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Mosa TS 2x280 EVO MULTI4 Use And Maintenance Manual

Engine driven welder
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C1PV20239003_EN
01-2024
Use and Maintenance Manual
D5264800
Engine driven welder
TS 2x280 EVO MULTI4
Original instructions

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Summary of Contents for Mosa TS 2x280 EVO MULTI4

  • Page 1 C1PV20239003_EN 01-2024 Use and Maintenance Manual D5264800 Engine driven welder TS 2x280 EVO MULTI4 Original instructions...

  • Page 3: Table Of Contents

    Contents Contents Introduction ............................1 Foreword ............................1 Supplied documentation ........................1 Customer service ..........................2 Spare parts ............................2 Declaration of conformity ........................2 Unauthorized changes ........................2 Allowed and non-allowed use ......................2 1.8 Identification data ..........................3 Safety ..............................5 Safety information ..........................5 Positioning of safety decal and information ..................6 2.2.1 Decal explanation ........................7 General precautions .........................10...
  • Page 4 Contents Technical data ...........................24 Remote Control connector wiring diagram (10-pin) ................26 Wire Fender connector wiring diagram (14-pin) ................26 Description ............................27 Main components ..........................27 4.1.1 External components ......................27 4.1.2 Internal components ......................28 4.1.3 Control panel and electrical panel components ..............30 Installation ............................33 Fixed installation ..........................34 Installation on a vehicle ........................34...
  • Page 5 Contents 6.11.3 Insulation monitor ........................65 6.11.4 Circuit breaker ........................66 6.11.5 Thermal Protection ......................66 6.12 Troubleshooting ..........................67 6.12.1 Engine ..........................67 6.12.2 Welding circuit ........................69 6.12.3 AC auxiliary current circuit ....................71 Maintenance ............................73 Refuelling ............................73 7.1.1 Fuel ............................73 7.1.2 Engine oil ..........................74 7.1.3 Coolant ..........................75 7.1.4...

  • Page 7: Introduction

    If the manual is lost, damaged or becomes illegible, request a copy to MOSA, indicating the model of the engine driven welder, the serial number and the year of construction.

  • Page 8: Customer Service

    1. Introduction Customer service The Technical Assistance and Spare Parts Service are available to the Customers. MOSA recommends that you contact the nearest authorised service centre for specialised intervention for all control and overhaul operations. In order to obtain quick and effective responses, indicate the Model and Serial Number shown on the identifi- cation plate (see “1.8 Identification data”).

  • Page 9: Identification Data

    1. Introduction Identification data The data identifying the machine are specified on the ID plate applied in the area indicated in the figure. They are necessary for spare parts requests and communications with the Customer Service Department. D5264810 Manufacturer 's data Machine data (1) Country and year of manufacture (2) Model (3) Serial number (4) Technical standard reference Welding data (1) Welding process (2) Symbol for engine driven welders that can be used in environments with a higher risk of electric...
  • Page 10 1. Introduction (5) Duty cycle values (6) Rated welding current values (7) Welding voltage values (8) Rated no-load welding voltage or adjustment range between minimum and maximum value (9) Reduced rated no-load welding voltage with a voltage reduction device (VRD) Auxiliary generation data (1) Rated frequency(Hz) (2) Rated cos ϕ (power factor)

  • Page 11: Safety

    2. Safety Safety Safety information Always respect the warnings contained in this manual and present on the decal applied to the machine. This allows the machine to be used safely, avoiding damage to property and injury or death to people. The following words and symbols were used to identify important safety messages.

  • Page 12: Positioning Of Safety Decal And Information

    2. Safety Positioning of safety decal and information D5264820...

  • Page 13: Decal Explanation

    2. Safety 2.2.1 Decal explanation Pos. 1 - Electrical voltage hazard Stop the machine before carrying out checks or mainte- nance. M734500250 Pos. 2 - Safety marking Indicates that the engine driven welder may used in envi- ronments with a higher risk of electric shock. D5260960 Pos.

