March 1988 FORM: OM-1 563 Effective With Style No. JJ-23 Millerfi MODEL MTTF-1512 MTTF-1 525 MTTF-1512V MTTF-1 525V ALE COPY RETURN TO FOLDER OWNERS IMPORTANT MANUAL Read and understand the entire contents of both this manual and the power source manual used with this unit, with special emphasis on the safety material throughout both manuals, before in- stalling, operating, maintaining this equipment.
LIMITED WARRANTY EFFECTIVE: FEBRUARY 16. 1988 This warranty supersedes all previous MILLER warranties and is LIMITED WARRANTY Subject to the terms and condjtions hereof, Miller Electric Mfg. Co., Appleton. Wisconsin warrants to its Distributor/Dealer that all new and unused Equipment furnished by Miller is free from defect in workmanship and material as of the time and place of delivery by Miller.
SECTION 1 - WARNING UNSAFE PROCEDURES OR PRAC serious personal injury or death. Read, understand, and follow ALL of these safety ru/es before installing, operating, or servicing this _________ TICES can cause equipment. Be sure that all end users equipment, the of this SAFETY RULES PROTECT EYES AND SKIN FROM ARC RAYS; PROTECT EARS FROM NOISE 1 -3. Arc rays from the welding process produce intense heat and strong ultraviolet rays that can burn eyes and skin.
1 - 6. PROVIDE PROTECTION FOR SPECIAL 1 -8. ADDITIONAL SAFETY INFORMATION SITUATIONS Do not weld or cut containers or materials which have held or been in contact with hazardous substances unless they are properly cleaned and a. inspected. information on safe practices for setting up operating electric welding and cutting equipment and on good working habits, ask your welding equip ment supplier.
SECTION 2 - INTRODUCTION Ampere Rating Model at Tungsten 100% Duty Cycle DCEN; ACHF Size Cable Torch Cooling Capacity Length Body Method ~ Net Ship 2.5 lbs. 3 lbs. (1.4 kg) in. Length: 8.0 (203.0 mm) 12.5 ft. MTTF-1 512 Wei g ht (1.1 kg) (3.8m) Handle Diameter: 0.75 in. (19.0 mm) MTTF-1 525 150 Amperes With Argon* .020 thru 1/8 in. (0.5 thru 3.2 mm) Air 25 ft. (7.6 m) Weight: 5.6 (160 g) Length: 4.5 lbs. 5 lbs. (2.0 kg) (2.3 kg) 2.5 lbs. 3 lbs. (1.4 kg) 8.75 in.
2 4. DESCRIPTION This torch is specifically for with the Gas Tungsten Arc Welding (GTAW) pro cess. The alphanumeric model designation refers to the T following: F - - use M T - - Torch Flex Loc Head - - 15 - 12 25 V SECTION 3 - Miller TIG/GTAW - - - . Ampere Rating: 150 Amperes 12.5 ft. (3.8 m) Cable 25 ft. (7.
To install high flex cable, adapter. connect high flex cable fitting to power cable If torch includes a gas valve, connect a suitable length of gas hose (extra hose not supplied) from power cable adapter to regulator/flowmeter (Figure 3-4). If torch is without gas valve, connect a suitable length supplied) from power cable adapter to gas valve outlet. Connect extra gas hose (not supplied) of gas hose (not from gas valve inlet to regulator/flowmeter B. TA-120 998 Torch Gas Valve (Figure 3-5).
Torch Valve Work Clamp Power Cable Adapter Gee Cylinder TA-120 871 Figure 3 - 4. Torch Connection Diagram For Models With Gas Valve r/Flowmeter Torch Work Power Cable Clamp Adapter Gas Cylinder Figure 3 - 5. GTAW Torch Connection SECTION 4 - ELECTRIC SHOCK can kill. Do not touch live electrical parts.
Wear dry insulating clothing and gloves and welding helmet with proper filter lens according to ANSI Z49.1. 5. 6. Energize welding 7. power Stop welding. 1. IMPORTANT: As source. Set gas flow to desired level 4 -2. SHUTIING DOWN (requires open gas gas postflow before closing a general rule, allow 10 seconds of time per 100 amperes of weld current valve. valve). Purge gas hose to c/ear hose of air, any other contaminants.
TUNGSTEN PREPARATAION: IDEAL TUNGSTEN PREPARATION: WRONG Stable Arc Arc Wander Point Flat (the Die. of Radial Ground Flat Govern. Amperage Capacity) TA-120 630 Figure 5 Table 5 Tungsten (Green Band) . - 1. Tungsten Preparation Tungsten Size Chart Amperage Range Electrode Diameter Pure 1. - DC-Argon Negative/ Straight Polarity Electrode - Polarity DC-Argon Electrode Positive/ Reverse Polarity .020 5-20 * .
Item Miller Miller No. Stock No. Model No. Figure 10 11 12 13 14 15 16 17 11 13 18 19 20 20 21 22 Complete Torch Assembly (Contd) A 116260 116208 116219 116217 116220 116217 116216 116218 116207 116217 118510 t116276 116271 116272 120721 120720 Quantity Description 300R 01-0012 01-0002 0 1-0013 01-0002 FLHV 01-0007 01-0002 15PCA 1512PCHF 1525PCHF 1 0-RING FLEX LOC TORCH BODY, w/valve (consisting of) .0-RING .
0 CONSUMABLE PARTS SELECTOR U Body And 0.. Cup R.quir.d To Compl.t. Torch.) Torch.. With High Fi.x Composite C.bi. Also R.qulr. A Power C.bI. Adspt.r. Not.: Coil.t. Colist SHORT FRONT ENDS STANDARD LENOTH FRONT ENDS 0 Tungaten Diameter mm) 1/16 3/32 (1.0) 1.6) 2.4) (3.2) 50-150 70-150 100-235 150-325 150-250 220-350 3C332 118370 3C418 ACHF 5-20 DCSP 5-20 10-80 15-80 ModelNo. 3C20 3C40 3C116 SIOCkNO. 116367 116368 1t6369 Amperage Range 1/8 Shod Standard La..
CROSS REFERENCE TO COMPETITIVE MODEL MILLER STOCK NO. MILLER MODEL NO. COMPETITIVE NO.
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