Lincoln Electric SHIELD-ARC 400AS-50 Operating Manual
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Lincoln Electric SHIELD-ARC 400AS-50 Operating Manual

With 12 volt electrics - ka1352
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IMA 554C
September 1998
OPERATING MANUAL
®
SHIELD-ARC
400AS-50
WITH 12 VOLT ELECTRICS - KA1352
SAFETY DEPENDS ON YOU
Lincoln Electric welders are designed and built with safety in mind. However, your overall safety can be
increased by proper installation and thoughtful operation on your part. Read and observe the general safety
precautions on page 2 and follow specific installation and operating instructions included in this manual.
Most importantly, think before you act and be careful.
THE LINCOLN ELECTRIC COMPANY
(AUSTRALIA) PTY. LTD.
A.B.N. 36 000 040 308
SYDNEY. AUSTRALIA
A Subsidiary of
THE LINCOLN ELECTRIC CO. U.S.A.
Associated Subsidiaries in Australasia, Asia, Canada, Europe, North and South America.
THE WORLD'S LEADER IN WELDING AND CUTTING PRODUCTS

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Summary of Contents for Lincoln Electric SHIELD-ARC 400AS-50

  • Page 1 WITH 12 VOLT ELECTRICS - KA1352 SAFETY DEPENDS ON YOU Lincoln Electric welders are designed and built with safety in mind. However, your overall safety can be increased by proper installation and thoughtful operation on your part. Read and observe the general safety precautions on page 2 and follow specific installation and operating instructions included in this manual.

  • Page 2: Arc Welding Safety Precautions

    PROTECT YOURSELF AND OTHERS FROM POSSIBLE SERIOUS INJURY OR DEATH. READ AND UNDERSTAND BOTH THE SPECIFIC INFORMATION GIVEN IN THE OPERATING MANUAL FOR THE WELDER AND/OR OTHER EQUIPMENT TO BE USED AS WELL AS THE FOLLOWING GENERAL INFORMATION. ARC WELDING SAFETY PRECAUTIONS ARC RAYS can burn ELECTRIC SHOCK can kill 1.
  • Page 3 3. Should the primary cord be damaged, a special cord is required, and is available from Lincoln Electric. 4. Parts should be ordered from Lincoln, its offices or the nearest Authorised Field Service Shop. (The “Lincoln Service Directory”...

  • Page 4: Welding, Emf & Pacemakers

    (This is also a good different from you and your pacemaker. practice to eliminate a common problem on welding - a poor work connection. • Do not work next to the welding power source. Page 4 Shield-Arc 400AS-50 IMA 554C...

  • Page 5: Instructions For Electromagnetic Compatibility

    British Standard EN 50199) according to the manufacturer’s recommendations.If interference • for using with other Lincoln Electric/LiquidArc equipment. occurs, it may be necessary to take additional precautions such as filtering the mains supply. Consideration should be given to •...

  • Page 6: Welder Specifications

    * Available while welding. (Refer table next page for welder/auxiliary power ratio.) special welder windings N.B. If 240 volt and 115 volt supply are being used simultaneously the totalcurrent drawn should not exceed 20 amps. KA1352 - 12V starter motor, battery and alternator Page 6 Shield-Arc 400AS-50 IMA 554C...

  • Page 7: Operating Instructions

    The second light, mounted above the battery charge alternator generator from building up to full voltage. light, is the engine watcher operation light. This light glows to indicate that the engine watcher is functioning correctly. IMA 554C Shield-Arc 400AS-50 Page 7...

  • Page 8: Welder Operation

    It is also important that an adequately rated isolation switch is Welders with 240 volt, 50 Hz. auxiliary A.C. outlets can be used used to ensure that the stand-by power unit and the Authorities’ as stand-by power units. Supply are not connected on parallel. Page 8 Shield-Arc 400AS-50 IMA 554C...

  • Page 9: Maintenance And Lubrication

    Remove the earth leads from: 1MΩ) The bridge rectifier (mounted on the brush holder Remove jumper leads. Reconnect leads bracket). disconnected during this procedure. IF ANY PROBLEMS ARE ENCOUNTERED REFER TO YOUR NEAREST AUTHORISED LINCOLN FIELD SERVICE SHOP IMA 554C Shield-Arc 400AS-50 Page 9...

