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CYLINDERS can explode if damaged.

Shielding gas cylinders contain gas under high pressure.
If damaged, a cylinder can explode. Since gas cylinders
are  normally  part  of  the  welding  process,  be  sure  to
treat  them  carefully.

1.-  Protect compressed  gas  cylinders  from excessive  heat,  mechanical

shocks,  and  arcs.

2.-  Install  and secure  cylinders  in  an  upright  position by  chaining  them

to  a  stationary  support  or  equipment  cylinder  rack  to  prevent  falling
or  tipping.

3.-  Keep  cylinders  away  from  any  welding  or  other  electrical  circuits.

4.-  Never  allow  a  welding  electrode  to  touch  any  cylinder.
5.-  Use  only  correct  shielding  gas  cylinders,  regulators,  hoses,  and

fittings  designed  for  the  specific  application;  maintain  them  and
associated  parts  in  good  condition.

6.-  Turn  face  away  from  valve  outlet  when  opening  cylinder  valve.
7.-  Keep  protective  cap  in  place  over  valve  except  when  cylinder  is  in

use  or  connected  for  use.

8.- Read and follow instructions on compressed gas cylinders, associated

equipment,  and  CGA  publication  P-1  listed  in  Safety  Standards.

  ENGINES  can  be  hazardous.

WARNING

ENGINE EXHAUST GASES can kill.

Engines  produce  harmful  exhaust  gases.
1.-  Use  equipment  outside  in  open,  well-ventilated
      areas.

2.- If used in a closed area, vent engine exhaust outside and away from

any  building  air  intakes.

E NG I NE   F UE L   can   cau se  f ire  o r
explosion

.

Engine  fuel is  highly  flammable.

1.-  Stop  engine  before  checking  or  adding  fuel.

2.- Do  not add  fuel while smoking  or if  unit is near  any sparks  or open

flames.

3.-  Allow  engine  to  cool  before  fueling.  If  possible,  check  and  add  fuel

to  cold  engine  before  beginning  job.

4.-  Do  not  overfill  tank  -  allow    room  for  fuel  to  expand.
5.-  Do  not  spill  fuel.  If  fuel  is  spilled,  clean  up  before  starting  engine.

MOVING PARTS can cause injury.

Moving  parts,  such  as  fans,  rotors,  and  belts  can  cut
fingers  and  hands  and  catch  loose  clothing.

1.-  Keep  all  doors,  panels,  covers,  and  guards  closed
     and securely in place.
2.-  Stop  engine  before  installing  or  connecting  unit.

3.- Have only qualified people remove guards or covers for maintenance

and  troubleshooting  as  necessary.

4.-  To  prevent  accidental  stating  during  servicing,  disconnect  negative

(-)  battery  cable  from  battery.

5.- Keep hands, hair, loose clothing, and tools away from moving parts.
6.- Reinstall panels or guards and close doors when servicing is finished

and  before  starting  engine.

SPARKS can cause BATTERY GASES
TO EXPLODE; BATTERY ACID can
burn eyes and skin.

Batteries  contain  acid  and  generate  explosive  gases.

1.-  Always  wear  a  face  shield  when  working  on  a

battery.

2.-  Stop  engine  before  disconnecting  or  connecting  battery  cables.

3.-  Do  not  allow  tools  to  cause  sparks  when  working  on  a  battery.

4.-  Do  not  use  welder  to  charge  batteries  or  jump  start  vehicles.

5.-  Observe  correct  polarity  (+  and  -)  on  batteries.

WELDING can cause fire or explosion.

Sparks  and  spatter  fly  off  from  the  welding  arc.  The
flying sparks and hot metal, weld spatter, hot workpiece,
and hot equipment can cause fires and burns. Acciden-
tal contact of electrode or welding wire to metal objects
can  cause  sparks,  overheating,  or  fire.

    1.-  Protect  yourself  and  others  from  flying  sparks  and    hot  metal.
    2.-  Do  not  weld  where  flying  sparks  can  strike  flammable  material.
    3.-  Remove  all  flammables  within  35ft  (10.7  m)  of  the  welding  arc.  If

this  is  not  possible,  tightly  cover  them  with  approved  covers.

  4.-  Be  alert  that  welding  sparks  and  hot  materials  from  welding  can

easily  go  through  small  cracks  and  openings  to  adjacent  areas.

  5.-  Watch  for  fire,  and  keep  a  fire  extinguisher  nearby.
  6.- Be aware that welding on a ceiling, floor, bulkhead, or partition can

cause  fire  on  the  hidden  side.

