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INSTRUCTIONS, PARTS & SPECIFICATIONS MANUAL

D/F MACHINE SPECIALTIES, INC.

MIG & TIG Welding Products, Consumables & Accessories

Instruction Manual 653AM

MAC/MAT Long

Revised 06/2014

1750 Howard Drive, North Mankato, MN 56003

Phone: (507) 625-6200   Fax: (507) 625-6203

www.dfmachinespecialties.com

AIR COOLED MIG BARRELS

Model MAC - Collet Action (Slip-In Tip)

Model MAT - Threaded Current Tip

Shielding Gas Connection is in the Vertical

Barrel Length - 8.625”

Summary of Contents for MAC

Page 1: ...es Instruction Manual 653AM MAC MAT Long Revised 06 2014 1750 Howard Drive North Mankato MN 56003 Phone 507 625 6200 Fax 507 625 6203 www dfmachinespecialties com AIR COOLED MIG BARRELS Model MAC Collet Action Slip In Tip Model MAT Threaded Current Tip Shielding Gas Connection is in the Vertical Barrel Length 8 625 ...

Page 2: ...nce At D F Machine Specialties we commit to design build and deliver premium products and superior customer support to quality driven welding professionals Customers still to this day choose D F over competitors because of our responsiveness and flexibility Customers will continue to choose D F tomorrow for our superior hand made products and service To ensure this we need cre ative and competent ...

Page 3: ...e Nozzle Thread Chaser Tap 9 Table I Gas Nozzles Tables II Current Tips 10 Air Cooled Machine Barrel Model MAC Parts 11 Air Cooled Machine Barrel Model MAT Parts 12 Table 3 Casings Table 4 Liners Table 5 Recommended Spare Parts 13 Air Cooled Machine Barrel Remote Mounting Utilities 14 Utility Station Air Cooled Barrels 15 Wire Feeder Adapters Inlets 16 Troubleshooting 17 20 ...

Page 4: ...ead cadmium copper zinc and beryllium If necessary take ap propriate precautions by providing adequate ventilation or an extraction system to ensure that the legal maximum levels of toxic concentrations are not exceeded For more information refer to the following standards in their latest revisions and comply as applicable ANSI Standard Z49 1 SAFETY IN WELDING AND CUTTING obtainable from the Ameri...

Page 5: ... Current capacity is 400 amperes in CO2 shielding For further information or help with D F Machine Specialties products please visit our web site at www dfmachinespecialties com or consult the factory at 1 507 625 6200 ORDERING INFORMATION MAC MAT DESCRIPTION CODE NO MAT 03 Th d Tip w Nozzle Body 13176 MAT 04 Th d Tip w Nozzle Body 13177 MAT 40 Th d Tip w Nozzle Body 16383 12703 12704 12740 DESCRI...

Page 6: ...ose to the torch s inner body see 3 5 8 Open Ended Wrench 5 This wrench is used to secure the adapter and jam nut that hold the current tip to the inner body In your left hand hold the inner body and with your right hand thread up the adapter using the 5 8 Open Ended Wrench until it is tight Now place the same wrench on the jam nut and snug it up against the inner body Keeping that wrench on the j...

Page 7: ...REQUIRED TOOLS LIST FOR DISASSEMBLY ASSEMBLY 7 ...

Page 8: ... end to rotate and twist the conduit casing 8 to get the liner trough the torch If you have any troubles getting a liner through a torch make sure you have a good sharp cut off and if you have to you can gently 9 sand the end of the liner on a belt sander You can remove the cast in the aluminum liner by pre bending and straightening the liner before loading After the new liner comes out the end of...

Page 9: ...e the tip from the front of the torch before tapping 2 Lightly lubricate the nozzle and nozzle thread chaser tap before tapping 3 Be sure to start the tap very carefully Do not cross thread the nozzle 4 Be very careful to start threads correctly Only tap 1 2 turn at a time always backing up and removing chips 1 2 cycle at a time before 5 moving forward Do not try to tap further into the water cool...

Page 10: ...ire Type Code No All NC NCC NCM Tip provides 1 8 set back 030 035 045 052 1 16 5 64 3 32 7 64 1 8 Hard Hard Hard Hard Hard Hard Hard Hard Hard 19390 19391 19392 19393 19394 19711 19726 19396 19727 All NC NCC NCM Tip provides 3 8 set back 035 045 052 1 16 5 64 3 32 7 64 1 8 Cored Cored Cored Cored Cored Cored Cored Cored 19400 19401 19402 19403 19404 19405 19406 19720 All NC NCC NCM Tip provides 1 ...

Page 11: ...540 ID used w 4 Tip Gas Nozzle 625 ID used w 4 Tip Nozzle Thread Chaser Tap Nozzle Body Front Insulator Nozzle Body Inner Wall Nozzle Body w Insulator Nozzle Body less insulator Gas Nozzle see p 10 Table 1 Nozzle Body w Insulator Nozzle Body less insulator Gas Nozzle see p 10 Table 1 Wrench Cable Hose Sheath 2 Ft Cable Hose Sheath 3 Ft Cable Hose Sheath 4 Ft Cable Hose Sheath 5 Ft Cable Hose Sheat...

