Related Manuals for MK Products 248-8XX
Summary of Contents for MK Products 248-8XX
- Page 1 Liquid Cooled Millermatic Compatible™ Owner’s Manual Product: Python Manual: 091-0597 Serial: 07030001 Voltage Rating: 24 VDC Revision: March 2007 Gun Models: 248-8xx 400 Ampere Push-Pull Welding Gun...
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Page 3: Table Of Contents
Table of Contents Safety Considerations ................i-iii Installation ................Section A Technical Specifications ..................1 Support Equipment Required ................1 Gun Lead Connections ..................1 Coolant Recommendations ................1 Operation .................Section B General ......................2 Controls and Settings ..................2 Trigger Adjustment .....................2 Drive Roll and Idler Rolls..................2 Accessories ................Section C Insulated Drive Roll Kits ..................3 Replacement Kits ....................4... - Page 4 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. Miller Electric Mfg. Co. Manufacturer’s Name: 16882 Armstrong Ave. 1635 W. Spencer Street Manufacturer’s Address: Appleton, WI 54914 USA Irvine, CA 92606 Python...
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Page 5: Symbol Usage
SECTION 1 – SAfETY PRECAUTIONS - READ BEfORE USING som _nd_7/02 1-1. Symbol Usage Means Warning! Watch Out! There are possible hazards with this procedure! The possible hazards are shown in the adjoining symbols. This group of symbols means Warning! Watch Out! possible �... - Page 6 ARC RAYS can burn eyes and skin. BUILDUP Of GAS can injure or kill. � Shut off shielding gas supply when not in use. Arc rays from the welding process produce intense visible and invisible (ultraviolet and infrared) rays � Always ventilate confined spaces or use that can burn eyes and skin.
- Page 7 1-3. Additional Symbols for Installation, Operation, And Maintenance fIRE OR EXPLOSION hazard. MOVING PARTS can cause injury. � Do not install or place unit on, over, or near � Keep away from moving parts such as fans. combustible surfaces. � Keep all doors, panels, covers, and guards �...
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Page 8: Principal Safety Standards
1-4. Principal Safety Standards Safety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1, Boulevard, Rexdale, Ontario, Canada (phone: from American Welding Society, 550 N.W. LeJeune Rd, Miami FL 33126 800–463–6727 or in Toronto 416–747–4044, website: www.csa–in- (phone: 305-443-9353, website: www.aws.org). ternational.org). -
Page 9: Warning Label Definitions
SECTION 2 – DEfINITIONS 2-1. Warning Label Definitions A. Warning! Watch Out! There are possible hazards as shown by the symbols. B. Drive rolls can injure fingers. C. Welding wire and drive parts are at welding voltage during operation – keep hands and metal objects clear. -
Page 10: Symbols And Definitions
2-3. Symbols And Definitions Note Some symbols are found only on CE products. Amperes Volts Alternating Current Duty Cycle Degree Of Hertz Circuit Breaker Wire Feed Protection Output Trigger Press To Set Increase Trigger Hold On Trigger Hold Off Purge Spot Weld Time Percent Run-In... - Page 11 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 12: Installation
Section A Installation Technical Specifications Wire Capacity Aluminum or Cored Wire .......030" - 1/16" (0.8 mm - 1.6 mm) Solid and Hard Wire ........030" - .045" (0.8 mm - 1.2 mm) Wire Speed (At rated feeder input voltage) ....800 ipm (20.3 mpm) Duty Cycle - 60% (All ratings are using Argon gas) ......400 Amps Shipping Weight (approximate) ........ -
Page 13: Coolant Recommendations
Coolant Recommendations Use Cobra Coolant (Aluminum Protection), P/N 931-0060. Cobra Coolant does not contain reactive sulphur or chlorine and does not react with copper, brass or aluminum. The coolant flow rate should be a minimum of 15 GPH (1 qt/min) between 35 and 45psi. - Page 14 Optional insulated V-groove drive rolls are also available for aluminum wire if desired (see optional kits). Drive roll tension is accomplished with a unique spring-loaded pressure screw. The Millermatic Compatible™ Python comes from the factory with ® the pressure adjustment screw preset. NO ADJUSTMENT REqUIRED fOR ANY WIRE SIZE OR ALLOY Drive Roll Installation/Removal Note: Neither of the handles needs to be removed to access the drive or...