  • Page 14: Fluid Drain

    2. Safety Pos. 7 - Lifting points with forklift truck M840760202 Pos. 8 - Base liquids drainage FLUID DRAIN MCN4F40510250 Pos. 9 - Stop the engine before servicing To avoid burns due to contact with hot parts, before carry- ing out checks or servicing of the machine, stop the engine and wait until they have cooled sufficiently.
  • Page 15 2. Safety Pos. 13 - Fuel filling neck M107011150 Pos. 14 - Coolant drain D5264860 Pos. 15 - Battery disconnect switch BATTERY SWITCH MC1PN10430271...

  • Page 16: General Precautions

    2. Safety General precautions Any errors during use, checks or maintenance could cause the risk of injury, even serious • Before performing the operations, read this manual and the decals applied to the machine and follow the warn- ings. If you don't understand any part of the manual, ask your Safety Officer for explanations.

  • Page 17: Fire Prevention

    2. Safety Fire prevention 2.4.1 Fire due to fuel, oil, coolant • Avoid approaching any flame to flammable substances such as fuel, oil, coolant. • Do not smoke or use open flames near flammable sub- stances. • Stop the machine before refuelling. • Make sure not to spill flammable substances on over- heated surfaces or on parts of the electrical system. • After refuelling, remove any spills and tighten all filling caps tightly.

  • Page 18: Handling Precautions

    2. Safety Handling precautions 2.5.1 Lifting by chains or ropes • Make sure that the handling area is clear of obstacles and people. • Lift the machine using only the lifting points provided and indicated by the decals. • The operator carrying out the lifting work must be quali- fied to work with the crane.

  • Page 19: Transport With Towing Carriages

    2. Safety • Widen the forks as much as possible to distribute the weight evenly while keeping the machine horizontal. D5260120 2.5.3 Transport with towing carriages • Do not tow the machine manually or with tow vehicles without the intended towing carriage. •...

  • Page 20: Precautions For Positioning The Machine

    2. Safety Precautions for positioning the machine 2.6.1 Positioning site precautions • This machine has been designed for outdoor use and can therefore be positioned outdoors. In case of meteorological precipitation (rain, snow, etc.), place the machine in an adequately sheltered place.

  • Page 21: Precautions During Operation

    2. Safety Precautions during operation • Keep the doors closed during normal operation. • Access to the internal parts of the machine must only be carried out for maintenance purposes. • Keep the area near the muffler free from objects such as rags, paper, cartons. The high temperature of the muffler could cause the objects to burn and cause a fire. • Immediately stop the machine in case of malfunctions. Do not restart the machine without first identifying and solving the problem.

  • Page 22: Electromagnetic Compatibility (Emc)

    2. Safety 2.10 Electromagnetic Compatibility (EMC) The machine is compliant with European Directive 2014/30/EU on electromagnetic compatibility, and with harmonized standard: EN 60974-10 Electromagnetic Compatibility (EMC) Product Standard for Arc Welding Equipment. All electrical equipment generates small amounts of electromagnetic emission. Electrical emission may be transmitted through power lines or radiated through space, similar to a radio transmitter.

  • Page 23: Emission-Reducing Methods

    2. Safety ◦ Equipment used for calibration or measurement. • Check that the other equipment in the environment is immune against electromagnetic disturbances. Ensure that the other equipment being used in the environment is compatible. This may require additional protection measures. •...

  • Page 24: Precautions During Welding

    2. Safety 2.11 Precautions during welding • Access to the internal parts of the machine must only be carried out for maintenance purposes. • Immediately stop the machine in case of malfunctions. Do not restart the machine without first identifying and solving the problem. 2.11.1 Precautions in the workplace • Do not use the welding equipment near heat sources, in areas at risk with explosion hazard or fire haz- ard.
  • Page 25 2. Safety • Welding generates large amounts of heat. Welded surfaces and materials can cause serious burns. Use gloves and pliers when touching or moving materials in the work area. D5260210 • Welding generates fumes and gases that are hazardous to health. Use sufficient ventilation or a fume extractor to keep fumes and gases away from the breathing area.

  • Page 26: Checks And Precautions When Using Gas Cylinders

    2. Safety 2.12 Checks and precautions when using gas cylinders • Follow the manufacturer's instructions and consult local safety regulations. • Check that the gas cylinder is not damaged. • Check that the gas cylinder contains the correct shielding gas for the process. •...

