Lincoln Electric IDEALARC AC-1200 User Manual Download Page 4

FOR ELECTRICALLY
powered equipment.

8.a. Turn off input power using the disconnect

switch at the fuse box before working on
the equipment.

8.b. Install  equipment  in  accordance  with  the  U.S.  National

Electrical  Code,  all  local  codes  and  the  manufacturer’s
recommendations.

8.c. Ground the equipment in accordance with the U.S. National

Electrical Code and the manufacturer’s recommendations.

CYLINDER may explode
if damaged.

7.a. Use  only  compressed  gas  cylinders

containing  the  correct  shielding  gas  for  the
process  used  and  properly  operating
regulators  designed  for  the  gas  and

pressure used. All hoses, fittings, etc. should be suitable for
the application and maintained in good condition.

7.b. Always  keep  cylinders  in  an  upright  position  securely

chained to an undercarriage or fixed support.

7.c. Cylinders should be located:

• Away from areas where they may be struck or subjected to

physical damage.

• A safe distance from arc welding or cutting operations and

any other source of heat, sparks, or flame.

7.d. Never  allow  the  electrode,  electrode  holder  or  any  other

electrically “hot” parts to touch a cylinder.

7.e. Keep your head and face away from the cylinder valve outlet

when opening the cylinder valve.

7.f. Valve  protection  caps  should  always  be  in  place  and  hand

tight  except  when  the  cylinder  is  in  use  or  connected  for
use.

7.g. Read  and  follow  the  instructions  on  compressed  gas

cylinders,  associated  equipment,  and  CGA  publication  P-l,
“Precautions  for  Safe  Handling  of  Compressed  Gases  in
Cylinders,” available from the Compressed Gas Association
1235 Jefferson Davis Highway, Arlington, VA 22202.

WELDING  and  CUTTING
SPARKS can
cause fire or explosion.

6.a. Remove fire hazards from the welding area.

If this is not possible, cover them to prevent

the  welding  sparks  from  starting  a  fire.

Remember 

that 

welding 

sparks 

and 

hot

materials  from  welding  can  easily  go  through  small  cracks
and  openings  to  adjacent  areas.  Avoid  welding  near
hydraulic  lines.  Have  a  fire  extinguisher  readily  available.

6.b. Where  compressed  gases  are  to  be  used  at  the  job  site,

special  precautions  should  be  used  to  prevent  hazardous
situations.  Refer  to  “Safety  in  Welding  and  Cutting”  (ANSI
Standard  Z49.1)  and  the  operating  information  for  the
equipment being used.

6.c. When  not  welding,  make  certain  no  part  of  the  electrode

circuit  is  touching  the  work  or  ground.  Accidental  contact
can cause overheating and create a fire hazard.

6.d. Do not heat, cut or weld tanks, drums or containers until the

proper steps have been taken to insure that such procedures
will  not  cause  flammable  or  toxic  vapors  from  substances
inside. They can cause an explosion even though they have
been  “cleaned”.  For  information,  purchase  “Recommended
Safe Practices for the Preparation for Welding and Cutting of
Containers  and  Piping  That  Have  Held  Hazardous
Substances”, AWS F4.1 from the American Welding Society
(see address above).

6.e. Vent hollow castings or containers before heating, cutting or

welding. They may explode.

6.f. Sparks and spatter are thrown from the welding arc. Wear oil

free protective garments such as leather gloves, heavy shirt,
cuffless trousers, high shoes and a cap over your hair. Wear
ear plugs when welding out of position or in confined places.
Always  wear  safety  glasses  with  side  shields  when  in  a
welding area.

6.g. Connect the work cable to the work as close to the welding

area  as  practical.  Work  cables  connected  to  the  building
framework  or  other  locations  away  from  the  welding  area
increase  the  possibility  of  the  welding  current  passing
through  lifting  chains,  crane  cables  or  other  alternate  cir-
cuits. This can create fire hazards or overheat lifting chains
or cables until they fail.

6.h. Also see item 1.c.

6.I. Read  and  follow  NFPA  51B “  Standard  for  Fire  Prevention

During  Welding,  Cutting  and  Other  Hot  Work”,  available
from NFPA

1 Batterymarch Park, PO box 9101, Quincy, Ma

022690-9101.

6.j. Do not use a welding power source for pipe thawing.

iii

SAFETY

iii

Refer to 

http://www.lincolnelectric.com/safety

for additional safety information.

Summary of Contents for IDEALARC AC-1200

Page 1: ...T WITHOUT READING THIS MANUAL AND THE SAFETY PRECAUTIONS CON TAINED THROUGHOUT And most importantly think before you act and be careful For use with machines having Code Numbers 10291C 10292C 10465 an...