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Page 15: Accessories
Section C Options and Accessories Insulated Drive Roll Kits Used to prevent preheating of the wire which may soften it and clog the liner. This picking up of current at the drive rolls rather than at the contact tip is usually not a problem unless using too large of a contact tip or excessively oxidized aluminum wire. -
Page 16: Contact Tips
Contact Tips Heavy Duty Contact Tip - 3/8" Diameter* Wire Size Tip ID Tip Length Part No. .030” (0.8mm) .040” (1.0mm) Spray 1.57” (39.9mm) 621-0390-25 Short 1.82” (46.2mm) 621-0396-25 .035” (0.9mm) .045” (1.1mm) Spray 1.57” (39.9mm) 621-0391-25 621-0391-250 † 621-0391-500 ††... -
Page 17: Maintenance
Optional Barrels - Liquid Cooled 6" Straight ..................003-2315 6" Curved, 45° ................... 003-2316 12" Straight ..................003-2318 12" Curved, 45° ................003-2319 18" Straight ..................003-2320 18" Curved, 45° ................. 003-2321 Barrel Removal and Installation CAUTION: Power-off the coolant pump before removing or loosening liquid-cooled cups and barrels. -
Page 18: Recommended Spare Parts List
Recommended Spare Parts Listed in the table below is the factory recommendation of the necessary spare parts which should be kept on hand for maintaining proper operation of the liquid cooled Millermatic Compatible™ Python welding gun. ® This list, in no way, indicates that these parts are more likely to fail or cause equipment damage. -
Page 19: Troubleshooting
Section E Troubleshooting Guide Disconnect Power Before Troubleshooting. To aid in troubleshooting problems with your welding equipment, it is best to understand the basic theory of operation for this Push-Pull System. The slave motor in the feeder runs at a fast, constant speed, but has very low torque. - Page 20 Troubleshooting Table Symptoms Cause Remedy Circuit breaker in feeder/ Reset. No wire feed at control box open. gun, feeder not Micro-switch defective/not Replace switch. Check operating, i.e. no being activated. switch for operation. slave motor or Check micro-switch wires brake solenoid. Broken electrical cable.
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Page 21: Appendices
Section f Appendices Liquid Cooled Millermatic Compatible™ Python ® Diagrams / Parts List Head Assembly Exploded Parts View ........10 Head Assembly Parts List ............11 Front Body Assembly Parts View ..........12 Rear Body Assembly Parts View ..........13 Barrel Assembly Parts View ............ - Page 22 Liquid Cooled Millermatic Compatible™ Python ® Head Assembly Liquid Cooled Millermatic Compatible™ Python Owner's Manual - page 11 ®...
- Page 23 Liquid Cooled Millermatic Compatible™ Python Owner's Manual - page 12 ®...
- Page 24 Liquid Cooled Millermatic Compatible™ Python ® front Body Assembly P/N 003-2108 Items 3, 4 & 9 available as package kit: P/N 005-0686 Liquid Cooled Millermatic Compatible™ Python ® front Body Assembly qty. Part No. Description Not available separately 325-0206 10-24 x 3/8 PH Screw 333-0082 # 10 Lock Washer 419-0092...
- Page 25 Liquid Cooled Millermatic Compatible™ Python ® Rear Body Assembly P/N 003-2287 APPLY SILICONE LUBRICANT FOR INSTALLATION Liquid Cooled Millermatic Compatible™ Python ® Rear Body Assembly qty. Part No. Description Not available separately 303-0096 O-Ring .145 ID x .07 W 321-1104 Set Screw Mod Conduit 336-0020 Scr PH Phil 4-40 x 5/16 SST...
- Page 26 Liquid Cooled Millermatic Compatible™ Python ® Barrel Assembly P/N 003-2317 *Apply silicone lubricant to items 5, and 6 before installing. Millermatic Compatible™ Python Liquid Cooled 60º ® Barrel Assembly qty. Part No. Description Not available separately 003-2213 Assy Taper Lock Barrel 261-0141 Insulator Barrel 261-0381...
- Page 27 CUP INSULATOR AND O-RING MAINTENANCE CAUTION: Power-off the coolant pump before disassembling liquid-cooled barrels. 1. Unscrew Retaining Nut and slide back on barrel. 2. Using a firm pull and twist action, the Liquid-Cooled Gas Cup can be removed from the Cup Insulator.
- Page 28 Liquid CooledMillermatic Compatible™ Python ® Lead Assembly, P/N 003-2309 Series Liquid Cooled Millermatic Compatible™ Python Lead Assembly ® Description 15' Part No. 25' Part No. 35' Part No. 50' Part No. Assy Conn Power Pin 003-2322 Wrap Spiral Cord 261-0094 Screw K40X12 Pan Head STL 336-0247 Tie Wrap...
- Page 29 Liquid Cooled Millermatic Compatible™ Python ® Power/Gas Connector 003-2322 Liquid Cooled Millermatic Compatible™ Python ® Power/Gas Connector qty. Part No. Description 003-2323 S/A Conn Power Gas WC 153-1210 Pin Power Assy 303-0102 O-Ring, 0.487 ID x .103 Width 321-0070 Set Screw 10-32 321-1104 Set Screw Mod Conduit 431-1724...
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Page 30: Electrical
Liquid Cooled Millermatic Compatible™ Python ® Electrical Schematic/Connector Pinout Polarizing Key "X" Clocked Connector Viewed from back of connector • WARNING Do not touch live electrical parts. • Disconnect input power or stop engine before servicing. • Do not operate with covers removed. ELECTRIC •... -
Page 31: Limited Warranty
October 1, 2006 LIMITED WARRANTY Effective October 1, 2006 This warranty supersedes all previous MK Products warranties and is exclusive, with no other guarantees or warranties expressed or implied. LIMITED WARRANTY - MK Products Inc., Irvine, California warrants Classification of any item into the foregoing categories shall be at the that all new and unused equipment furnished by MK Products is free from sole discretion of MK Products. - Page 32 16882 Armstrong Ave. Irvine, CA 92606 Tel (949)863-1234 Fax (949)474-1428 www.mkproducts.com...
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