Kemppi KEMPOWELD WIRE 200 Operation Instructions Manual
Also see for KEMPOWELD WIRE 200: Technical & service manual
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KEMPOWELD WIRE 200 / 0546 – 9© KEMPPI OYABCDEFG5.8. SHIELD GASHandle gas bottle with care. There is a risk for injury if gas bottle or bottle valve is damaged!For welding stainless steels, mixed gases are normally used. Check that the gas bottle valve is suitable for the gas.The flow rate is set according to the welding power used in the job. A suitable flow rate is normally 8 - 10 l/min.If the gas flow is not suitable, the welded joint will be sporous. Contact your local Kemppi-dealer for choosinggas and equipment.5.8.1. Installing gas bottleAlways fasten gas bottle properly in vertical position in a special holder on the wall or on a carriage.Remember to close gas bottle valve after having finished welding.Parts of gas flow regulatorA Gas bottle valveB Press regulation screwC Connecting nutD Hose spindleE Jacket nutF Gas bottle pressure meterG Gas hose pressure meterThe following installing instructions are valid for most of the gas flow regulator types:1. Step aside and open the bottle valve (A) for a while to blow out possible impurities from the bottle valve.2. Turn the press regulation screw (B) of the regulator until no spring pressure can be felt.3. Close needle valve, if there is one in the regulator.4. Install the regulator on bottle valve and tighten connecting nut (C) with a wrench.5. Install hose spindle (D) and jacket nut (E) into gas hose and tighten with hose clamp.6. Connect the hose with the regulator and the other end with the wire feed unit. Tighten the jacket nut.7. Open bottle valve slowly. Gas bottle pressure meter (F) shows the bottle pressure. Note! Do not use thewhole contents of the bottle. The bottle should be filled when the bottle pressure is 2 bar.8. Open needle valve if there is one in the regulator.9. Turn regulation screw (B) until hose pressure meter (G) shows the required flow (or pressure). When regulatingflow amount, the power source should be in switched on and the gun switch pressed simultaniously.Close bottle valve after having finished welding. If the machine will be out of use for a long time, unscrew thepressure regulation screw.6. CONTROL PANELS AND ADJUSTMENTS6.1. WIRE FEED SPEED POTENTIOMETERThe wire feed speed is adjusted with the potentiometer on the front panel, see the chapter Panels. The potentiometerhas a memory scale for max. speeds of 18 m/min.6.2. BURN BACK TIMEDifferent filler materials and shielding gases behave in different ways in the completion of welding. The weldingcurrent should be selected for a burn back time suitable for the welding work.If you try to cease welding with an unsuitable burn back time, the wire will burn in the contact tip, there will be atoo large amount of wire at the wire end, or the wire will stick at the stopping point.Factors influencing the delay:The requred burn back time depends a lot of the wire feed speed. For low wire feed speeds always select a shortburn back time. |
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