  • Page 27: Maintenance Precautions

    2. Safety 2.13 Maintenance precautions • Maintenance must be performed by qualified personnel. • During maintenance, if unauthorized persons start the machine, there is a danger of serious personal injury or death. Do not allow unauthorized persons to approach the machine. • Stop the machine and turn the battery disconnect switch to off. • To avoid injury, do not perform maintenance with the engine running, if it is not necessary.

  • Page 28: Precautions For Disposal Of Waste Material

    2. Safety • Do not smoke, avoid open flames and sparks near the battery; exhaled vapours may cause the battery to ex- plode. D5260170 2.14 Precautions for disposal of waste material • Be sure to store the waste liquid in containers or tanks. • Do not discharge the oil directly into the soil or sewage system, rivers, seas or lakes.

  • Page 29: Technical Data

    3. Technical data Technical data Machine dimensions 1620 mm 800 mm D5264870...

  • Page 30: Technical Data

    3. Technical data Technical data Welding SMAW (Stick - Coated Electrode) - DC Direct Current GTAW (Tig - Tungsten Electrode) - DC Constant Current GTAW (Pulsed Tig - Tungsten Electrode) - DC Constant Current GOUGING - DC constant current GMAW (Mig - Solid wire) - DC constant voltage FCAW (Flux Cored Wire) - DC constant voltage Welding current range Dual station...

  • Page 31: General Specifications

    3. Technical data Engine Brand/Model YANMAR 3TNV88 Cooling system/type 4-stroke / water diesel Cylinders / Displacement 3/1.642 I (1642 cm Net stand-by power ( 26.8 kWm (36.4 HP) Net PRP power ( 24.0 kWm (32.6 HP) Speed 3000 rpm Fuel consumption (75% PRP) 5.3 ℓ/h Oil sump capacity (max.) 6.0 ℓ...

  • Page 32: Remote Control Connector Wiring Diagram (10-Pin)

    3. Technical data Remote Control connector wiring diagram (10-pin) Contacts Description Remote control - GND terminal (ground) REMOTE Remote control - terminal V check CONTROL Remote control - V terminal ref. Not used Reverse polarity control Reverse polarity control Enabling remote control Enabling remote control D5265100 Torch contact for STICK Contact and TIG Lift Arc Pulse...

  • Page 33: Description

    4. Description Description The engine driven welder is a machine that transforms the mechanical energy generated by a engine into a source of electrical energy suitable for arc welding processes. It can also supply three-phase and single-phase alternating current to power electrical equipment. Main components 4.1.1 External components D5265420...

  • Page 34: Internal Components

    4. Description D5264880 11 - Air intake grids 12 - Fuel tank cap 13 - Battery compartment access door 14 - Air ejection grid 15 - Coolant drain valve 16 - Liquid sealed base 4.1.2 Internal components D5265430 1 - Vibration dampers 2 - Fuel tank 3 - Alternator 4 - Engine air filter...
  • Page 35 4. Description D5264890 8 - Oil filler plug 9 - Auto Idle solenoid 10 - Fuel filter 11 - Oil level dipstick 12 - Oil filter 13 - Fuel supply pump 14 - Fuel pre-filter 15 - Parallel switching contactor D5264900 16 - Diode bridge 17 - Alternator excitation capacitors 18 - Welding level reactor 19 - Battery 20 - Battery disconnect switch...

  • Page 36: Control Panel And Electrical Panel Components

    4. Description 4.1.3 Control panel and electrical panel components D5264910 1 - EVO CONTROL MULTI4 welding control unit - Station 1 (Single) 2 - Auto Idle switch 3 - Engine control unit 4 - Engine control unit power switch (ON-OFF) 5 - Engine thermal protections 6 - EVO CONTROL MULTI4 welding control unit - Station 2 30mA Type A residual current circuit breaker for 110V socket...
  • Page 37 4. Description Australia version D5264920 1 - EVO CONTROL MULTI4 welding control unit - Station 1 (Single) 2 - Auto Idle switch 3 - Engine control unit 4 - Engine control unit power switch (ON-OFF) 5 - Engine thermal protections 6 - EVO CONTROL MULTI4 welding control unit - Station 2 Circuit breaker 2P 16A for 15A 230V sockets (No.
  • Page 38 4. Description D5264930 1 - VRD switch - Station 1 (Single) 2 - Current generation terminal board 3 - Current generation CT (current transformer) 4 - VRD switch - Station 2 5 - Welding current control board - Station 2 6 - Engine relay 7 - Engine terminal board 8 - Control board power pack...