Page 2: ...KER WEARERS SHOULD CONSULT WITH THEIR DOCTOR bEFORE OPERATING Read and understand the following safety highlights For additional safety information it is strongly recommended that you purchase a copy...

Page 3: ...Never simultaneously touch electrically hot parts of electrode holders connected to two welders because voltage between the two can be the total of the open circuit voltage of both welders 3 i When w...

Page 4: ...eas Avoid welding near hydraulic lines Have a fire extinguisher readily available 6 b Where compressed gases are to be used at the job site special precautions should be used to prevent hazardous situ...

Page 5: ...opri s et non inflammables 4 Des gouttes de laitier en fusion sont mises de l arc de soudage Se prot ger avec des v tements de protection libres de l huile tels que les gants en cuir chemise paisse pa...

Page 6: ...mportant when identifying the correct replacement parts On Line Product Registration Register your machine with Lincoln Electric either via fax or over the Internet For faxing Complete the form on the...

Page 7: ...utions B 1 To set for machine or Remote Control B 1 To set Output Current B 1 ________________________________________________________________________________ Maintenance Section D Safety Precautions...

Page 8: ...xpose the terminal strips Connect the leads of the wire feeder input control cable to the terminal strips exactly as specified in the appropriate connection diagram The AC 1200 to NA 4 connection diag...

Page 9: ...Connection of AC 1200 with NL Option S 15666 to LAF 4 or LT 34 4 18 75 Connection of AC 1200 to NA 4 S 15667 with Switch for Current Control 4 18 75 Connection of AC 1200 to NA 4 with rheostat for cur...

Page 10: ...nuts with a wrench Select cables required for combined work and electrode cable lengths up to 150 from the following table Maximum Allowable Current for Copper Welding Cable Cables in accessory kit re...

Page 11: ...D WITH MANUAL ELECTRODES Turn the welder off disconnect the wire feeder leads and connect a jumper between 2 and 4 on the AC 1200 terminal strip This closes the output con tactors making the output st...

Page 12: ...ch electrically live parts or electrode with skin or wet clothing Insulate yourself from work and ground Always wear dry insulating gloves See additional warning information throughout this operator s...

Page 13: ...BLE CAUSE lists the obvious external possibilities that may contribute to the machine symptom Step 3 RECOMMENDED COURSE OF ACTION This column provides a course of action for the Possible Cause general...

Page 14: ...across 31 and 32 Remote control switch in wrong posi tion Control rheostat open Control circuit open Open saturable reactor control coil or connection Look for possible cause and repair Replace fuse R...

Page 15: ...URSE OF ACTION Welder welds at max only no con trol Contacts chatter Diodes or SCR s on heat sink assemblies shorted Shorted or grounded current controll rheostat Output By Pass Capacitors open or dis...

Page 16: ...It may not be accurate for all machines covered by this manual The specific diagram for a particular code is pasted inside the machine on one of the enclosure panels If the diagram is illegible write...

Page 17: ...Do not operate with covers removed Do not touch electrically live parts Only qualified persons should install use or service this equipment B M13026 N C PRIMARY SEC ELEC WORK 1 7 8 9 10 4 N D N E N C...

Page 18: ...F 3 DIAGRAMS F 3 IDEALARC AC 1200 AC 1200 SCOTT CONNECTION DIAGRAM...

Page 19: ...F 4 DIAGRAMS F 4 IDEALARC AC 1200 AC 1200 AND PARALLELED DC 1000 s...

Page 20: ...F 5 DIAGRAMS F 5 IDEALARC AC 1200 AC 1200 AND DC 1500 s...

Page 21: ...is for reference only It is not accurate for all machines covered by this manual The specific diagram for a particular code is pasted inside the machine on one of the enclosure panels If the diagram i...

Page 22: ...NOTES IDEALARC AC 1200...

Page 23: ...NOTES IDEALARC AC 1200...

Page 24: ...NOTES IDEALARC AC 1200...

Page 25: ...h electrically live parts or electrode with skin or wet clothing Insulate yourself from work and ground No toque las partes o los electrodos bajo carga con la piel o ropa moja da Aislese del trabajo y...

Page 26: ...te Be und Entl ftung des Arbeitsplatzes Mantenha seu rosto da fuma a Use ventila o e exhaust o para remover fumo da zona respirat ria Turn power off before servicing Desconectar el cable de ali mentac...

Page 27: ...and Service through Subsidiaries and Distributors Worldwide Cleveland Ohio 44117 1199 U S A TEL 216 481 8100 FAX 216 486 1751 WEB SITE www lincolnelectric com World s Leader in Welding and Cutting Pr...

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