Table of Contents
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Shown with Classic Cup
Shown with MAX Cup
Euro Compatible
Owner's Manual
Product:
Cobra MX
Manual:
091-0656
Serial:
11020001
Voltage Rating: 24 VDC
Revision:
Sept 2013 Rev C
Gun models:
298-XXX A/C 1/4"
299-XXX W/C 1/4"
300-XXX A/C 3/8"
301-XXX W/C 3/8"
175 Ampere Air Cooled, 1/4" tip
200 Ampere Air Cooled, 3/8" tip
225 Ampere Water Cooled, 1/4" tip
250 Ampere Water Cooled, 3/8" tip
P u s h - P u l l
W e l d i n g
™
7 Pin
G u n s
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Chapters
Table of Contents
Troubleshooting
Related Manuals for MK Products Cobra MX Euro Compatible
Summary of Contents for MK Products Cobra MX Euro Compatible
- Page 1 Euro Compatible ™ 7 Pin Owner’s Manual Product: Cobra MX Manual: 091-0656 Serial: 11020001 Shown with Classic Cup Voltage Rating: 24 VDC Revision: Sept 2013 Rev C Gun models: 298-XXX A/C 1/4" 299-XXX W/C 1/4" 300-XXX A/C 3/8" 301-XXX W/C 3/8" Shown with MAX Cup 175 Ampere Air Cooled, 1/4"...
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Page 2: Table Of Contents
Table of Contents Safety Considerations ................i-iii Installation ................Section A Technical Specifications ..................1 Support Equipment Required ................1 Coolant Requirements ..................1 Gun Lead Connections ..................1 Operation .................Section B General ......................2 Controls and Settings ..................2 Trigger Adjustment .....................2 Drive Roll and Idler Rolls..................3 Accessories ................Section C Optional Kits .......................4 Conduits ......................4... - Page 3 Declaration of Conformity for European Community (CE) Products Note This information is provided for units with CE certification (see rating label on unit). MK Products, Inc. Manufacturer’s Name: 16882 Armstrong Ave. Irvine, CA 92606 ® Cobra MX Euro Compatible™ Declares that the product:...
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Page 4: Safety Considerations
SAFETy ConSIDErATIonS ELECTRIC ARC WELDING EQUIPMENT CAUTIon : rEAD BEForE ATTEMPTInG InSTALLATIon, oPErATIon or MAInTEnAnCE oF THIS EQUIPMEnT 1-1 INTRODUCTION to the State of California to cause cancer circuits. and birth defects or other reproductive This equipment is intended for ultimate If combustibles are in area, do NOT weld harm. - Page 5 common situations. F.) Cool with water spray where such RIGHT and LEFT HAND threads. exposure exists. 1. Pressure regulators Regulator outlet (or hose) connections may be identified by right hand threads Regulator relief valve is designed Protect cylinders, particularly valves from to protect only the regulator from bumps, falls, falling objects, and weather.
- Page 6 or flash and cause afire. 3. Cables DON’T GET BURNED; COMPLY WITH PRECAUTIONS. Frequently inspect cables for wear, Never strike an arc on a cylinder or other cracks, and damage. IMMEDIATELY 1. Protective Clothing pressure vessel. It creates a brittle REPLACE those with excessively worn Wear long-sleeve clothing in addition to area that can cause a violent rupture or...
- Page 7 Thank You For selecting a quality product. We want you to take pride in operating this product...as much pride as we have in bringing the product to you! Please Examine Carton and Equipment For Damage Immediately When this equipment is shipped, title passes to the purchaser upon receipt by the carrier.