  • Page 39: Installation

    5. Installation Installation WARNING • Before proceeding with the installation, carefully read section Safety - “2.6 Precautions for positioning the machine” and “2.7 Precautions during operation”. • The installation and the electrical connection described in this chapter are indicative. For these operations, it is necessary to contact Specialized Technicians who must issue the necessary certifications.

  • Page 40: Fixed Installation

    5. Installation D5264950 Fixed installation • Fix the machine on rigid pitches, isolated against vibrations coming from other structures and with a mass equal to at least three times the mass of the machine. This guarantees an adequate absorption of the vibrations produced by the machine. •...

  • Page 41: Grounding

    5. Installation Grounding Important • Comply with local and/or current regulations on installation and electrical safety. The grounding terminal is in the position shown in figure. D5264960 5.3.1 Grounding with residual current circuit breaker Connection to a grounding system is mandatory for all models equipped with a residual current circuit break- Use the grounding terminal for connection.
  • Page 42 5. Installation NOTES:...

  • Page 43: Operation

    6. Operation Operation WARNING • Before starting the machine, carefully read section "2. Safety". • It is forbidden to connect the machine to the public grid and/or other source of electricity. • Continuous operation at low load In general, all machinery (in particular those equipped with motors with after-treatment devic- es) must operate with a load (i.e.
  • Page 44 6. Operation 1 - Check that the welding cables are not plugged into the sockets (2) or that there is no electrical contact between the components of the external welding circuit (elec- trode, electrode holder, workpiece, etc.). When the engine is started, the welding circuit is immedi- ately operational, i.e.

  • Page 45: Stopping The Engine

    6. Operation Stopping the engine 1 - Stop the welding process. 2 - Turn off the loads connected to the machine. 3 - Set the residual current circuit breaker(s) (4) to OFF (insertion lever downwards). D5265000 D5265081 4 - Press the stop button (8) on the engine control unit to start the motor stop sequence.

  • Page 46: Auto Idle

    6. Operation Auto Idle Important • Run the engine for the time indicated in the table below before drawing power to supply loads. Ambient temperature Time required – -10°C 2 minutes -9°C – -5°C 1 minute ≤ -4°C 20 seconds The 'Auto Idle' function is used to reduce the number of rev- AUTO IDLE olutions when the machine is not welding and no loads are connected and therefore no energy is required.

  • Page 47: Welding

    • Do not use TS 2x280 EVO MULTI4 to defrost pipes. The machine model TS 2x280 EVO MULTI4 is a multi-process engine driven welder that supplies welding current in all permissible welding processes. Constant Direct Current Processes (CC Constant Current): •...

  • Page 48: Welding Cables

    6. Operation 6.6.3 Welding cables • The welding cable cross-section depends on the welding current used, the duty cycle and the distance between the welding machine and the welding position. The following table gives the cross-section of the copper cables to be used under different conditions. Cross-section sq. mm Cross-section sq. mm Cable Length 300A @ 60% 500A @ 60% Up to 20m 50 sq.

  • Page 49: Single/Dual Workstation Selector

    6. Operation • The VRD function can be disabled by changing the settings in the EVO CONTROL MULTI4 control unit soft- ware (see "6.8 EVO CONTROL MULTI4") or by acting on the VRD switch located inside the electrical box. ◦ Pos. ON (lever up): VRD activated ◦...

  • Page 50: Duty Cycle

    6. Operation Duty cycle WARNING • If the declared time or current values of the duty cycle are exceeded, the machine could be irreparably damaged. The duty cycle is the percentage of time for which it is possible to weld, at the declared welding current, in a 10 minute period.

