Miller SSW-2020ATT Owner'S Manual Download Page 1

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OM-745

201 170B

March 2003

Processes

Description

Resistance Spot
Welding

SSW-2020ATT, And SSW-2040ATT

Visit our website at

www.MillerWelds.com

Summary of Contents for SSW-2020ATT

Page 1: ...OM 745 201 170B March 2003 Processes Description Resistance Spot Welding SSW 2020ATT And SSW 2040ATT Visit our website at www MillerWelds com...

Page 2: ...value established in 1929 This Owner s Manual is designed to help you get the most out of your Miller products Please take time to read the Safety precautions They will help you protect yourself again...

Page 3: ...4 2 4 Overview Of System Connections 5 2 5 Installing Or Cleaning Tongs 6 2 6 Coolant Connections 7 2 7 Hanging Bracket Installation Portable Models Only 7 2 8 Connecting Input Power 8 2 9 Electrical...

Page 4: ......

Page 5: ...cause fatal shocks or severe burns The input power circuit and machine internal circuits are also live when power is on Incorrectly installed or improperly grounded equipmentis a hazard ELECTRIC SHOCK...

Page 6: ...e eyes D Wear approved safety glasses with side shields or wear face shield MAGNETIC FIELDS can affect pacemakers D Pacemaker wearers keep away D Wearers should consult their doctor before go ing near...

Page 7: ...rcuit Voltage SSW 2020 230 90 1 4 in 6 3 mm 20 kVA 40 12 500 10 500 9000 3 55 SSW 2040 460 45 1 4 in 6 3 mm 20 kVA 40 12 500 10 500 9000 3 55 Based on 10 second time period means unit can weld for 5 s...

Page 8: ...straps 2 1 2 4 Overview Of System Connections 802 792 A Spotwelder system Coolant Air in Coolant line see Section 2 6 Coolant line Pedestal Normally 5 8 18 left hand threaded receptacles Input power...

Page 9: ...re lease pressure on bottom tong 5 Bottom Tong Slide tong into bottom tong holder as far as possible and position so that tip is pointing straight up Turn cam nut clockwise to secure tong in holder Ti...

Page 10: ...proper operation coolant supply must have a minimum pressure of 30 psi 207 kPa a maximum temper ature of 86 F 30 C and a flow rate of 2 5 to 3 qt min 2 4 to 2 8 L min Obtain two hoses of desired leng...

Page 11: ...Air In fitting 1 See manufacturer s instructions supplied with filter regulator FR assembly for complete installationand preparation instructions 6 5 2 3 5 8 in 1 1 4 Inch Pipe Thread 1 4 Inch Pipe Th...

Page 12: ...e input power connec tions to the machine before making connections into a deenergized line disconnect device In the line disconnect device always connect green or green yellow grounding conductor to...

Page 13: ...tep 6 Step 7 Air Supply Air Supply On Start 13 16 in Loosen both nuts and push tong tips together Begin to tighten top nut This causes tong tips to open Stop when opening is a little less than thick n...

Page 14: ...eld position tongs have weld amper age present after the squeeze time has ended 3 Weld Amperage Control Turn clockwise to increase current Chang ing the weld current value does not affect the duty cyc...

Page 15: ...Off power before checking fuse Fuse F1 and Power pilot light cir cuit breaker switch S1 protect the control circuitry If either the fuse or the circuit break er opens the unit shuts down Turn switch O...

Page 16: ...rom side to side when removing or tele scoping tube will snap off Installation Coat taper area of tip with pipe sealant compound Pull tele scoping tube all the way up but not out Use a plastic or leat...

Page 17: ...k contactor W Low weld output pilot light On Dress or replace tips see Section 4 3 Remove and clean ends of tongs and tong holders see Section 2 5 Adjust tong pressure see Section 2 10 Longer than nor...

Page 18: ...OM 745 Page 14 SECTION 5 ELECTRICAL DIAGRAMS 199 202 Figure 5 1 Circuit Diagram For Stationary Models 200 302 A Figure 5 2 Circuit Diagram For Foot Control...

Page 19: ...2040ATT 209 661 FILTER REGULATOR 1 Fig 6 2 RESISTANCE SPOT WELDER air 1 Fig 6 4 PEDESTAL air operated 1 Fig 6 3 RFSW 10 20 1 Fig 6 6 TONGS Optional 1 603 105 HOSE nprn brd No 1 x 312 ID order by ft 7...

Page 20: ...OM 745 Page 16 Figure 6 2 Resistance Spot Welder Air 802 774 A Hardware is common and not available unless listed...

Page 21: ...3 110 530 INSULATION tong bottom 1 34 110 529 CLAMP tong bottom 1 35 110 533 STRIP polyest gl 125 x 2 750 x 3 312 1 36 110 536 CAM tong 1 37 110 903 HOUSING front transformer 1 38 110 535 CAM pin tong...

Page 22: ...LE port 20ga 5 c order by ft 6ft 5 PLG1 079 878 HOUSING PLUG PINS service kit 1 6 187 078 COVER guard 1 7 182 626 SPRING ext 1 801 931 B Hardware is common and not available unless listed 1 1 2 4 1 7...

Page 23: ...OM 745 Page 19 Notes...

Page 24: ...OM 745 Page 20 802 765 A Hardware is common and not available unless listed Figure 6 4 Pedestal Air Operated SSW Models...

Page 25: ...0 9 99 sec 120 VAC 60 Hz cycle timer 1 15 S3 196 575 SWITCH rocker SPST 10A 250VAC on none off 250 qc 1 16 044 747 HOLDER fuse crtg 30A 600V 1 17 F1 128 430 FUSE crtg 1A 600V 1 18 097 926 KNOB pointer...

Page 26: ...OM 745 Page 22 027 777 A 1 2 3 4 5 6 7 8 9 Hardware is common and not available unless listed Figure 6 5 Tongs...

Page 27: ...consisting of 90 deg 1 4 027 757 TUBE ASSEMBLY tong consisting of 90 deg 1 4 027 756 TUBE ASSEMBLY tong consisting of 90 deg 1 4 027 766 TUBE ASSEMBLY tong consisting of 45 deg 1 4 027 765 TUBE ASSEMB...

Page 28: ...op TT 9W Tongs top WHERE USED STANDARD 90 No 1 Morse Taper No 2 Morse Taper 040 218 040 219 040 220 041 001 6 in 150 mm 12 in 304 mm 18 in 457 mm TONG LENGTH TONGS 4 1 4 in 108 mm 6 1 4 in 159 mm 4 1...

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Page 31: ...ols Accessory Kits Replacement Parts No labor Spoolmate Spoolguns Canvas Covers Miller s True Blue Limited Warranty shall not apply to 1 Consumable components such as contact tips cutting nozzles cont...

Page 32: ...complete and retain with your personal records Always provide Model Name and Serial Style Number Call 1 800 4 A Miller or see our website at www MillerWelds com to locate a DISTRIBUTOR or SERVICE AGEN...

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