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Miller Electric MTL-17 manual

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Table of contents for the manual

  • Page 1

    Millerfi January 1994 Form: OM-1563B Effective With Style No. KB-8 OWNERS MANUAL MTL-1 7 Torches ~' F'~~ r. Read and follow these instructions and all safety blocks carefully.  Have only trained and qualified persons install, operate, or service this unit.  Give this manual to the operator. ~ .  For help, call your distrib[...]

  • Page 2

    MILLERS TRUE BLU ETM LIMITED WARRANTY Effective January 1.1992 (Equipment with a serial number preface of KC or newer) This Limited warranty suoersedes all previous MILLER warranties and is exclusive with ire other gualantees Or warlantres expressed or implied :I~I LIMITED WARRANTY  Sub~ect to the terms and conditions below. MILLER Elec[...]

  • Page 3

    SAFETY PRECAUTIONS FOR GTAW TORCHES ELECTRIC SHOCK can kill. 1. Always wear dry insulating gloves. 2. Insulate yourself from work and ground. 3. Do not touch live electrode or electrical parts. 4. Repair or replace worn, damaged, or cracked torch or cable insulation. 5. Turn oft welding power source before changing tungsten electrode or torch parts[...]

  • Page 4

    TABLE OF CONTENTS SECTION 1 - SAFETY INFORMATION . 1 SECTION 2- SPECIFICATIONS 2-1. Duty Cycle 2 SECTION 3- INSTALLATION & OPERATION 3-1. Required Torch Parts And Torch Assembly 2 3-2. Adjusting Flex-Lok Head 3 3-3. Connecting Torch 4 SECTION 4- MAINTENANCE & TROUBLESHOOTING 5 SECTION 5 TUNGSTEN ELECTRODE 5-1. Selecting Tungsten Electrod[...]

  • Page 5

    SECTION 1 - SAFETY INFORMATION Figure 1-1. Safety Information SECTION 2- SPECIFICATIONS Table 2-1. Welding Torch modl.t 2.93 Specification Description Model Description MT: Miller Torch; L: Flex Lok; 17: 150 Ampere Rating; V: Gas Valve 12:12-1/2 ft(3.8 m) Cable; 25: 25 ft (7.6 m) Cable; 1: One-Piece Cable Example: MTL-17-12  Miller Torch; Flex L[...]

  • Page 6

    2-1. Duty Cycle Obtain the following parts (see Section 6): 1 Tungsten Electrode (See Section 5) 2 Cup 3 Collet Body 4 Standard Collet 5 Reverse Collet Reverse collet improves electrical contact of tungsten electrode. 6 Power Cable Adapter Assembling Torch Body 7 Flex-Lok Head 8 Heat Shield 9 Backcap (Short Backcap Shown) 10 0-Ring Installing Tungs[...]

  • Page 7

    3-2. Adjusting Flex-Lok Head CAUTION TOOLS can damage torch.  Do not use hand tools to adjust torch flex-bk head. Hold stem and turn head one lull turn. 1 Head Adjusting Stem 2 Head Turn head and stem to desired angle. Figure 3-2. Adjusting Flex-Lok Head ST-~42 083.A ~1~ Hold stem and turn head until tight. OM-1563 Page 3[...]

  • Page 8

    3-3. Connecting Torch ~ ~ ~ READ SAFETY BLOCKS at beginning 4jj~1 ~ of manual before proceeding. BUILDUP OF SHIELDING GAS can harm health or kill. 0 Shut off shielding gas supply when not in use. warnl.1 9/91 Turn Off welding power source, and If applicable. install high-frequency unit, disconnect input power before in stalling torch. Obtain the fo[...]

  • Page 9

    SECTION 4 MAINTENANCE & TROUBLESHOOTING 4.. ~. ~ V~ ~ READSAF of manual ETYBLOCKSatbeginning before proceeding. Figure 4-1. Maintenance Schedule Table 4-1. Troubleshooting N OTE 1 Before using troubleshooting table, check selection and preparation of tungsten electrode according to Section 5. Trouble Remedy Lack of high frequency~ difficulty[...]

  • Page 10

    SECTION 5- TUNGSTEN ELECTRODE mod2. I 3/93 NOTE ~ Foradditional information, see your distributor fora handbook on the Gas Tungsten I Arc Welding (GTAW) process. Wear clean gloves to prevent contamination of tungsten electrode. 5-1. Selecting Tungsten Electrode Table 5-1. Tungsten Size Electrode Diameter Amperage Range. Gas Type, - Polarity DC  [...]

