Miller ANALOG 300 Owner'S Manual Download Page 2 | Manualshive

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Summary of Contents for ANALOG 300

Page 1: ...300 W ELECTROSLOPE W PULSER W ELECTROSLOPE PULSER MODEL STOCK NO SERIAL STYLE NO DATE PURCHASED ADDITIONAL COPY PRICE 1 10 OWNERS MANUAL MILLER ELECTRIC MFG CO APPLETON WISCONSIN USA 54911 FILE COPY...

Page 2: ...e Warranties are covered by the engine manufacturers subject to their procedures and to be handled through their authorized local Service Stations or agencies No warranty will be made in respect to tr...

Page 3: ...for equipment of this type Installations using this equipment on the basis of these tests may reasonably be expected to meet the radiation limitations established by the Federal Communications Commis...

Page 4: ......

Page 5: ...adium zinc mercury and beryllium bearing and simi lar materials when welded or cut may produce harmful concentrations of toxic fumes Adequate local exhaust venti lation must be used or each person in...

Page 6: ...cessive heat sparks slag and flame etc that may cause rupture Do not allow contents to exceed 130F Cool with water spray where such exposure exists Protect cylinders particularly valves from bumps fal...

Page 7: ...arc can cause a retinal burn that may leave a permanent dark area in the field of vision 3 Protection of Nearby Personnel Enclosed welding area For production welding a separate room or enclosed bay...

Page 8: ...ower source and pull all 115 volts line cord plu Do not open power circuit or change polarity while welding If in an emergency it must be disconnected guard against shock burns or flash from switch ar...

Page 9: ...ents will be found that need special emphasis to obtain the most efficient operation of the equipment I I 3 1 LOCATION Figure 3 1 A proper installation site should be selected for the welding power so...

Page 10: ...nspection authority CAUTION_j I The terminal labeled GRD is con nected to the welding power source chassis and is for grounding purposes only Do not connect a conductor from the terminal labeled GAD t...

Page 11: ...Current Control to the CURRENT CONTROL Receptacle insert the three prong plug from the Remote Current Control into the receptacle Rotate the plug clockwise as far as possible thereby locking the plug...

Page 12: ...in the OFF position will shut the welding power source down Even though the POWER Switch is in the OFF posi tion and the welding power source is apparently elec trically shut down electrical input pow...

Page 13: ...Models With Electroslope Controls Only Figure 4 3 Control Panel View For Models With Electroslope Pulser Controls TA 901 410 1 TA 901 417 2 TA 901 417 2 Figure 4 1 Control Panel View For Model With P...

Page 14: ...esent at the welding electrode from the time the contactor is closed until the arc is initiated Once an arc is established and even though the contactor is closed the high frequency will be de energiz...

Page 15: ...elding power source is so equipped A Pulse Width Percent ON Time Control Figures 4 1 4 3 The PULSE WIDTH Control regulates how long the pulse current will be on during one pulse cycle The control dial...

Page 16: ...the current changing linearly from the value set on the INITIAL CURRENT Control to the value set on the WELD BACKGROUND CURRENT Control over a period of 3 seconds The same is true of the downslope if...

Page 17: ...the end of the manual weld to either Crater out with a foot con trol or by closing a momentary contact switch connected between terminals 120 107 on terminal strip 2T use the downslope portion of the...

Page 18: ...elding 12 The WELD BACKGROUND CURRENT Control or INITIAL CURRENT Control on models with electro slope may be adjusted while welding 5 3 AUTOMATIC GAS TUNGSTEN ARC WELDING Models With Electroslope Only...

Page 19: ...nsistent with good welding operation be used NOTE Cleaning or dressing the points of the spark gaps is not recommended as the material at the points is tungsten and is impossible to file The entire po...

Page 20: ...msec This time out begins at the instant of arc initiation as sensed by CR1 6 1 INTEGRATOR PRE AMP BOARD CALIBRATION 1 Adjust Weld control to 300 amps 2 Turn High Frequency starter to off 3 Turn Upslo...

Page 21: ...erforming the following procedures the trouble is still not remedied it is recommended that a serviceperson be called It is recommended that the circuit diagram be used for reference during troublesho...

Page 22: ...HE INITIAL POT IS SET TO THE MID POINT THE VOLTAGE WILL READ 5 VOLTS m Co C CD NOTE 2 TURNING THE FINAL POT SETTING TO ANY SETTING OTHER THAN OFF WILL CAUSE THIS FINAL VOLTAGE TO CHANGE TO SOME CD POS...

Page 23: ...Off CR50 Start Current elay Ckt C12 CR3 Emergency Stop Switch Pressed TD1 Begins To Time Out Start Current Post Flow Delay Ckt Resets PU Picks Up DO Drops Out 0 C V Open Circuit Voltage Power Pilot Li...

Page 24: ...Switch Connected Between 2T1 2T122 Arc Starter Switch On Fan Runs At Low Speed Zero O C V hg Gun In Weld Position Press Foot Control Or Connect 2T1 To2T113 W1 P U CR59 PU Holding Relay After Arc Init...

Page 25: ...ove Link Between 2T1 2T122 Emerg Stop Switch Connected Between 2T1 2T122 Arc Starter Switch On Power Pilot Lite On I I Fan Runs At Zero Low Speed Tig Gun In Weld Position Press Foot Control Or Connect...

Page 26: ...RV Ot Wfl L r ELECTRODE WORK CD 901 410 IC Circuit Diagram No CD 901 410 id r J 4I Figure 7 5 Circuit Diagram For Model With Pulser...

Page 27: ...I __ L ____ a L r i 15 O1 _j c __ rm lh Fi jre 7 6 Circuit Diagram For Model With Electroslope Circuit Diagram No CD 901 408 1 B...

Page 28: ...___________________________________________________________ pppppp ___________ I000000 _ __ __ __ 1O 0 _________po 0 0 1 iJu_ fl4ELECTRODE WORK Figure 7 7 Circuit Diagram For Model With Electroslope a...

Page 29: ...he operator can do a great deal to minimize interference from the source The intensity and frequency of the radiation can be altered over wide limits by changing the location and rela tive position of...

Page 30: ...Welding Leads 8 6 WIRING IN THE VICINITY OF THE WELDING AREA As discussed in the general information section the most serious source of interference is reradiation from wires that are located near th...

Page 31: ...irally wound flexible metallic conduit is not suitable 7 Is the conduit system grounded at a point at least 50 feet from the equipment 8 Is the conduit run complete without any gap in the H F I zone 9...

Page 32: ......

Page 33: ...ENT CONTROL STANDARD____ REMOTE ____ ELECTRODE TYPE ________________ ELECTRODE GAP VOLTAGE ___________ ELECTRODE DRESSING____________ TORCH TYPE ___________________ AUX FILLER WIRE TYPE_ iom WELD PROG...

Page 34: ...ONTROL STANDARD____ REMOTE ____ ELECTRODE TYPE _______________ ELECTRODE GAP VOLTAGE ___________ ELECTRODE DRESSING____________ TORCH TYPE ___________________ AUX FILLER WIRE TYPE iom WELD PROGRESSION...

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