  • Page 10: Troubleshooting

    Replace brush springs Main brushholder rocker (7) moved position. Realign drilled marker points Commutator may be dirty (7A). Refer maintenance section page 6 2 segments on commutator burnt (7A) (open in that coil). Repair or replace Page 10 Shield-Arc 400AS-50 IMA 554C...

  • Page 11: Troubleshooting (Cont)

    Welding output ok., but Aux power circuit breaker tripped. Reset no auxiliary output. Broken wires. Repair or replace Open circuit in auxiliary power (18) windings Repair or replace stator IMA 554C Shield-Arc 400AS-50 Page 11...
  • Page 12 Bottom Radiator Hose Lockwasher ( ” dia.) Top Radiator Hose Hex. Head Screw ( ” x ”) Radiator Hose Clamp Lockwasher ( ” dia.) Radiator Self Tapping Screw Radiator Shroud Water Outlet Flat Washer Page 12 Shield-Arc 400AS-50 IMA 554C...
  • Page 13 Saddles (Mounts Fuel lines) (Not Shown) Supports Oil Pressure Line on Fuel Tank Rail Main Generator Cover (220mm wide) (N/S) Nut, bolt and washer sizes are given so that they may be procured locally. *Specify if Sound Reduced IMA 554C Shield-Arc 400AS-50 Page 13...
  • Page 14 Canopy Brush Holder Spring Contact Spring Rd. Hd. Screw Lockwasher Shaft Tube Hex. Hd. Screw Washer Spring Clip Spring Nut, bolt and washer sizes are given so that they may be procured locally. Page 14 Shield-Arc 400AS-50 IMA 554C...

  • Page 15: Alternator Assembly

    Rotor Brush Holder Assembly (Not Shown) (See AP -1-D) Capacitor Assembly, includes: (Not Shown) (See AP -1-D) AL2328 Slip Ring Brush Holder Support Bracket Capacitors (200 MFD) AM 2373 24/10/90 Bridge Rectifier (fitted on S/ring B/hold Bkt) AM3228 IMA 554C Shield-Arc 400AS-50 Page 15...
  • Page 16 Welder Code and Brushhloder Assy, includes Serial Number. Brushholder Stud Retainer Assembly Washer Insulating Washer Insulating Tube Washer Spring Clip Spring Lockwasher Hex. Head Bolt Hex. Head Bolt Round Head Screw Round Head Screw Lockwasher Page 16 Shield-Arc 400AS-50 IMA 554C...

  • Page 17: Control Panel

    Switch Lockwasher Flange Nut Truss Head Screw Connector – 3 Pin Hex Nut Self Tapping Screw Starwasher Handle Rd Head Screw Red Indicator Hex Nut Lamp Springwasher Temperature Gauge Round Head Screw Warning Decal IMA 554C Shield-Arc 400AS-50 Page 17...

  • Page 18: Wiring Diagram

    Wiring Diagram Page 18 Shield-Arc 400AS-50 IMA 554C...
  • Page 19 “U” Bolts 2 Shackle Bolts with grease hole Turnbuckle ( ”) 6 Nyloc Nuts (Hooks each and Tail Lamp to Trafficator) Nut, bolt and washer sizes are given so that you may procure locally. IMA 554C Shield-Arc 400AS-50 Page 19...
  • Page 20 Hex. Bolt, Flatwasher and Nyloc Nut 4 sets ” x ” UNC) Shackle Bolts and Nuts 4 sets Hex Nuts (U-Bolt) Hanger Plate U-Bolt Grease Nipple (Not Shown) Shackle Bolt and Nut 1 set Shackle Page 20 Shield-Arc 400AS-50 IMA 554C...

  • Page 21: Recommended Spare Parts

    If working at remote sites, the highlighted items should be carried to support one 400AS machine for a period of one year. Other items are optional and could assist in minimising potential down time and delay. Lincoln Shield-Arc 400AS-50 (KA1352) For codes 1297 & up Part No.
  • Page 22 NOTES Page 22 Shield-Arc 400AS-50 IMA 554C...
  • Page 23 NOTES IMA 554C Shield-Arc 400AS-50 Page 23...

  • Page 24: Limited Warranty

    Briggs & Stratton for 5 years. CUSTOMER ASSISTANCE POLICY service dealer). The business of The Lincoln Electric Company is manufacturing and selling high quality Kubota Engines and Accessories *Subject to conditions welding equipment, consumables, and cutting equipment. Our challenge is to meet the (Warranty service can only be carried out an imposed by Kubota.

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