  7.-  Do  not  weld  on  closed  containers  surch  as  tanks  or  drums.
  8.-  Connect  work  cable  to  the  work  as  close  to  the  welding  areas  as

practical  to  prevent  welding  current  from  traveling  long,  possibly
unknown  paths  and  causing  electric  shock  and  fire  hazards.

  9.-  Do  not  use  welder  to  thaw  frozen  pipes.
10.-  Remove  stick  electrode  from  holder  or  cut  off  welding  wire  at

contact  tip  when  not  in  use.

11.-  Wear  oil-free  protective  garments  such  as  leather  gloves,  heavy

shirt,  cuffless  trousers,  high  shoes,  and  a  cap.

Summary of Contents for ALPHA TIG 252 - DP

Page 1: ...OUTPUTTYPE AC DC PROCESSES STICKPROCESS SMAW DESCRIPTION PM1328 REV 0 E 21 01 2021 AC DC ARC WELDING POWER SOURCE ALPHA TIG 252 DP GIVE THISMANUALTO THE OPERATOR VISIT OUR WEBSITE AT www comparcwelder...

Page 2: ...RMINALS 4 3 5 RC14INFORMATI N CONNECTIONS 4 3 6 REMOTE14CONNECTIONS 5 3 7 120 VOLTS AC DUPLEXRECEPTACLE 5 3 8 INPUTVOLTAGECONNECTIONS 5 3 9 SHIELDINGGASCONNECTION 6 SECTION 4 FUNCTION OF CONTROLS 7 4...

Page 3: ...damaged parts at once 12 Wear a safety harness to prevent falling if working above floor level 13 Keep all panels and cover securely in place ARC RAYS can burn eyes and skin NOISE can damage hearing A...

Page 4: ...lling or connecting unit 3 Have only qualified people remove guards or covers for maintenance and troubleshooting as necessary 4 To prevent accidental stating during servicing disconnect negative batt...

Page 5: ...riod follow rated duty cycle Reduce current or reduce duty cycle before starting to weld again Do not block or filter airflow to unit STATIC ESD can damage PC boards Put on grounded wrist strap BEFORE...

Page 6: ......

Page 7: ...unit may changeslightly CAUTION RATED WELD OUTPUT AMPERAGE RANGE MAX OPEN CIRCUIT VOLTAGE INPUTAMPERESATACBALANCED RATEDOUTPUT 60Hz SINGLEPHASE KVA KW WEIGHT SHIP Kg Lb TYPEOF OUTPUT 230 Vac 460 Vac 2...

Page 8: ...Minutes Welding 4 Minutes Resting WARNING 2 2 DUTY CYCLE Rated Output Figure 3 2 Location And Movement Of Welding Power Source 2 Rear Left Front Right Top 1 Figure 3 1 Typical Process Connections 3 1...

Page 9: ...section 5 2 4 Receptacle remote14 RC14 See section3 5 5 Duplex receptacle 120V 15A 6 Work terminal See section 3 4 7 Electrode terminal See section3 4 CLOSEACCESSDOOR ELECTRODE CB1 10 AMP GAS WORK RC...

Page 10: ...ecure access door 2 1 3 Use only a proper torch cable adapter positioned so it does not hit frame hardware or door during operation 1 2 3 4 19 m m Tools Needed Figure 3 6 Remote 14 Connections R C1 4...

Page 11: ...e Jumper Links Location 3 8 INPUT VOLTAGE CONNECTIONS Tools nedded 7 16 11 1mm 3 8 9 5mm Jumper links allowsoperation on diferent input voltages 230 460 and 575 and are factory set for the highest inp...

Page 12: ...18 right hand threads 6 FLOW ADJUST Typical flow rate is 15 cfh Cubic Feed per Hour Make sure flow adjust is closed when opening cylinder to avoid damage to the flowmeter 7 GASVALVE 8 GASINFITTING 9 G...

Page 13: ...ENABLING PULSER SWITCH ARCCONTROL ANDSWITCH AMPERAGE ADJUSTMENT CONTROL ON POWER OFF ON REMOTE OUTPUT CONTACTOR Figure 4 2 Power switch Las terminales de salida est n energiz das cuando el Switch esta...

Page 14: ...amperage The numbers are weld amperes The amperage adjustment control may be adjusted while welding 2 AMPERAGE CONTROL SWITCH Use switch to select way of controling amperage adjustment For front panel...

