Kemppi KEMPOWELD WIRE 200 Operation Instructions Manual
Also see for KEMPOWELD WIRE 200: Technical & service manual
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8 – KEMPOWELD WIRE 200 / 0546 © KEMPPI OY5.3. MOUNTING AND LOCKING WIRE REEL– Release locking nails of wire reel hub by turning locking knobto the position OPEN.– Put the reel at its place. Note the rotating direction of reel!– Turn locking knob to the position LOCKED.Check filler wire reel for no protruding parts, which could e.g. chaff against chassis or wire feed unitdoor. Dragging parts could expose chassis of wire feed unit under voltage.5.4. AUTOMATIC WIRE FEED TO GUNAutomatic wire feed makes the change of wire reel quicker. The pressure on feed rolls need not be released andfiller wire goes automatically to correct wire line.– Make sure that the groove of feed roll matches the diameter ofwelding wire used. Feed roll groove is selected by moving thegroove selection washer. Also the selector plate for changingthe feed roll groove has to be moved similarly. (see table onpage 4).– Release the wire end from the reel and cut off the bent length.Be careful that the wire does not spill from the reel to the sides!groove selecting washer– Straighten approximately 20 cm of the wire. Ensure that the wire end has no sharp edges, if necessary filethem off. A sharp edge may damage the wire guide tube and contact tip of welding gun.– Draw a piece of loose wire from wire reel. Feed wire through back liner to feed rolls. Do not release thepressure of the feed rolls!– Press the gun switch or wire inch switch and feed a piece of wire through feed rolls to the gun. Ensure thatwire is in the grooves of both feed rolls!– Hold down the switch until the wire has come through the contact tip.Automatic feed may sometimes fail with thin wires (Fe, Ss: 0,6...0,8 mm, Al, Fc: 0,8...1,0 mm). In this case,open feed rolls and feed the wire through manually.5.5. ADJUSTING PRESSUREAdjust the pressure of feed rolls with control screw, so that the wire is fed into the wire guide tube evenly, andallows a little braking when coming out from the contact tip, without slipping on the feed rolls.Excessive pressure causes flattening of the filler wire and damage to the coating. It also causes frictionand undue wear of the feed rolls.5.6. ADJUSTING THE TIGHTNESS OF WIRE REEL BRAKEBrake force is adjusted through a hole in the locking deviceof reel hub by tightening/loosening the adjustment screw witha screwdriver.Adjust the brake force so big that the wire does not slip fromthe full reel when the reel stops rotating. The need for brakeforce is increased with wire feed speed.Standard accessory: 200 mm wire reel adaptorMake sure that the welding gun is designed for the maximum welding current! Do not use a damagedwelding gun!5.7. RETURN CURRENT CABLEFasten earth clamp of return current cable carefully, preferably direct to welding piece. Contact surface of the clampshould always be as large as possible.Clean the fastening surface from paint and rust!Use copper cables in your Kempoweld equipment. A too small cross-sectional area might cause overheating ofconnectors and insulations.LOCKED OPENgroove selecting washeradjusting screw |
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