Table of Contents
Advertisement
Quick Links
Cobra MX
Cobra MX-HD
Owner's Manual
Product:
Cobra MX
Manual:
091-0623
Serial:
10100001
Voltage Rating: 24 VDC
Revision:
Jan. 2018 Rev F
Gun models:
262-XXX W/C
263-XXX W/C HD
266-XXX A/C
267-XXX A/C HD
225 Ampere Water Cooled, MX
250 Ampere Water Cooled, MX-HD
1 7 5 A m p e r e A i r C o o l e d , M X
200 Ampere Air Cooled, MX-HD
P u s h - P u l l
W e l d i n g
G u n s
Advertisement
Chapters
Table of Contents
Troubleshooting
Related Manuals for MK Products Cobra MX
Summary of Contents for MK Products Cobra MX
- Page 1 Owner’s Manual Product: Cobra MX Manual: 091-0623 Serial: 10100001 Voltage Rating: 24 VDC Revision: Jan. 2018 Rev F Gun models: 262-XXX W/C 263-XXX W/C HD Cobra MX 266-XXX A/C 267-XXX A/C HD Cobra MX-HD 225 Ampere Water Cooled, MX 250 Ampere Water Cooled, MX-HD...
-
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, MX-HD Python ® ®...
-
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 short circuits. and birth defects or other reproductive This equipment is intended for ultimate If combustibles are in area, do NOT weld harm. - Page 5 general rules cover many of the most to exceed 55 degrees C (130 degrees two wrenches to tighten adapter marked common situations. F.) Cool with water spray where such RIGHT and LEFT HAND threads. exposure exists. 1. Pressure Regulators Regulator outlet (or hose) connections Regulator relief valve is designed Protect cylinders, particularly valves may be identified by right hand threads...
- Page 6 acute sunburn; those from gas-shielded overheat cables and cause a fire. should be used to join welding cable arcs are more severe and painful. lengths. Loose cable connections may overheat DON’T GET BURNED; COMPLY WITH or flash and cause afire. 3.
- 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.
-
Page 8: Installation
5/8" flat washer to attach the ring lug to the power block. Power Cable - Water Cooled Cobra MX water cooled gun utilizes a power/water cable with a #6 AWG cable inside a 5/16” diameter hose. The gun end is threaded into the gun body.These connections utilize a conductive sealant and are tightened with... -
Page 9: Operation
Control Cable A multi-conductor control cable is used on the Cobra MX gun. 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 gun comes standard with a knurled drive roll and a grooved idler roll,which will handle both hard wire and aluminum wire with diameters from .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..................005-0726 Trigger kit includes sensitivity adjustment screw replacement for all Cobra MX guns. Micro Switch Kit................003-2274 Replacement micro switch assembly for all Cobra MX guns. Potentiometer Kit................003-2190 Replacement potentiometer assembly for all Cobra MX guns. Conduits Flat spiral steel conduit for steel & cored wire. -
Page 12: Contact Tips
Gas Valve Removal Tool Gas valve removal is performed by using P/N 931-0105 Gas Valve Removal Tool. This multifunctional tool has been slotted on one side to encompass and conform to the gas valve stem and seat into the slotted gas valve body as seen in Figures 1 and 2. -
Page 13: Gas Cups
(Models 263 and 267) Spring Loaded Contact Tip - 3/8” Diameter Wire Size Tip ID Tip Length Qty Part Number .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 615-0601-15 Conduit - 15 ft 615-0601-25 Conduit - 25 ft 615-0601-35 Conduit - 35 ft 615-0601-50 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 Trouble Cause Remedy Input power fuse in Replace fuse. No wire feed at feeder/control box blown 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. -
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...