  • Page 11

    5-2. Preparing Tungsten Figure 5-1. Preparing Tungsten For AC Or DC Electrode Positive (DCEP) Welding H 2-1/2 Times Electrode Diameter 1 Tungsten Electrode 2 Tapered End Grind end of tungsten on fine grit, hard abrasive wheel before weld. ing. Do notuse wheel for other jobs or tungsten can become contami nated causing lower weld quaIity~ Ret S01[...]

  • Page 12

    SECTION 6- PARTS LIST Figure 6-1. Complete Torch Assembly Item Stock No. No. Model No. Description Quantity Figure 6-1. Complete Torch Assembly  OPTIONAL BE SURE TO PROVIDE MODEL AND STYLE NUMBER WHEN ORDERING REPLACEMENT PARTS. Fig 6-2 4 11 Fig 6-2  Fig 6-22 16 17 18 6 SB120 867 20 1 2 3 4 . 5 118 526 . . . . FL3L . . . . 116256. .. 30[...]

  • Page 13

    d CONSUMABLE PARTS SELECTOR Standard LenyIh Gas Lens 3GL-XXX Use 3GHS Heat SIseki Stock No 119914 Large Diarrieler Gas Lens 3GLL-XXX Use ~ Neat Shield Stock No 119915 SHADED AREAS INDICATE RECOMMENDED USAGE S-0768 (Note: Cottet Body and Gas Cup required to complete torch). Torches with high Rex composite cable also require a power cable adapter. 0 [...]

  • Page 14

    Table 6-1. Cross Reference To Competitive Model COMPETITIVE STOCK NO. MODEL NO. NO. STOCK NO. MODEL NO. COMPETITIVE NO. 116367 116368 116369 116 370 116371 116 379 116 380 116381 116382 116383 116 361 116 362 116363 116364 116365 116 347 116 348 116349 116 350 116351 116 352 116353 116354 116343 116344 3020 3C40 . . . 3C116 3C332 3C418 7C20 . 7C40 [...]

  • Page 15

    [...]

  • Page 16

    OPTIONS AND ACCESSORIES For TOTAL TIG system, select one each of the following items:  Welding power source  TIG torch  TIG kit (see hG kits listed below)  Coolant system (it using water cooled torch)  Remote control Note: The other items necessary to weld are power source primary cable. shielding gas, and filler metal. KIT FOR MT[...]

  • Page 17

    Miller. OWNERS MANUAL ~=l~ ''~7 ~1fJ~ ~r' ~ MTL-1 7 Torches ~/J> ~ ~ U ~  ~ Read and follow these instructions and all safety blocks carefully. Have only trained and qualified persons install, operate, or service this unit. Call your thstributor if you do not understand the directions. j- ~ I Give this manual to the opera[...]

  • Page 18

    u-f MILLERS TRUE BLUETM LIMITED WARRANTY Effective January 1. 1992 (Equipment with a serial number preface of KC or newer) This umited warranty supersedes alt previous MtLLER warranties and is erctusiue witn to other guarantees or warranties esoressed or implied :1~. .1 LIMITED WARRANTr Subtect to the terms and conditions betow MILLER Elec[...]

  • Page 19

    SAFETY PRECAUTIONS FOR GTAW TORCHES ELECTRIC SHOCK can kill. 1. Always wear dry insulating gloves. Insulate yourself from work and ground. Do not touch live electrode or electrical parts. Repair or replace worn, damaged, or cracked torch or cable insulation. Turn off welding power source before changing tungsten electrode or torch parts. Keep all c[...]

  • Page 20

    TABLE OF CONTENTS SECTION 1  SAFETY INFORMATION 1 SECTION 2 SPECIFICATIONS 2-1. DutyCycle 2 SECTION 3-INSTALLATION & OPERATION 3-1. Required Torch Parts And Torch Assembly 2 3-2. Adjusting Flex-Lok Head 3 3-3. Connecting Torch 4 SECTION 4- MAINTENANCE & TROUBLESHOOTING 5 SECTION 5 TUNGSTEN ELECTRODE 5-1. Selecting Tungsten Electrod[...]

  • Page 21

    SECTION 1 - SAFETY INFORMATION Figure 1-1. Safety Information SECTION 2- SPECIFICATIONS Table 2-1. Welding Torch 12-1/2 ft (3.8 m) Cable 25 ft (7.6 m) Cable 12-1/2 ft (3.8 m) Cable With Gas Valve 25 ft (7.6 m) Cable With Gas Valve Net: 2.5 lb (1.1 kg), Ship: 3 lb (1.4 kg) Net: 4.5 lb (2kg); Ship: 5 lb (2.3 kg) Net: 2.5 lb (1.1 kg); Ship: 3 lb (1.4 [...]