Page 12: ...6382 Gas Nozzle 540 ID used w 2 5 Tip Gas Nozzle 625 ID used w 2 5 Tip Gas Nozzle 540 ID used w 4 Tip Gas Nozzle 625 ID used w 4 Tip Nozzle Thread Chaser Tap Nozzle Body Front Insulator Nozzle Body Inner Wall Nozzle Body w Insulator Nozzle Body less insulator Gas Nozzle see p 10 Table 1 Nozzle Body w Insulator Nozzle Body less insulator Gas Nozzle see p 10 Table 1 Cable Hose Sheath 2 Ft Cable Hose...

Page 13: ...ers to be used with double asterisk casing Table 4 TABLE 4 CASINGS Description Wire Size 2 Ft 3 Ft 4 Ft 5 Ft 6 Ft 7 Ft 8 Ft 10 Ft 12 Ft 15 Ft Casing Assembly Flexible Select Liner Select Liner 030 035 1 16 14440 14444 14441 14445 14442 14446 14443 14447 12291 16173 12292 16561 12285 13565 12286 13751 12287 13757 12290 13752 Casing Assembly Reinforced Single Piece Single Piece Single Piece Single P...

Page 14: ...able 2 0 15232 16075 15263 16438 15264 15265 15266 Barrel 1 250 Dia Mounting Dia 625 2 750 8 625 3 500 Casings Select from p 13 Table 9 See Chart Below for Power Cable ORDERING INFORMATION POWER CABLE 1 Description CODE NO 2 Ft 3 Ft 4Ft 5 Ft 6 Ft 8 Ft 10 Ft Gas Hose 14500 14501 14502 14503 14504 11845 11846 ORDERING INFORMATION GAS HOSE See Chart Below for Gas Hose ...

Page 15: ... 0 Power Cable Gas Hose Base Length 3 75 Overall Length 5 75 Base Width 2 25 Overall Width 2 5 Overall Height 3 125 Mounting Hole Center Distance 2 75 Overall Weight 3 5 lbs D F TORCH CONNECTION CUSTOMER UTILITIES CONNECTION DIMENSION SPECIFICATIONS FROM LEFT D F TORCH CONNECTION FROM RIGHT CUSTOMER UTILITIES CONNECTION UTILITY STATION SIDE VIEW WITH COVER Gas Hose 2 ea 1 4 20 Screws Lock Washers ...

Page 16: ...C 13098 13099 13096 13097 ESAB 18246 18247 18248 18249 EURO 18493 18493 18540 18540 Hobart All Models 030 3 32 H C AL 5 64 1 8 H C 13067 16087 13068 16225 Lincoln LN 7 LN 8 NA5 R 030 3 32 H C AL 5 64 1 8 H C 13110 13112 13113 13116 LN 9 030 3 32 H C AL 5 64 1 8 H C 16581 16582 16528 16529 NA3 NA5 030 3 32 H C AL 5 64 1 8 H C 16879 16878 16880 16881 BIG MIG NA3 NA5 030 3 32 H C AL 5 64 1 8 H C 1687...

Page 17: ...d pool for nozzle I D 4 Arc voltage too high 5 Too high a travel speed TROUBLESHOOTING POROSITY SUMMARY NOTE Most POROSITY is caused by gas problems followed by base metal contamination Possible Solutions a Remove contamination clean surfaces b Use of specific wire gas mix for specific types of impurities a Replace wire b Install wire cleaning system c Prevent industrial dust dirt grit from contam...

Page 18: ... broken wires and faulty contacts A great deal of spatter occurs if the stick out is too great and if the welding gun is held too far from the workpiece when striking the arc Try to start with as short a stick out as possible and with the welding gun as close to the starting point as possible If a large ball end is formed on the end of the welding wire remove it by cutting the wire with sharp wire...

Page 19: ...n the liners fitting correctly An unprotected coil of wire quickly collects dust and other airborne contamina tion If grinding is being performed in the vicinity particles can become attached to the wire severely interfering with the wire feed Replace with clean wire and keep it protected with a cover Make sure spare wire rolls are stored in a clean dry place Set the brake so that the coil immedia...

Page 20: ... source Check to make sure the power connection on the power source is tight the con nection on the wire feeder is tight the connection to the adaptor block is tight and the connection of the gun to the adaptor block is tight Remove nozzle from gun and inspect current tip collet nut tip holder and spat ter disc gas diffuser for wear and tightness replace or tighten as necessary Note complete weld ...

Page 21: ......

Page 22: ...pecific time Expendable parts referred to herein would be the nozzles current tips spatter discs insulators casing liners and wire inlets D F s sole obligation under this warranty is lim ited to making replacement at its manufacturing facility for barrel assemblies which are returned to it with transportation charges prepaid and upon D F s examination have been found to be so defective Genuine D F...

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