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Summary of Contents for Clarke 30SI
- Page 1 PLASMA CUTTER MODEL NO: 30SI PART NO: 6016010 OPERATION & MAINTENANCE INSTRUCTIONS LS1208...
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Page 3: Introduction
INTRODUCTION Thank you for purchasing this CLARKE Plasma Cutter. Before attempting to use this product, please read this manual thoroughly and follow the instructions carefully. In doing so you will ensure the safety of yourself and that of others around you, and you can look forward to your purchase giving you long and satisfactory service. -
Page 4: Table Of Contents
TABLE OF CONTENTS INTRODUCTION..............3 GUARANTEE ..............3 PARTS AND SERVICING ........... 3 TABLE OF CONTENTS............4 SAFETY RULES AND GENERAL WARNINGS...... 5 EMC .................. 6 SAFETY DEVICES............... 7 SAFETY EQUIPMENT............8 SYMBOLS ................9 ELECTRICAL CONNECTIONS ........... 10 PRINCIPLES OF OPERATION ..........11 PARTS IDENTIFICATION ............ -
Page 5: Safety Rules And General Warnings
SAFETY RULES AND GENERAL WARNINGS INTRODUCTION Your plasma cutting unit is fitted with sophisticated safeguards which block functioning and therefore the cutting operations until all the safety conditions are present. The plasma cutting technique requires dangerously high voltage for pilot arc starting and during cutting, therefore the following safety rules must be observed with great care. -
Page 6: Emc
When working in enclosed environments, suction units should be fitted below the cutting areas. CAUTION: WHEN HALOGENATED SOLVENTS OR DEGREASING AGENTS ARE PRESENT, THE MATERIAL TO BE CUT SHOULD BE CLEANED PROPERLY TO PREVENT THE FORMATION OF TOXIC GASES. SOME CHLORINATED SOLVENTS MAY DECOMPOSE IN THE PRESENCE OF THE RADIATION GIVEN OUT BY THE ARC AND MAY GENERATE PHOSGENE GAS. -
Page 7: Safety Devices
Interference can be reduced in the following ways: 1. If there is interference in the power supply line, an E.M.C. filter should be inserted between the mains and the unit. 2. The output cables of the unit should be shortened; these should be kept close together and stretched along the ground. -
Page 8: Safety Equipment
SAFETY EQUIPMENT EYE AND BODY PROTECTION One of the hazards during the welding/cutting process is the emission of electromagnetic waves due to the electric arc. The length of these waves ranges from infrared to ultraviolet. If these rays hit the eyes, they can cause various complaints such as conjunctivitis, burns to the retina, deterioration of sight, etc. -
Page 9: Symbols
SYMBOLS The following symbols appear on your Plasma Cutter: Caution Read the Instruction Manual Mains Supply Plasma Cutting Thermal Protection Device Under Pressure Protection Device... -
Page 10: Electrical Connections
We recommend that this machine is connected to the mains supply via a Residual Current Device (RCD) If in any doubt, DO NOT attempt any connections or repairs yourself. Consult a qualified electrician, your local Clarke dealer or Clarke International on: 020 8988 7400 or e-mail Service@clarkeinternational.com... -
Page 11: Principles Of Operation
PRINCIPLES OF OPERATION WHAT IS PLASMA CUTTING Plasma Cutting is a fast, clean and distortion free, means of cutting through all types of metal from mild and stainless steels to aluminium brass and copper. • An inert gas (compressed air) is blown at high speed out of the nozzle;... -
Page 12: Parts Identification
PARTS IDENTIFICATION ON/OFF Switch Output Adjusts the cutting current supplied by the machine current knob according to the thickness of material/speed. Green LED Turns ON when input voltage is applied blinks slowly when voltage goes above 260V, or below 180V. Red LED Turns ON when torch is triggered. -
Page 13: Compressed Air
COMPRESSED AIR A source of clean, dry air or nitrogen must be supplied to your plasma cutting unit. The supply pressure must be: • Between 72.5 and 150 psi (5 and10.3 bar). • The supply must also have a flow rate of approximately 3.5 cu.ft./ min. -
Page 14: Using The Plasma Cutter
5. Turn the air regulator (on the plasma cutter) anticlockwise to a pressure of 4.5 bar. 6. When the pressure is set, lock the knob in position, by pushing it in. 7. Fasten the earth clamp to the workpiece. If a metal bench is being used, make sure it has also been connected to earth. - Page 15 CUTTING 1. With the torch in starting position, activate the torch trigger button. • The unit will initiate gas purge (pre-flow) to remove any condensation that has accumulated in the torch • When the gas purge is complete, pilot arc will come on and stay on until the main cutting arc starts.