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Page 8: Installation
Gun Lead Connections Power Cable - Air Cooled A #2 power cable is used on the Cobra MX Euro Compatible 7 Pin gun. The gun and Euro Power Manifold ends of the cable are stripped to the copper strands and wrapped with a copper strip. A setscrew holds the cable securely in the gun body and in the Euro Power Manifold with torque requirements of 55-60 in-lb. -
Page 9: Operation
*Must be ordered together Control Cable A multi-conductor control cable is used on the Cobra MX Euro Compatible 7 Pin. The gun end of the cable is secured with a cable clamp and the wires are connected to the potentiometer, the micro switch, the motor and the gun body mechanically. -
Page 10: Drive Roll And Idler Rolls
Drive Roll and Idler Rolls General The Cobra MX Euro Compatible 7 Pin gun comes standard with a knurled drive roll and a grooved idler roll, which will handle aluminum wire with diameters of .030 to 1/16 inch and steel from .030 to .045 inches. Optional insulated V-groove drive rolls are also available for aluminum wire if desired (see optional kits). -
Page 11: Accessories
Trigger kit includes a sensitivity adjustment screw replacement for all Cobra MX Euro Compatible 7 Pin guns. Micro Switch Kit................003-2274 Replacement micro switch assembly for all Cobra MX Euro Compatible 7 Pin guns. Potentiometer Kit................003-2190 Replacement potentiometer assembly for all Cobra MX Euro Compatible 7 Pin guns. -
Page 12: Contact Tips
Gas Valve Removal Tool Gas valve removal is often required to replace the standard valve stem with a modified valve stem (P/N 431-1080) when placing an older model gun on a newer model wire feeder. This is performed by using P/N 931-0105 Gas Valve Removal Tool. -
Page 13: Gas Cups
(Models 300 and 301) Spring Loaded Contact Tip - 3/8” Diameter Wire Size Qty Part Number Tip ID Tip Length .030” (0.8 mm) .041” (1.0 mm) Spray 1.57” (39.9 mm) EA 621-0331 .035” (0.9 mm) .044” (1.1 mm) Spray 1.57” (39.9 mm) EA 621-0332 3/64”... -
Page 14: Recommended Spare Parts List
Recommended Spare Parts List Qty. Part no. Description 615-0620-15 Conduit - 15 ft 615-0620-25 Conduit - 25 ft 615-0620-35 Conduit - 35 ft 615-0620-50 Conduit - 50 ft 005-0726 Trigger Assy Kit 003-2190 Potentiometer Assy Kit 005-0725 Handle Kit 003-2274 Micro-Switch Assy Kit 511-0101 Drive Roll... -
Page 15: Troubleshooting
Section E Troubleshooting remedy Trouble Cause Input power fuse in Replace fuse. No wire feed at feeder/control box blown gun, feeder not Micro-switch defective/ Replace switch. Check operating, i.e. no not being activated switch for operation. slave motor or Check micro-switch wires brake solenoid. -
Page 16: Troubleshooting Guide
Troubleshooting Guide Regardless of which gun or feeder used, all MK Products’ push-pull guns operate on the same principle. The slave motor in the feeder runs at a fast,constant speed, but has very low torque. It is always trying to feed more wire than the gun motor wants, and when the motor gets all it wants, it slows the slave motor, preventing a bird’s nest. - Page 17 THIS PAGE INTENTIONALLY BLANK...
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Page 18: Appendices
Section F Appendices Diagrams / Parts List Exploded View ................12 Bill of Material ................13 Front Body Assembly ..............14 Rear Body Assembly, Air Cooled ..........15 Rear Body Assembly, Water Cooled ......... 16 Classic Cup Barrel Assembly, Air Cooled ......... 17 Classic Cup Barrel Assembly, Water Cooled ...... -
Page 19: Mechanical
Cobra MX Euro Compatible 7 Pin Head Assembly Cobra ® MX Euro Compatible™ 7 Pin Owner's Manual - Page 12... -
Page 20: Bill Of Material
Cobra ® MX Euro Compatible™ 7 Pin Owner's Manual - Page 13... -
Page 21: Front Body Assembly
Cobra MX Euro Compatible 7 Pin Front Body Assembly 003-2141 Front Body Assembly Qty. Part no. Description Not available separately Not available separately 325-0206 Scr Ph 10-24-3/8 333-0082 Washer Lock 10 419-0092 Spring Comp 0.31 OD x 0.20 ID 421-0525 Pin Dowel 1/8 x 7/8 Sst... -
Page 22: Rear Body Assembly, Air Cooled
