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Multiprocess 175
Operating Manual

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Summary of Contents for Rival multiprocess 175

  • Page 1 Multiprocess 175 Operating Manual...
  • Page 2: Welcome To A Better Way Of Welding

    Multiprocess 175. Operating manual. Welcome to a better way of welding. Congratulations on purchasing the Ryval Multiprocess 175 welding machine. The products in Ryval’s manual metal arc range perform with reliability and have the backing of one of the world’s leading suppliers of welding products.
  • Page 3: Table Of Contents

    Multiprocess 175. Operating manual. Multiprocess 175. Operating manual. Contents. Page Page Page Welcome to a better way of welding 4. Manual Metal Arc Welding (MMAW) 10. Technical specifications 4.1 Introduction 1. Recommended safety precautions 11. Troubleshooting guide 4.2 Process 4.3 Welding machine 1.1 Health hazard information...
  • Page 4 Multiprocess 175. Operating manual. Multiprocess 175. Operating manual. 1. Recommended safety precautions. 1.4 Electrical shock 7. Keep full and empty cylinders separate. 8. Keep ammonia-based leak detection solutions, oil and grease away from cylinders and valves. → Never touch ‘live’ electrical parts 9.
  • Page 5: Metal Inert Gas & Metal Active Gas

    Multiprocess 175. Operating manual. Multiprocess 175. Operating manual. 2. Metal Inert Gas & Metal Active Gas arc Typical MIG/MAG set up Extended self shielded flux-cored wire nozzle Torch, Torch trigger, Shroud, Gas diffuser, Contact tip, Welding wire, welding (MIG/MAG). Shielding,...
  • Page 6 Multiprocess 175. Operating manual. Multiprocess 175. Operating manual. Process schematic diagram for MIG/MAG, FCAW and MCAW Schematic of dip transfer Gas cylinder, Gas hose, Continous wire, Wire feed unit, Power cable, Torch conduit, Welding torch, Arc, Workpiece, Earth clamp, Return cable,...
  • Page 7 Multiprocess 175. Operating manual. Multiprocess 175. Operating manual. Schematic of globular transfer Schematic of spray transfer Typical metal transfer mode Large droplet, Splatter, Workpiece Gas shroud, Wire, Shielding gas, Droplets, Weld, Workpiece Globular Spray Process transfer transfer transfer Metal Inert Gas (MIG)
  • Page 8 Multiprocess 175. Operating manual. Multiprocess 175. Operating manual. 3. Gas Tungsten Arc Welding (GTAW/TIG). Cast and helix Cast Helix Cast – Diameter of the circle, Helix – Vertical height 3.1 Introduction Shielding gas is directed into the arc area by the welding torch and a...
  • Page 9 Multiprocess 175. Operating manual. Multiprocess 175. Operating manual. DCEN – Narrow bead, deep penetration DCEP – Wide bead, shallow penetration Nozzle Nozzle 3.5 Consumable selection Filling rod Ions Electrons Ions Electrons Filler rod diameter (mm) Thickness of metal (mm) 0.5–2 2–5...
  • Page 10 The essential difference between these two power sources is that, in the For example, the Smootharc Multiprocess 175 connects to 240 volt deposited. case of DC, the current remains constant in magnitude and flows in the supply (15 amps Input), has an output of 175 amps DC @ 35% duty same direction.
  • Page 11: Types Of Joints

    Multiprocess 175. Operating manual. Multiprocess 175. Operating manual. 5. General welding information. 5.1 Recommended welding parameters for MIG/MAG Correct work preparation The method of preparation of components to be welded will depend on equipment available and relative costs. Methods may include sawing, ARGOSHIELD LIGHT™...
  • Page 12: Multiprocess 175 Installation

    7. Multiprocess 175 installation. Package contents 7.1 Installation for MIG/MAG process Installation for MIG/MAG process → Multiprocess 175 arc welding machine 1. Connect the gas cylinder to the regulator. Select correct shielding gas → Power cable for the application. → Earth clamp and return lead 2.
  • Page 13: Installation For Mma Process

    Multiprocess 175. Operating manual. Multiprocess 175. Operating manual. 8. Control panel. Installation for TIG process Installation for MMA process Front panel of Multiprocess 175 Multifunctional data display, MMA/LIFT TIG/MIG, Wire speed, VRD/2T/4T switch, Data selection, Multifunctional data adjustment 7.2 Installation for TIG process 7.3 Installation for MMA process...
  • Page 14: Multiprocess 175 Operation

    Multiprocess 175. Operating manual. Multiprocess 175. Operating manual. 9. Multiprocess 175 operation. Fig. 1. Start-up display Fig. 2. MMA mode – VRD enabled Fig. 5. Lift TIG mode – Current preset Fig. 6. Lift TIG mode – Status when welding is performed Fig.
  • Page 15: Operation Instruction Under Mig Mode

    Multiprocess 175. Operating manual. Multiprocess 175. Operating manual. Fig. 8. MIG mode – Preset voltage Fig. 9. MIG mode – Wire check Fig. 10. MIG mode – Fine adjustment of voltage range Fig. 11. MIG mode – Fine adjustment of inductance presetting range 9.6 Operation instruction under MIG mode...
  • Page 16: Technical Specifications

    Multiprocess 175. Operating manual. Multiprocess 175. Operating manual. 10. Technical specifications. 11. Troubleshooting guide. 11.1 TIG/MMA functions Specifications Multiprocess 175 Part no. RYVAL 175 MULTI Power voltage Single phase 240V ±15% Problem Cause Solution Frequency 50/60Hz Excessive electrode Inadequate gas flow...
  • Page 17: Mig/Mag Functions

    Multiprocess 175. Operating manual. Multiprocess 175. Operating manual. 11.2 MIG/MAG functions Problem Cause Solution Porosity in weld Entrapped impurities, hydrogen, air, nitrogen, water vapour Do not weld on wet material. Remove condensation from deposit line with adequate gas pre-flow time...
  • Page 18: Periodic Maintenance

    Multiprocess 175. Operating manual. Multiprocess 175. Operating manual. 12. Periodic maintenance. WARNING 12.1 Daily maintenance Regulator/flowmeter Component Fault symptom Cause Only authorised electricians should carry out repairs and internal Perform the following maintenance daily: Inlet stem No gas flow, gas leaks at regulator body or Blocked inlet stem, leaking inlet stem to body servicing.
  • Page 19: Warranty Information

    → Repair or replace defective cables immediately. → Keep fire extinguishing equipment at a handy location in the shop. The Multiprocess 175 machine has a limited warranty that covers The warranty is valid for 12 months from the date of purchase provided →...
  • Page 20 Multiprocess 175. Operating manual. Multiprocess 175. Operating manual. Notes. Notes.
  • Page 21 Customer Service Centre, Priestley Road, Worsley, Manchester M28 2UT custserv@boc.com The stripe symbol and the letters BOC are registered trade marks of The BOC Group Limited. Both BOC Limited and The BOC Group Limited are members of The Linde Group, the parent company of which is Linde AG. Reproduction without permission is strictly prohibited. © BOC Limited 2014...

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