-
Page 18: Appendices
Appendices Section F 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 MX Cup Barrel Assembly, Water Cooled ........17 MX-HD Cup Barrel Assembly, Water Cooled ...... -
Page 19: Mechanical
Cobra MX Head Assembly Cobra MX Owner's Manual - page 12 ®... -
Page 20: Bill Of Material
COBRA MX HEAD ASSEMBLY QTY. PART NO. DESCRIPTION 003-2141 ASSY COBRA FRONT BODY 003-2190 ASSY POTENTIOMETER COBRA 003-2274 ASSY SWITCH 003-2267 ASSY REAR BODY AIR COOLED 003-2276 ASSY REAR BODY WATER COOLED 003-2278 ASSY TRIGGER 301-0093 BOOT TORCH SCR FH PHIL 82 4-40 X 3/8 SST... -
Page 21: Front Body Assembly
Cobra MX Front Body Assembly 003-2141 Front Body Assembly Qty. Part No. Description Not available separately Not available separately included in Scr Ph 10-24-3/8 005-0686 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 Rear Assembly - Air Cooled 003-2267 APPLY SILICONE LUBRICANT FOR INSTALLATION Air Cooled Rear Body Assembly Qty. Part No. Description 001-0562 Assy Gas Valve Not Available Separately 303-0096 O-Ring (Sold in a pack) 005-0807 O-Ring Gun Kit Included in kit 005-0793... -
Page 23: Rear Body Assembly, Water Cooled
Cobra MX Rear Assembly - Water Cooled 003-2276 APPLY SILICONE LUBRICANT FOR INSTALLATION Rear Body Assembly - Water Cooled Qty. Part No. Description 001-0562 Assy Gas Valve Not Available Separately 303-0096 O-Ring (Sold in a pack) 005-0807 O-Ring Gun Kit... -
Page 24: Mx Cup Barrel Assembly, Water Cooled
Cobra MX Cup Barrel Assembly Air or Water Cooled - 003-2342 *Apply silicone lubricant to item 3 before installing. Cup Barrel Assembly - A/W Qty. Part No. Description 001-0138-4 Assy Gas Cup MK #8 Not Available Separately 303-0096 O-Ring (Sold in a pack) -
Page 25: Mx-Hd Cup Barrel Assembly, Water Cooled
931-0137 Barrel liner package, .030"-.035", 5 pieces 931-0145 Barrel liner package, .040"-1/16", 5 pieces 621-0393-25 Tip HD Spray .060 x 3/8" OD 621-0421 Assy Gas Cup #8 Cobra MX-HD 261-0178 Insulator Cup Cobra MX Owner's Manual - page 18 ®... -
Page 26: Lead Assembly, Air Cooled
Cobra MX Lead Assembly - Air Cooled Lead Assembly - Air Cooled No. Qty. Description 15' Part No. 25' Part No. 35' Part No. 50' Part No. Wrap Spiral Cord 5.5" LG 261-0094 Wrap Spiral Cord 13" LG 261-0094-13 Snake Skin... -
Page 27: Lead Assembly, Water Cooled
Cobra MX Lead Assembly - Water Cooled Lead Assembly - Water Cooled No. Qty. Description 15' Part No. 25' Part No. 35' Part No. 50' Part No. Wrap Spiral Cord 5.5" LG 261-0094 Wrap Spiral Cord 13" LG 261-0094-13 Snake Skin... -
Page 28: Spiral Wrap Installation
Cobra MX Lead Assembly Spiral Wrap Installation 033-0929 Gun End, Air Cooled Conduit Spiral Wrap p/n: 261-0094-13 Power Cable Cobra MX Owner's Manual - page 21 ®... - Page 29 Cobra MX Lead Assembly Spiral Wrap Installation 033-0929 Gun End, Water Cooled Spiral Wrap p/n: 261-0094-13 Cobra MX Owner's Manual - page 22 ®...
- Page 30 Cobra MX Lead Assembly Spiral Wrap Installation 033-0929 Cabinet End, Air and Water Cooled Spiral Wrap p/n: 261-0094 Cobra MX Owner's Manual - page 23 ®...
-
Page 31: Electrical
Cobra MX Electrical Cobra MX Owner's Manual - page 24 ®... -
Page 32: Gun Connections, Air And Water Cooled
Gun Connections Input Water Cooled Coolant Return Power/Coolant Return Coolant Supply Shielding Coolant Supply Welding Power Power Cable Input Air Cooled Shielding Welding Power Cobra MX Owner's Manual - page 25 ®... -
Page 33: Safety Warnings
Safety Warnings Cobra MX Owner's Manual - page 26 ®... - Page 34 Cobra MX Owner's Manual - page 27 ®...
- Page 35 16882 Armstrong Ave. Irvine, CA 92606 Tel (949) 863-1234 Fax (949) 474-1428 www.mkproducts.com August 1, 2010...
- Page 36 THIS PAGE INTENTIONALLY BLANK...
- Page 37 www.mkproducts.com 16882 Armstrong Ave. Irvine, California 92606 TEL (949) 863-1234 FAX (949) 474-1428...
Need help?
Do you have a question about the Cobra MX and is the answer not in the manual?
Questions and answers