  • Page 22

    2-1. Duty Cycle CAUTION ;~ WELDING LONGER THAN RATED DUTY CYCLE can damage torch and void warranty.  Do not weld at rated load longer than shown below. wiwarne.r 8/93 100% Duty Cycle At 150 Amperes Using Argon Gas Definition Duty Cycle is percentageof 10 minutes that torch can weld at rated load without overheating. Continuous Welding sb1 5 8[...]

  • Page 23

    3-2. Adjusting Flex-Lok Head a CAUTION_____ TOOLS can damage torch.  Do not use hand tools to adjust torch flex-bk head. Hold stem and turn head one full turn. I 1 Head Adjusting Stem 2 Head Turn head and stem to desired angle. Figure 3-2. Adjusting Flex-Lok Head ST.142 083A I Hold stem and turn head until tight. OM-1563 Page 3[...]

  • Page 24

    3-3. Connecting Torch l.~ 4//~~~ READ SAFETY BLOCKS at beginning BUILDUP OF SHIELDING GAS can harm health or kill. S Shut off shielding gas supply when not in use. warnll 9/91 1~ If applicable, install high-frequency unit. Turn Off welding power source, and disconnect input power before in stalling torch. Obtain the following hose: Torch With G[...]

  • Page 25

    SECTION 4 MAINTENANCE & TROUBLESHOOTING ~.: k~-~ ~ READ SAF of manual ETY BLOCKS at beginning before proceeding. Figure 4-1. Maintenance Schedule Table 4-1. Troubleshooting NOTE Before using troubleshooting fable, check select ion and preparation of tungsten ~_. electrode according to Section 5. Turn Off all power before maintaining. Torch C[...]

  • Page 26

    SECTION 5 TUNGSTEN ELECTRODE  Typical argon shielding gas flow rates are 15 to 35 cfh (cubic feet per hour). Not Recommended. The figures listed are intended as a guide and are a composite of recommendations from manufacturers, mod2.1 3/93 NOTE ~ Foradditional in formation, see yourdistributorfora handbook on the Gas Tungsten Arc Welding (GTA[...]

  • Page 27

    5-2. Preparing Tungsten a CAUTION FLYING SPARKS AND HOT METAL can cause injury and start fires.  Shape tungsten electrode only on grinder with properguards in a safe location wearing proper face, hand, and body protection.  Keep flammables away. w~rn2.I 9/91 1 Tungsten Electrode 2 2 Tapered End Grind end of tungsten on fine grit, hard abrasiv[...]

  • Page 28

    SECTION 6- PARTS LIST Figure 6-1. Complete Torch Assembly Item Stock No. No. Model No. Description Figure 6-1. CompleteTorch Assembly Quantity . OPTIONAL BE SURE TO PROVIDE MODEL AND STYLE NUMBER WHEN ORDERING REPLACEMENT PARTS. OM-1563 Page 8 Fig 6-2 4 Fig6-2 3. 16 18 J27 / 6 F-i 20 SB120 B67 1 2 3 4 . 5 . . 118 526 . . . . FL3L . . . . . 11[...]

  • Page 29

    CONSUMABLE PARTS SELECTOR Standard Lerrgrh Gas Lens 3GL-XXX Use 3GHS Heal Shield Stock No 119914 Large Diameter Gas Lens 3GLLXXX Use 3GHSLO Heat Sheld Stock NO 119915 SHADED AREAS INDICATE RECOMMENDED USAGE S-0768 (Note: Coltet Body and Gas Cup required to complete torch). Torches with high Rex composite cable also require a power cable adapter.[...]

  • Page 30

    Table 6-1. Cross Reference To Competitive Model COMPETITIVE STOCK NO. MODEL NO. NO. COMPETITIVE STOCK NO. MODEL NO. NO. 116367 116 368 116369 116370 116371 116 379 116380 116381 116 382 116 383 116361 116 362 3020 3C40 3C116 3C332 3C418 7C20 7C40 7C116 70332 7C418 3CB20 3CB40 10N21 10N22 10N23 10N24 10N25 N/A N/A N/A N/A N/A 10N29 1 0N30 119 934 11[...]

  • Page 31

    [...]

  • Page 32

    OPTIONS AND ACCESSORIES For TOTAL TlG~ system, select one each of the following items:  Welding power source  TIG torch  TIG kit (see TIC kits listed below)  Coolant system (if using water cooled torch)  Remote control Note: The other items necessary to weld are power source primary cable. shielding gas, and filler metal. KIT FOR [...]