  • Page 51: Secondary Parameters

    6. Operation Secondary parameters It is possible to change certain parameters that have a smaller impact on welding than the main parameters. For STICK welding, the secondary parameters are: • VRD on/off • HOT START % current • HOT START time For the characteristics and settings of these parameters see "6.8.1 Stick and Stick Contact". Anti-Stick Function The Anti-Stick function makes it easier to remove the electrode from the workpiece in the event of electrode sticking, by preventing the welding circuit from overheating due to the persistence of the short-circuit current.
  • Page 52 6. Operation Connection to the external polarity inversion Box PL400 The external polarity inversion box PL400 can only be connected in STICK welding mode. The polarity reverser allows the polarity of the welding output sockets to be reversed without having to switch off the machine to manually reverse the welding cables connected to the sockets.
  • Page 53 6. Operation PL400 polarity inversion operation Polarity inversion with the PL400 Box can only be performed under the following operating conditions: • The Auto Idle switch is in the RPM MAX position. • The machine is switched on. 4 CONTROL 0000 0070 • The machine has no load (welding current). • The left-hand display (or displays) of the EVO CON- TROL MULTI4 control units shows the current 0.
  • Page 54 6. Operation Connections 1 - The operations must be carried out after the machine has been stopped 2 - Insert the plug of the TIG welding torch into the welding socket (1) (-), turning clockwise to lock it. 3 - Mount the welding torch according to the torch operating instructions.
  • Page 55 6. Operation Welding arc striking 1 - Set the Auto Idle selector to the RPM MAX position. 2 - Open the gas valve of the TIG torch. 3 - Scratch the tip of the tungsten electrode on the workpiece to generate the striking. 4 - Slowly disconnect the TIG torch and proceed with welding.

  • Page 56: Cv Constant Direct Current Voltage Processes

    6. Operation Torch button connection for TIG Lift Arc Pulse To use the machine in TIG Lift Arc Pulse mode, the torch button must be connected to the machine. REMOTE WIRE CONTROL FEEDER 1 - Connect the torch button to either one of the REMOTE CONTROL (10-pin) or the WIRE FEEDER (14-pin) con- nectors on the I and J contacts.
  • Page 57 The connection must be carried out after the machine has been switched off. • MOSA WF-4 wire feeder 1 - Connect the welding cable between the (+) welding socket on the machine and the socket on the rear of the wire feeder (20 m - 50 mm cable supplied with the WF-4 wire feeder).
  • Page 58 Note Mig/Flux Mig/Flux STICK Cored Cored Contact Scratch Arc • When using the MOSA WF-4 wire feeder, the voltage Contact WS 1 setting is automatically switched on the potentiometer of Lift Arc STICK Pulse WS 2 the wire feeder. •...

  • Page 59: Evo Control Multi4

    6. Operation EVO CONTROL MULTI4 EVO CONTROL MULTI4 is the new panel for MOSA engine driven welders. It gives the user control over every parameter: • Welding voltage • Welding current • Arc force • Striking voltage • Current rise and fall time • Frequency during pulsed Tig EVO CONTROL MULTI4 exploits the potential of a 32-bit microcontroller to detect all welding parameters and control them.

  • Page 60: Mig/Flux Cored - Mig/Flux Cored Contact

    6. Operation 6.8.2 Mig/Flux Cored - Mig/Flux Cored Contact Secondary parameters • HOT START time This secondary parameter sets the duration of the HOT START between 0.5s and 3s. WELDING SETs There are three Welding Sets for Mig/Flux Cored e Mig/Flux Cored Contact with the following default param- eters: Primary parameters Secondary parameters...

  • Page 61: Tig Lift Arc Pulse

    6. Operation 6.8.4 TIG Lift Arc Pulse In the PULSED TIG welding mode, the arc current can be reduced for a short time to allow the heat of the weld pool to decrease. Different current patterns at different pulse frequen- Current trend in classic and pulsed TIG cies Classic Tig Pulsed 20 Hz...

  • Page 62: Primary Parameters

    6. Operation • Negative ramp time Indicates how long it takes for the current to drop when the torch button is released. The parameter has a range between 3 and 8 seconds. • Negative ramp end current Indicates the current that is set at the end of the current turn off ramp for 2 seconds. The parameter has a range between 20A and 100A. •...