- Page 16 PIERCING WITH A HAND TORCH NOTE: Recommended maximum piercing capacity is 2mm. If you need to make a cut on a metal sheet which has a sickness of more than 2mm without an edge start, make a hole ø 6mm using an electric drill before you start cutting.
- Page 17 SHUTTING OFF THE PLASMA CUTTER • To stop cutting remove the torch from the workpiece. To extinguish the pilot arc release the trigger. NOTE: When the trigger is released, compressed air will continue to flow for a short period of time, in order to cool the torch. Do not switch off the machine until the air has stopped flowing or damage may occur to the torch.
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Page 18: Potential Problem During Use
POTENTIAL PROBLEM DURING USE Insufficient 1. Cutting speed too high. penetration 2. Torch is tilted. 3. Workpiece is too thick. 4. Cutting current is too low. 5. Torch parts are worn out. Interruption of the 1. Cutting speed too slow; cutting arc 2. -
Page 19: Maintenance
MAINTENANCE CAUTION: BEFORE PERFORMING ANY MAINTENANCE ON THE PLASMA CUTTER LET IT COOL. TORCH To replace the consumables in the torch: 1. Unscrew the shield cup from the torch head assembly. • Clean the shield cup thoroughly and replace if it is damaged (burns, distortions or cracks). - Page 20 The drain knob should be closed during cutting operations (position 2 or 3). REPLACING THE AIR FILTER The air filter and air filter cartridge can only be replaced by a qualified service engineer, contact your nearest Clarke service department See page 3.
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Page 21: Trouble Shooting
(72.5 PSI) during purge or pre-flow, adjust air pressure to 4,5 Bar (65 PSI). 2. Air filter or air line blocked, torch blocked. Contact your clarke service department to replace the filter cartridge. Check that air line and torch leads are free of twists and kinks. -
Page 22: Specifications
Duty Cycle Current 28 Amps 100% 12 Amps Please note that the details and specifications contained within, are correct at the time of going to print. However, CLARKE International reserve the right to change specifications at any time without prior notice. -
Page 23: Exploded Diagram & Parts Lists
EXPLODED DIAGRAM & PARTS LIST DESCRIPTION PART NO NO DESCRIPTION PART NO CABLE CLAMP EM21605040 PLASMA TORCH EM23010070 NUT FOR CABLE EM21605041 CABLE CLAMP + NUT EM21605039 CLAMP REGULATION EM77650146 EARTH CABLE EM43210150 PLATE ADHESIVE LABEL EM77650147 EARTH CLAMP EM22110007 POTENTIOMETER EM21690308 PCB FRONT PANEL... -
Page 24: Torch Exploded Diagram & Parts List
TORCH EXPLODED DIAGRAM & PARTS LIST DESCRIPTION PART NO TORCH HEAD PLASMA PT-40 EM23015190 ELECTRODE FOR PT-25C-40-60 52582 EM23015187 AIR DIFFUSER EM23015179 TIP D.0,8 (20-30A)FOR PT-40 EM23015186 TIP D.0,65 (10-20A)FOR PT-40 EM23015189 OUTSIDE PROTECTION NOZZLE (6 HOLES) EM23015188 WRENCH FOR ELECTRODE EM23015193 HANDLE + MICROSWITCH EM23015184... -
Page 25: Wiring Diagram
WIRING DIAGRAM... -
Page 26: Declaration Of Conformity
DECLARATION OF CONFORMITY... -
Page 27: Notes
NOTES...
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