flow chart - MK Products

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Wire Conduit InletFront panel access to attach conduit to front of slave motor assembly.Power Cable InletFront panel access to attach power cable (air or water) to top of power block.Gas InletFront panel access to attach gas hose to bottom fi tting of power block.Water Inlet (For Water Cooled Torches)Front panel access to connect the water hose to the middle fi tting on thepower block.Shielding Gas ConnectionRemove the screws from the left hinged door, as viewed from the front, andopen door.Route the gas hose from the regulator/fl owmeter through the grommet on theback panel and into the 5/8-18 R.H. fi tting on the power block.DANGERWelding gases can cause serious injury or death.Read manufacturer’s instructions before installing, using,or servicing the regulator, gas hose, or gas cylinder.Do not touch cylinder with electrode. Keep cylinder away from all electricalcircuits. Keep gas cylinder secured so that it cannot move.CobraMig 260 Owner's Manual - Page 4
Coolant Connection (Water Cooled Torches Only)Connect the water return line from the recirculator through the grommet onthe rear panel and into the 5/8" - 18 L.H. thread on the power block. Thewater “IN” hose connects directly to the torch water “IN” fi tting; it does notpass through the power supply.Wire Threading ProcedueWire Spool InstallationRelease latches, and open right side door of cabinet.Remove spool retainer nut from spindle hub.Raise wire retainer bar to latched position.Install wire spool onto spindle hub so that wire feeds from bottom of spooltowards slave motor. Make sure that the hole in the spool aligns with pinon spindle hub. The white dot on the end of the spindle hub will aid in thisalignment.Replace the spool retainer nut.Lower the wire retainer bar onto the spool.Wire Spool Drag SettingNOTE:Standard factory setting of the Spindle Tension Knob is set for All Other Wires.There are two visible position settings for this Knob, IN - All Other Wires(Fig. 1) and, OUT - .030/.035 Al Only (Fig. 2). The Spindle Tension Knobmust be set to match the Wire Size Selector Switch on the Cobramatic®front panel.To change this setting, it is easier done without the spool of wire on thespindle. Remove the wire spool retainer and re-install it reversed back ontothe Spindle Tension Knob (Fig. 3). In the “Tool Mode”, the square shapedend of the retainer fi ts onto the Knob. Grab the retainer and turn in theCOUNTER-CLOCKWISE direction until it stops. The Knob is now set to theOUT position (.030/.035 AL Only).IN - All other wiresFigure 1OUT - .030/.035 Aluminum ONLYFigure 2Wire Spool Retainer In "Tool Mode";used to change spindle drag.Figure 3To reset the Knob back to the factory setting of All Other Wires, use theretainer as described above, and turn in the CLOCKWISE direction until itstops. The Knob is now set to the IN position. Turning the retainer andKnob in this direction may require more effort, since turning CLOCKWISE isworking against a spring.Load wire spool onto spindle according to the previous instructions.Replace the spool retainer nut.CobraMig 260 Owner's Manual - Page 5
Page 2 and 3: SAFETY CONSIDERATIONSELECTRIC ARC W
Page 4: momentarily with unprotected eyes (
Page 7 and 8: Section AInstallationTechnical Spec
Page 9: Route input cable through strain re
Page 13 and 14: WELD VOLTAGEThe weld voltage knob a
Page 15 and 16: PROCESS SETTINGSThe following table
Page 17 and 18: should bisect the 90 degree angle m
Page 23 and 24: Testing the FeederRelay K2 Operatio
Page 25 and 26: CobraMig 260 Owner's Manual - Page
Page 27 and 28: 2 FLOW CHART 2SYMPTOMF3 FUSE ON COB
Page 29 and 30: 4 FLOW CHART 4SYMPTOMCOBRA MAIN BOA
Page 31 and 32: 6 FLOW CHART 6SYMPTOMWIRE FEEDS AT
Page 33 and 34: 8 FLOW CHART 8SYMPTOMDISCONNECT FUS
Page 35 and 36: 10 FLOW CHART 10SYMPTOMNO WELD OUTP
Page 37 and 38: Section FAppendicesDiagrams/Parts L
Page 39 and 40: Multi-Tap CV 260001-3850No. Qty. P/
Page 41 and 42: Multi-Tap Bracket Assembly003-1586N
Page 43 and 44: Wire Feeder Assembly003-2131No. Qty
Page 45 and 46: Back Panel Assembly003-2130No. Qty.
Page 47 and 48: Heat Sink Assembly003-1774CNo. Qty.
Page 49 and 50: Control Panel Assembly003-1703No. Q
Page 51 and 52: 42 VAC Front Panel Assembly003-2110
Page 53 and 54: Slave Motor Assembly003-2078No. Qty
Page 55 and 56: CobraMig 260 Owner's Manual - Page
Page 57 and 58: J1910P10J29101112131415161718192021
Page 61 and 62:
LIMITED WARRANTYEffective March 1,
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