Page 15: ...etration Turn control towards 0 to obtain more cleaning action of the workpiece The wave shape of position 3 Balanced Cleaning action and is a recomended starting point for GTAW 50 Electrode Negative...

Page 16: ...represent the peak output on time during one pulse IMPORTANT The ON TIME control may be adjusted while welding ON OFF 1 CRATERTIMECONTROL Use control to set time to taper weld ouput from setting of th...

Page 17: ...r the PUL SES PER SECOND control J1 or J2 see figure For this unit J1 are not removed of position range 0 5 to 20 pps PULSER CIRCUIT BOARD PC2 IMPORTANT The BACKGROUND AMPERAGE control may be adjusted...

Page 18: ...a pulse The number of cycles that occur in a second is known as frequency or cycles per second that we express here as pulses per second pps The PULSER allows the operator to control the value of a BA...

Page 19: ...nt Set Controls 1 8 7 6 5 4 3 2 Select Electrode Put On Personal Safety Equipment Set Controls Begin Welding Install Connect Equipment Insert Electrode Into Holder 1 7 6 5 4 3 2 Turn On Welding Power...

Page 20: ...dealer or Service Center to review unit No AC BALANCE control No HIGH FREQUENCY No gas flow and no spot time If applicable Circuit Breaker CB1 Check and reset CB1 if necessary Improperly prepared tugs...

Page 21: ...010 in 0 254mm Start welding Figure 5 2 Overheating Turn off welding power source and disconnect input power Turn screw on lower front panel and open access door 1 TUNGSTEN END OF POINT Do not clean...

Page 22: ...PHA TIG 252 DP RC3 D RC5 G RC5 K RC3 B RC5 D RC3 G RC3 H RC3 F RC3 E RC2 A RC12 G RC12 C RC12 E RC2 B RC12 F RC4 A RC12 J RC4 D RC12 D RC4 B RC11 E RC3 A RC12 H RC5 F RC2 D RC12 B RC5 H RC12 A RC4 C R...

Page 23: ...SR1 RECTIFIER main 1 17 PR0522 Z1 REACTOR assy 1 18 MC08430 C2 CAPACITOR eletyc 4000uF 100V 1 19 PT1076 TD1 POST FLOW BOARD timer PC2 1 20 PT3617 PANEL RH side 1 21 MT08758 HD1 CURRENT Transducer 1 2...

Page 24: ...18 FIGURE 7 1 GENERAL ASSEMBLY 15 11 10 9 8 7 5 F D E C B A 4 25 3 6 2 13 14 16 17 18 19 20 21 1 22 31 21 12 23 30 2 4 4 32 33...

Page 25: ...POTENTIOMETER 10 K 2W SWITCH 4P2T 15A 125V POTENTIOMETER 5 M 2W SWITCH 2P2T 15 A SWITCH pwr PANEL nameplate KNOB plastic small KNOB plastic largel HANDLE ranges switch RHEOSTAT 1 5 50W DOOR front lowe...

Page 26: ...stic CAPACITOR holder CAPACITOR 10 f 250Vac CAPACITOR 0 0002 f a 10 kV 10000 V FILTER 115 250V 50 400Hz AT2AM 1 1 1 1 1 1 4 1 1 1 1 1 MT07003 PT 1565 PT 1567 PT 1566 MR01735 PB 0942 MP 07956 MA 03955...

Page 27: ...400 500 500 750 750 1000 10 20 15 30 25 40 40 55 55 80 80 125 Thru 15 5 20 20 60 60 120 100 180 160 250 200 320 290 390 340 525 Zirconium Alloyed Tungsten Brown Band Thru 15 5 20 20 60 60 120 100 180...

Page 28: ...RING ARC 1 Arc wander 2 Point 3 Grinding wheel 4 Radial Ground 1 Stable arc 2 Flat Diameter of this flat determens amperage capacity 3 Grinding wheel 4 straight Ground 4 1 2 3 IDEAL PREPARATION OF THE...

Page 29: ...motor drive system drive roll excluded and any other part the requires the removal of sheet metal 2 1 Year Parts Labour CG1 Dart Track Cutter excluding tracks Welding positioners turning rollers Auto...

Page 30: ...NOTES...

Page 31: ...SERVICE CENTER FAX MAP CANADA LTD 325 Healey Road Unit 1 Bolton ON L7E 5C1 Canada Phone 905 951 2788 Toll Free 800 757 4445 Fax 905 951 6256...

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