Cobra MX Euro Compatible 7 Pin rear Assembly, Air Cooled 003-2267 Air Cooled rear Body Assembly Qty. Part no. Description 001-0562 Assy Gas Valve Not available separately 303-0096 O-Ring .145 ID x .07 W 321-1082 Set Screw Cup 1/4-20 x 3/8 SST... -
Page 23: Rear Body Assembly, Water Cooled
Cobra MX Euro Compatible 7 Pin rear Assembly, Water Cooled 003-2276 rear Body Assembly - Water Cooled Qty. Part no. Description 001-0562 Assy Gas Valve Not available separately 303-0096 O-Ring .145 ID x .07 W 321-1104 Set Screw Conduit 411-0020... -
Page 24: Classic Cup Barrel Assembly, Air Cooled
Cobra MX Euro Compatible 7 Pin Classic Cup Barrel Assembly Air Cooled, 003-2341 *Apply silicone lubricant to item 3 before installing. Classic Cup Barrel Assembly - Air Cooled Qty. Part no. Description 001-0138 Assy Gas Cup MK #8 Not available separately 303-0096 O-Ring .145 ID x .07W... -
Page 25: Classic Cup Barrel Assembly, Water Cooled
Cobra MX Euro Compatible 7 Pin Classic Cup Barrel Assembly Water Cooled, 003-2342 *Apply silicone lubricant to item 3 before installing. Classic Cup Barrel Assembly - Water Cooled Qty. Part no. Description 001-0138 Assy Gas Cup MK #8 Not available separately 303-0096 O-Ring .145 ID x .07W... -
Page 26: Max Barrel Assembly, Air Cooled
Cobra MX Euro Compatible 7 Pin MAX Cup Barrel Assembly Air Cooled, 003-2343 *Apply silicone lubricant to item 2 before installing. MAX Cup Barrel Assembly - Air Cooled Qty. Part no. Description Not available separately 303-0096 O-Ring .145 ID x .07W... -
Page 27: Max Cup Barrel Assembly, Water Cooled
Cobra MX Euro Compatible 7 Pin MAX Cup Barrel Assembly Water Cooled, 003-2344 *Apply silicone lubricant to item 2 before installing. MAX Cup Barrel Assembly - Water Cooled Qty. Part no. Description Not available separately 303-0096 O-Ring .145 ID x .07W... -
Page 28: Spiral Wrap Installation
Cobra MX Euro Compatible 7 Pin Lead Assembly Spiral Wrap Installation 033-0929 Gun End, Air Cooled Conduit Spiral Wrap p/n: 261-0094-13 Power Cable Cobra ® MX Euro Compatible™ 7 Pin Owner's Manual - Page 21... - Page 29 Cobra MX Euro Compatible 7 Pin Lead Assembly Spiral Wrap Installation 033-0929 Gun End, Water Cooled Conduit Spiral Wrap p/n: 261-0094-13 Ring 431-1660 Power Cable Cobra ® MX Euro Compatible™ 7 Pin Owner's Manual - Page 22...
- Page 30 Cobra MX Euro Compatible 7 Pin Lead Assembly Spiral Wrap Installation 033-0929 Cabinet End, Air and Water Cooled Spiral Wrap p/n: 261-0094 Cobra ® MX Euro Compatible™ 7 Pin Owner's Manual - Page 23...
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Page 31: Lead Assembly, Air Cooled
Cobra MX Euro Compatible 7 Pin Lead Assembly, Air Cooled Cobra ® MX Euro Compatible™ 7 Pin Owner's Manual - Page 24... - Page 32 Cobra ® MX Euro Compatible™ 7 Pin Owner's Manual - Page 25...
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Page 33: Lead Assembly, Water Cooled
Cobra MX Euro Compatible 7 Pin Lead Assembly, Water Cooled Cobra ® MX Euro Compatible™ 7 Pin Owner's Manual - Page 26... - Page 34 Cobra ® MX Euro Compatible™ 7 Pin Owner's Manual - Page 27...
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Page 35: Power Manifold Assembly, Air Cooled
Cobra MX Euro Compatible 7 Pin Power Manifold Assembly, Air Cooled, P/N 003-2373 APPLY HIGH STRENGTH THREAD SEALANT TO THREADS Air Cooled Power Manifold Assembly Qty. Part no. Description 303-0097 O-Ring Buna-N .101 ID x .07W 321-1082 Set Screw Flat 1/4 - 20 x 3/8 SST... -
Page 36: Power Manifold Assembly, Water Cooled
Cobra MX Euro Compatible 7 Pin Power Manifold Assembly, Water Cooled, P/N 003-2378 APPLY HIGH STRENGTH THREAD SEALANT TO THREADS APPLY SILICONE LUBRICANT FOR INSTALLATION. APPLY LOW STRENGTH THREAD LOCKING TO EXTERNAL THREADS BEFORE INSTALLATION. Water Cooled Power Manifold Assembly Qty. -
Page 37: Electrical
Cobra MX Euro Compatible 7 Pin Electrical Cobra ® MX Euro Compatible™ 7 Pin Owner's Manual - Page 30... -
Page 38: Safety Warnings
Safety Warnings Cobra ® MX Euro Compatible™ 7 Pin Owner's Manual - Page 31... - Page 39 Cobra ® MX Euro Compatible™ 7 Pin Owner's Manual - Page 32...
- Page 40 16882 Armstrong Ave. Irvine, CA 92606 Tel (949) 863-1234 Fax (949) 474-1428 www.mkproducts.com August 1, 2010...
- Page 41 www.mkproducts.com 16882 Armstrong Ave. Irvine, California 92606 TEL (949) 863-1234 FAX (949) 474-1428...
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