into the machine with the cooling air.
HOW TO USE TROUBLESHOOTING GUIDE WARNING Service and Repair should only be performed by Lincoln Electric Factory Trained Personnel. Unauthorized repairs performed on this equipment may result in danger to the technician and machine operator and will invalidate your factory warranty.
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ASPECT™ 375 TROUBLE SHOOTING Observe all Safety Guidelines detailed throughout this manual ERROR CODE LIST CODE DESCRIPTION POSSIBLE CAUSE CORRECTIVE ACTION Check input voltage, Input voltage is lower than 200V or Low input cable size, and fuse drops below 200V under load size.
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ASPECT™ 375 TROUBLE SHOOTING Observe all Safety Guidelines detailed throughout this manual TIG WELDING ISSUES SYMPTOMS POSSIBLE CAUSE RECOMMENDED COURSE OF ACTION Poor starting Poor work clamp connection Check and secure work connection Wrong “DIA” setting Access “GTAW” menu (see operation section) and set DIA for Intellistart “AUTO”...
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ASPECT™ 375 TROUBLE SHOOTING Observe all Safety Guidelines detailed throughout this manual SYMPTOMS POSSIBLE CAUSE RECOMMENDED COURSE OF ACTION Insufficient cleaning Wave shape settings may not suit Set for manual balance and application increase EP or reduce balance percentage Insufficient penetration Wave shape settings may not suit Set for manual balance and application...
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ASPECT™ 375 TROUBLE SHOOTING Observe all Safety Guidelines detailed throughout this manual STICK WELDING ISSUES SYMPTOMS POSSIBLE CAUSE RECOMMENDED COURSE OF ACTION Poor starting Hot start may be set too low Access “SMAW”menu (see operation section) and increase “HSTR” setting Poor work clamp connection Check and secure work connection...
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ASPECT™ 375 TROUBLE SHOOTING Observe all Safety Guidelines detailed throughout this manual START-UP ISSUES SYMPTOMS POSSIBLE CAUSE RECOMMENDED COURSE OF ACTION Green Input indicator Trigger or hand/foot Amptrol may Turn machine off, open trigger or light does not stop be accidentally closed during start up Amptrol, then turn machine on blinking Input voltage is too high or too low...
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ASPECT™ 375 TROUBLE SHOOTING Observe all Safety Guidelines detailed throughout this manual OPEN CIRCUIT VOLTAGE (OCV) ISSUES Note: Do not connect a meter to machine output terminals to measure voltage in Tig mode as hi-freq produced by machine may damage meter. When trigger is closed in Tig mode, machine displays OCV on left meter for approximately 3 seconds then output will turn off if a weld is not made.
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ASPECT™ 375 TROUBLE SHOOTING Observe all Safety Guidelines detailed throughout this manual REMOTE CONTROL ISSUES SYMPTOMS POSSIBLE CAUSE RECOMMENDED COURSE OF ACTION Hand/foot Amprol has Machine set for 4-step trigger Set for 2-step trigger no control Start current set too high Reduce Start current Faulty Amptrol Check Amptrol...
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ASPECT™ 375 TROUBLE SHOOTING Observe all Safety Guidelines detailed throughout this manual HI-FREQUENCY ISSUES SYMPTOMS POSSIBLE CAUSE RECOMMENDED COURSE OF ACTION No hi-freq Wrong Process setting Verify Process is set for hi-freq Preflow time set too long Set for typical 0.5 second preflow time Faulty PC Boards or connections Contact your local Lincoln...
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ASPECT™ 375 TROUBLE SHOOTING Observe all Safety Guidelines detailed throughout this manual 115V AUXILIARY OUTPUT ISSUES SYMPTOMS POSSIBLE CAUSE RECOMMENDED COURSE OF ACTION No output Overload trips 115V circuit breaker Remove load & reset breaker Overload trips internal thermostat Remove load & wait for thermostat to reset Faulty receptacle or connection Check receptacle and...
