Instruction/ maintenance manual of the product SRH-503 Miller Electric
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Processes Description Stick (SMAW ) W elding OM-2236 205 982G May 2004 Air Carbon Arc (CAC-A) Cut- ting and Gouging Arc Welding Power Source Submerged (SAW) W elding SRH-503 Visit our website at www.
Miller Electric manufactures a full line of welders and welding related equipment. For information on other quality Miller products, contact your local Miller distributor to receive the latest full line catalog or individual catalog sheets. T o locate your nearest distributor or service agency call 1-800-4-A-Miller , or visit us at www .
T ABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1. Symbol Usage 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Notes.
OM-2236 Page 1 SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING som _8/03 1-1. Symbol Usage Means W arning! W atch Out! There are possible hazards with this procedure! The possible hazards are shown in the adjoining symbols. Y Marks a special safety message.
OM-2236 Page 2 Arc rays from the welding process produce intense visible and invisible (ultraviolet and infrared) rays that can burn eyes and skin. Sparks fly off from the weld. ARC RA YS can burn eyes and skin. D Wear a welding helmet fitted with a proper shade of filter to protect your face and eyes when welding or watching (see ANSI Z49.
OM-2236 Page 3 1-3. Additional Symbols For Installation, Operation, And Maintenance FIRE OR EXPLOSION hazard. D Do not install or place unit on, over , or near combustible surfaces. D Do not install unit near flammables. D Do not overload building wiring − be sure power supply system is properly sized, rated, and protected to handle this unit.
OM-2236 Page 4 1-5. Principal Safety Standards Safety i n W elding, Cutting, and Allied Processes, ANSI Standard Z49.1, from American W elding Society , 550 N.
OM-2236 Page 5 SECTION 2 − CONSIGNES DE SÉCURITÉ − À LIRE A V ANT UTILISA TION som_fre 8/03 2-1. Signification des symboles Signifie « Mise en garde. Faire preuve de vigilance. » Cette procédure présente des risques identifiés par les symboles adjacents aux directives.
OM-2236 Page 6 Le rayonnement de l’arc génère des rayons visibles et invisibles intenses (ultraviolets et infrarouges) suscep- tibles de causer des brûlures oculaires et cutanées. Des étincelles sont projetées pendant le soudage. LES RA YONS DE L ’ARC peuvent ca u- ser des brûlures oculaires et cuta- nées.
OM-2236 Page 7 2-3. Autres symboles relatifs à l’installation, au fonctionnement et à l’entretien de l’appareil. Risque D’INCENDIE OU D’EXPLO- SION D Ne pas placer l’appareil sur une surface inflam- mable, ni au−dessus ou à proximité d’elle.
OM-2236 Page 8 2-4. Principales normes de sécurité Safety in W elding, Cutting, and Allied Processes, norme ANSI Z49.1, de l’American W elding Society , 550 N. W . LeJeune Rd, Miami FL 33126 (téléphone : (305) 443−9353, site Web : www .aws.org).
OM-2236 Page 9 SECTION 3 − DEFINITIONS 3-1. General Precautionary Label W arning! W atch Out! There are possible hazards as shown by the symbols. 1 Electric shock from welding electrode or wiring can kill. 1.1 W ear dry insulating gloves. Do not touch electrode with bare hand.
OM-2236 Page 10 3-2. Input Connection Label 1 W arning! W atch Out! There are possible hazards as shown by the symbols. 2 Electric shock from wiring can kill. 3 Disconnect input plug or power before working on machine. 4 Read the Owner ’ s Manual before working on this machine.
OM-2236 Page 1 1 SECTION 4 − INST ALLA TION 4-1. Specifications Rated Welding Amperes Input at Rated Load Output, 60 Hz, Three-Phase Model Rated W elding Output Amp Range DC Max OCV DC 220-230 V 440-460 V KV A KW 500 Amp 500 A @ 40 V olts DC, 60% Duty Cycle 50 − 525 77 98 4.
OM-2236 Page 12 4-3. V olt-Ampere Curves V olt-ampere curves show mini- mum and maximum voltage and amperage output capabilities o f unit. Curves of other settings fall be- tween curves shown. 206 054 4-4. Selecting A Location 1 Lifting Eye 2 Lifting Forks Use lifting eye or lifting forks to move unit.
OM-2236 Page 13 4-5. Dimensions And W eights Dimensions w/Running Gear And Lift Eye C Dimensions w/Running Gear And Lift Eye C D E Height 35-1/4 in (895 mm) E 4 Holes Width 28 in (71 1 mm) Depth 33-1/.