  • Page 63: Leds And Buttons

    6. Operation 6.8.5 LEDs and buttons 4 CONTROL 0000 0000 Mig/Flux Mig/Flux STICK Cored Cored Contact Scratch Arc Contact WS 1 Lift Arc STICK Pulse WS 2 WS 3 D5265210 (1) VRD LED. For details on VRD operation see "6.6.4 VRD (Voltage Reduction Device) function". (2) LED display 1 These LEDs light up to indicate the type of parameter shown on display 1 (3) LED display 2...

  • Page 64: Changing Parameters And Saving To Memory

    6. Operation • WS3. Pressing for less than 3 seconds uploads Welding Set 3 parameters for the selected weld type. When the button is pressed for 3 to 7 seconds, the corresponding LED flashes rapidly and the new parameters entered are saved when the primary and secondary parameters in the memory are changed. When the button is pressed for more than 7 seconds, the corresponding LED flashes briefly and the primary and secondary parameters are accessed for modification. Note Pressing the WS3 button for more than 7 seconds also gives access to the parameters of welding set 1 (WS1) and welding set 2 (WS2).

  • Page 65: Error Table

    6. Operation 6 - Use the knob (8) to change the value shown on display 4 CONTROL 7 - Display (4) shows the value currently set on WS1 of the first primary parameter Welding current (100A). Display (5) shows the value currently set on WS1 of the second primary parameter Arc Force (30%).

  • Page 66: Firmware Update

    6. Operation Code Description Solution The calibration parameter entered exceeds the PARAMETER-OUTOFRANGE threshold The rtcram parameter entered exceeds the PARAMETER-OUTOFRANGE threshold The tuning parameter entered exceeds the PARAMETER-OUTOFRANGE threshold The operator parameter entered exceeds the PARAMETER-OUTOFRANGE threshold SLAVE BUSY Slave in use when dual mode is requested SLAVE ALARM Presence of alarms on the slave Error reset...

  • Page 67: Simultaneous Use Of Welding And Auxiliary Current Generation Functions

    6. Operation Simultaneous use of welding and auxiliary current generation functions The welding currents indicated in paragraph "3. Technical data" refer to the absence of electrical power sup- plied; similarly, the declared electrical power refers to the absence of welding current supplied. If welding and auxiliary current generation are used simultaneously, refer to the operating limits for the en- gine driven welder, shown in the following table.

  • Page 68: Operating Conditions

    6. Operation 4 - Set the Auto Idle switch (3) to the RPM MAX position. 5 - Check the operation of the machine's electrical safety device, residual current circuit breaker or insulation mon- AUTO IDLE itor located under the protective cover (2), by pressing 4 CONTROL 4 CONTROL the TEST button on the device and checking that the...

  • Page 69: Starting Motors

    6. Operation ditions, the accuracy is maintained within ±1 %. • For 50Hz generators, the no-load frequency is 52-52.5 Hz • For 60Hz generators, the no-load frequency is 62.5-63 Hz. In some engines or for special requirements, the speed controller is electronic. In this case, the accuracy under static operating conditions reaches ±0.25% and the frequency remains con- stant from no-load to load operation (isochronous operation). Always check that the supply frequency of the electrical equipment to be powered, particularly motors, is compatible with the declared frequency of the machine and has a working range of at least ± 5% of its rated supply frequency.

  • Page 70: Connectable Electrical Devices

    6.10.3 Connectable electrical devices WARNING • MOSA, a division of BCS S.p.A., shall not be held responsible for any damage caused by elec- trical components incorrectly connected to this machine. This machine is not suitable for powering certain electrical devices.

  • Page 71: Electrical Protection

    6. Operation 6.11 Electrical protection 6.11.1 Machine's main switch These machines are manufactured with a three-phase asynchronous alternator and do not require electrical protection against short circuits and overcurrents, as the alternator protects itself by de-energising and the voltages generated by the asynchronous alternator cancel each other out. The function of the main circuit breaker is taken over by the residual current circuit breaker.

  • Page 72: Circuit Breaker

    6. Operation • If the isolation resistance drops further below the alarm value threshold, the Alarm led (5) turns on, along with the contact of the Alarm switch relay. • After checking the system and removing the cause of the problem, reset the circuit by pressing the reset button (7).