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Contents TIG Welders Aspect Aspect 375 - 12558 Index of Sub Assemblies - 12558..................1 Miscellaneous Items ......................3 Case Front Assembly ......................5 Base and Center Assembly ....................7 Heat Sink Assembly......................10 Mid Shelf Assembly ......................13 Top Shelf Assembly......................15 Case Back Assembly......................17 Wraparound........................19...
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DESCRIPTION P-984-A INDEX OF SUB ASSEMBLIES P-984-B.2 MISCELLANEOUS ITEMS P-984-C CASE FRONT ASSEMBLY P-984-D BASE AND CENTER ASSEMBLY P-984-E HEAT SINK ASSEMBLY P-984-F MID SHELF ASSEMBLY P-984-G TOP SHELF ASSEMBLY P-984-H CASE BACK ASSEMBLY P-984-J WRAPAROUND Aspect 375 - 12558...
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Index of Sub Assemblies - 12558 P-984-A.jpg Aspect 375 - 12558...
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K4168-2 20H-320-25R WATER COOLED TIG TORCH K3949-1 275/375 AMP TIG INVERTER CART K918-4 HEAVY DUTY 25' ZIPPER COVER 3100211 FLOW/REG355-2AR-58010 KP510 PARTS KIT FOR PTW-20 & PTW-250 TORCHES KP509 PARTS KIT FOR PTW-18 PTA-26 & PTW-350 Aspect 375 - 12558...
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Miscellaneous Items No Image Aspect 375 - 12558...
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9SS12021-68 CONNECTOR 9SS8025-96 SELF TAPPING SCREW 9SS17062-10 CABLE CONNECTOR CAP 9SS18250-1029 PLUG & LEAD ASBLY 9SM22778-2 KNOB 1.5" 9ST14034-4 SHAFT SEAL 9SS9225-99 SELF TAPPING SCREW 9SS29541-1 MAIN POWER SWITCH 9SG7626-1 NAMEPLATE 9SS18250-1026 PLUG & LEAD ASBLY Aspect 375 - 12558...
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Case Front Assembly P-984-C.jpg Aspect 375 - 12558...
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9SS9225-99 SELF TAPPING SCREW 9ST12380-4 BUSHING 9SS29543 GROMMET 9SL16392-1 BUCK BOOST PC BD ASBLY 9SS29965-3 METRIC SEMS SCREW 9SM25058 HIGH FREQ BD BRACKET 9SG7372-3 HI FREQUENCY PC BD ASBLY 9ST9187-13 #10-24HLN-1817/1-NYLON INSERT 9SS9225-99 SELF TAPPING SCREW Aspect 375 - 12558...
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Base and Center Assembly PART NUMBER DESCRIPTION 9SS29537-4 BUS BAR 9SE106A-1 LOCKWASHER 9SS25930-8 M6-1.00 TORX HEAD SCREW 9SM24767 CHOKE ASBLY 9SS9225-99 SELF TAPPING SCREW 9SS18250-1053 PLUG & LEAD ASBLY 9SS18250-1037 PLUG & LEAD ASBLY Aspect 375 - 12558...
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Base and Center Assembly P-984-D.jpg Aspect 375 - 12558...
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WARNING Do not touch electrically live parts or Keep flammable materials away. Wear eye, ear and body protection. electrode with skin or wet clothing. Insulate yourself from work and AVISO DE ground. Spanish PRECAuCION No toque las partes o los electrodos Mantenga el material combustible Protéjase los ojos, los oídos y el bajo carga con la piel o ropa moja-...
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WARNING Keep your head out of fumes. Turn power off before servicing. Do not operate with panel open or Use ventilation or exhaust to guards off. remove fumes from breathing zone. AVISO DE Spanish PRECAuCION Los humos fuera de la zona de res- Desconectar el cable de ali- No operar con panel abierto o piración.
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Lincoln Electric for advice or information about their use of our products. We respond to our customers based on the best information in our possession at that time. Lincoln Electric is not in a position to warrant or guarantee such advice, and assumes no liability, with respect to such information or advice.
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