OM-2236 Page 14 4-7. Selecting And Preparing W eld Output Cables 10 ft (3 m) 1 T otal Cable Length In Weld Circuit = 20 ft (6 m) 10 ft (3 m) For Example, 2 4 3 2 T ools Needed: sb6.1 1 1/92 − S-0653 1 Weld Output Cable Determine t o t a l c a b l e length in weld circuit and maximum welding am- peres.
OM-2236 Page 15 4-9. Connecting T o Weld Output T erminals Ref. 803 026-C T ools Nee d e d : 1 2 3/4 in Y T urn off power before con- necting to weld output terminals. 1 Positive (+) W eld Output T erminal 2 Negative (−) Weld Output T erminal 3 Cable Restraint Route weld cables through cable restraint.
OM-2236 Page 16 4-1 1. Placing Jumper Links Y Disconnect a nd lockout/tag- out input power before installing or moving jumper links. Check input voltage available at site. 1 Jumper Link Label Check label − only one is on unit. 2 Jumper Link Move jumper links to match input voltage, and label on unit.
OM-2236 Page 17 4-12. Connecting Input Power 800 103-C / Ref. 801 1 16-A 3/8 in 3/8 in T ools Nee d e d : Y Installation must meet all National an d Local Codes − have only quali- fied persons make this installation. Y Disconnect and lockout/tagout in- put power before connecting input conductors from unit.
OM-2236 Page 18 SECTION 5 − OPERA TION 5-1. Controls 2 1 3 1 Power Switch W/Indicator Lamp When the switch is turned on, the lamp lights to indicate power has been applied to the unit. Y If the indicator lamp does no t light when the power switch is turned on, replace the switch.
OM-2236 Page 19 5-2. Electrode/Amperage Selector.
OM-2236 Page 20 SECTION 6 − MAINTENANCE & TROUBLESHOOTING 6-1. Routine Maintenance Y Disconnect power before maintaining. 3 Months Replace unreadable labels. Clean and tighten weld terminals. Repair or replace cracked weld cable. 6 Months Blow out or vacuum inside.
OM-2236 Page 21 6-3. T roubleshooting T able T rouble Remedy No weld output; unit completely inoperative. Place line disconnect switch in On position (see Section 4-12 ). Check fuse F1 and replace if necessary (see Section 6-2). Check and replace line fuse(s) if necessary (see Section 4-12 ).
OM-2236 Page 22 Notes.
OM-2236 Page 23 SECTION 7 − ELECTRICAL DIAGRAM 205 900-C Figure 7-1. Circuit Diagram . For Primary Circuit Diagram Portion, refer to Circuit Diagram located inside wrapper of welding power source.
OM-2236 Page 24 SECTION 8 − P ARTS LIST ST-803 137-D . Hardware is common and not available unless listed. 1 2 8 10 9 5 27 1 11 12 13 14 15 17 16 18 6 7 3 4 19 4 2 3 28 29 30 33 32 31 38 39 47 36 40 35 48 44 42 41 43 45 37 34 50 58 57 56 49 51 52 53 54 55 49 25 24 23 22 21 20 26 59 60 61 62 60 Figure 8-1.
OM-2236 Page 25 Description Part No. Dia. Mkgs. Item No. Figure 8-1. Main Assembly Quanti ty 1 176254 LABEL,GENERAL PRECAUTIONARY WORDLESS,INTL 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 +179430 P ANEL,SIDE 2 . . . . . . . . . . .
OM-2236 Page 26 Description Part No. Dia. Mkgs. Item No. 8-1. Main Assembly (continued) Quanti ty 53 205885 SP ACER,STL .500 ID X .625 OD X 1.267 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 024620 SPROCKET ,W/1/8 HOLE 2 .
Warranty Questions? Call 1-800-4-A-MILLER for your local Miller distributor. miller_warr 3/04 Y our distributor also gives you ... Service Y ou always get the fast, reliable response you need. Most replacement parts can be in your hands in 24 hours. Support Need fast answers to the tough welding questions? Contact your distributor .
PRINTED IN USA 2004 Miller Electric Mfg. Co. 1/04 Miller Elect ric Mfg. Co. An I l li noi s T ool W ork s Company 1635 W es t Spencer St reet Applet on, W I 5 4914 USA International He adquarters.
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If you have not bought Miller Electric SRH-503 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Miller Electric SRH-503 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Miller Electric SRH-503 you will learn all the available features of the product, as well as information on its operation. The information that you get Miller Electric SRH-503 will certainly help you make a decision on the purchase.
If you already are a holder of Miller Electric SRH-503, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Miller Electric SRH-503.
However, one of the most important roles played by the user manual is to help in solving problems with Miller Electric SRH-503. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Miller Electric SRH-503 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
