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STATE OF THE ARC PLASMA CUTTING TECHNOLOGY INSTRUCTIONS FOR USE UNIFIRE 26C MANUAL PORTABLE PLASMA CUTTING SYSTEM WITH BUILT IN COMPRESSOR TO THE OPERATOR: PLEASE READ AND UNDERSTAND THIS MANUAL BEFORE USING THE SYSTEM. IT IS ABSOLUTELY VITAL TO KNOW THE INFORMATION PRESENTED IN THIS MANUAL IN ORDER TO USE THE MACHINES IN THE BEST WAY.
UNIFIRE 1. Technical data Unifire 26C Power supply 230 V, 1~50 Hz Mains fuse 16 A slow blow Maximum power 3,5 kVA Process power 95 V, 5-25 A Duty cycle @ 40°C Power factor 0,95 Open circuit voltage 424 VDC...
UNIFIRE 3. Operating instructions Check that the machine has been properly connected to power supply. Check that the torch is fitted with appropriate consumables for the job at hand. Connect the earth lead clamp directly at the work piece, ensuring that a good contact is obtained.
Mount the electrode (1/2) with the special tool. Mount the swirl ring (3) and the nozzle (4/5). Mount the protective cap (6). Switch the machine on. Part. No Denomination 454057 UNIFIRE 26C med 4 m PTA 25 899315 Torch body PTA 25 899302 Electrode 899304 Swirl ring 899305 Nozzle 0.65 5-20A...
UNIFIRE 5. MAINTENANCE DAILY Inspect and, if necessary, change the torch consumable parts. Carefully inspect the hose assembly and torch body with regard to any leak or damage. Never use a damaged torch. EVERY SIX MONTHS Disconnect the machine from electicity. Remove the cover. Clean the machine with dry, clean and oil free compressed air.
UNIFIRE 6. TROUBLE SHOOTING. The machine delivers no power. The thermal protection of the Wait until the end of the cooling The green working indicator is plasma unit is on. phase. on. The thermal protection indicator is continuously on. The machine delivers no power. The input voltage is higher than Check your electrical network or The green working indicator is...
UNIFIRE 7. SAFETY INSTRUCTIONS All endangerments through plasma cutting are related with the process itself. Endangerments may occur due to: High contact voltage HV ignition Electromagnetic interferences Heat and light radiation Gases, fumes and smoke Noise Hot metal and spatter Handling of pressure cylinders The Plasma Cutting Machine has been developed in conformity with following standards: •...
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UNIFIRE Therefore the power source is marked with the S-sign and operation under enhanced electrical endangerment is allowed. Attention! Always follow the local safety rules! Endangerment through high voltage (HV) A HV-igniter starts the pilot arc. The HV-supply is cut-off automatically after pilot arc has struck.
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UNIFIRE Screening of mains cable of the plasma installation (safe contact between screen and housing required) Constant maintenance Always keep cover plates and doors of the plasma machines closed Avoid excessive length of cutting cables Arrange potential equalisation between metallic parts around the installation (the operator has to be insulated from those parts) Earthing of the work piece Selective screening of other cables and installations...
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UNIFIRE Endangerment through spatter During plasma cutting sparks, slag and hot metal are produced. The risk of burns and fire exists! To avoid these endangerments the following has to be advised: remove all potential flammable materials from cutting area, at least in a 10 m distance cool down freshly cut material before handling make fire extinguisher available in the cutting area Handling of pressure cylinders...
UNIFIRE 8. WARRANTY SPT Plasmateknik AB grants a warranty for its products. The warranty covers damage caused by faulty raw material or production errors. A faulty part will be replaced by a new one, or, if possible, we will repair the faulty part without cost.
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