  • Page 73: Troubleshooting

    6. Operation 6.12 Troubleshooting Important • Service and repairs may only be carried out by the Technical Support Service or Authorised Service Centres. • Unauthorised repairs carried out on this machine may endanger people and invalidate the warranty. This troubleshooting guide is provided to assist the technician in locating, identifying and repairing any ma- chine malfunctions.
  • Page 74 6. Operation Issue Possible cause Solution The engine does not • In the absence of load • Check the position of the Auto Idle accelerate switch Unsteady speed • Fault in the Auto Idle system • Check and repair or replace. •...

  • Page 75: Welding Circuit

    6. Operation 6.12.2 Welding circuit Issue Possible cause Solution No voltage on welding • Welding mode selector switch on • Close the torch contact sockets. EVO MULTI4 control panel in posi- tion: - STICK Contact - Mig / Flux Cored Contact - TIG Lift Arc Pulse No current during weld- •...
  • Page 76 6. Operation Issue Possible cause Solution Incorrect operation • Defective PL400 inversion box con- • Repair or replace. of the PL400 Polarity nection cable Inversion Box • Faulty reversing contactor • Replace • Defective PL400 inversion box • Replace No welding current and •...

  • Page 77: Ac Auxiliary Current Circuit

    6. Operation 6.12.3 AC auxiliary current circuit Issue Possible cause Solution No voltage on output • Machine’s main switch open, OFF • Check and close the switch, set to sockets position • Residual current circuit breaker • Check connected devices for insula- tripped tion defects that cause ground fault currents.
  • Page 78 6. Operation NOTES:...

  • Page 79: Maintenance

    7. Maintenance Maintenance WARNING • Before proceeding with maintenance, carefully read section “2. Safety”. Refuelling Use fuel, coolant and lubricants according to the ambient temperature. 7.1.1 Fuel The fuel must comply with EN590 and ASTM D975. The cetane number of the fuel should be at least 45. In order to ensure an efficient and long service life of the engine, the fuel must be sulphur-free diesel fuel: •...

  • Page 80: Engine Oil

    7. Maintenance 7.1.2 Engine oil • To ensure adequate protection of the engine and keep it efficient for a long time, use only the recom- mended oil. Using different oils can reduce the life of the engine. • The viscosity must be appropriate to the ambient temperature. • The oil to be used must comply with the following specifications: CJ-4 Low S.A.P.S ACEA E6 Low S.A.P.S. Low S.A.P.S. (low sulphated ash, phosphorus, sulphur oil) keeps the catalyst in good working condition. SAE oil classification In the SAE classification, oils are identified according to the viscosity.

  • Page 81: Coolant

    7. Maintenance 7.1.3 Coolant The engine cooling system is fuelled with OAT: ENI ANTIFREEZE SPEZIAL coolant, mixed at 50% with dem- ineralised water. It is recommended to continue using the same coolant. If the type of coolant is changed for refuelling, the system must be thoroughly washed. By mixing with each other, the residues of additives of different types contained in the different liquids would create gelatinous substances that could obstruct the system. Use a mixture of 50% demineralised water and 50% low silicate ethylene glycol coolant.

  • Page 82: Checking And Cleaning The Engine Air Filter

    7. Maintenance 2 - Remove the cap (2) and pour the coolant into the radia- tor. 3 - Top up the liquid until it covers the pipes inside the radia- tor by about 5 mm. Note • Do not overfill the radiator; allow room for coolant expan- sion. D5265390 4 - Refit the cap (2) and tighten securely.

  • Page 83: Routine Maintenance

    7. Maintenance Routine maintenance Note For engine maintenance, refer to the engine maintenance manual. Every day • Check coolant level • Check engine oil level • Check fuel level • Check for sediment and water in fuel filter/separator After the first 50 hours • Check cooling fan belt •...

  • Page 84: Disposal

    7. Maintenance • Use qualified personnel to carry out the operations necessary for storage. • For the correct engine storage, follow the instructions in the manual or contact the engine manufacturer's Technical Support. Disposal WARNING • Before refuelling, read “2.14 Precautions for disposal of waste material” and “2.15 Disposal of the machine”.
  • Page 86 MOSA div. della BCS S.p.A. Viale Europa, 59 20047 Cusago (Milano) Italy Tel.+39 - 0290352.1 Fax +39 - 0290390466 www.mosa.it...

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