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ESAB PCM-50i, Instruction Manual, Page: 17 / 32

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ESAB PCM-50i Instruction Manual Download Page 17

SECTION  5

         TROUBLESHOOTING

17

B.

No Air

Is air hose connected?

Yes

No

Connect

Is air adjusted to 65 psig (4.4 bar)?

Yes

No

Adjust

Does air come on with air check switch?

Yes

No

•   No electrode in torch

•   No valve pin in torch

•

 

  Replace electrode

Check continuity of torch switch

•   Replace valve pin

OK

No

Replace torch switch

Repair power source

Summary of Contents for PCM-50i

Page 1: ...untrained persons to install operate or maintain this equipment Do NOT attempt to install or operate this equipment until you have read and fully understand these instructions If you do not fully unde...

Page 2: ...er The user of this equipment shall have the sole responsibility for any malfunction which results from improper use faulty maintenance damage improper repair or alteration by anyone other than the ma...

Page 3: ...sted in Addi tional Safety Information section Before per forming any installation or operating procedures be sure to read and follow the safety precautions listed below as well as all other manuals m...

Page 4: ...ions for Safe Handling of Compressed Gases in Cylinders which is available from Compressed Gas Association 1235 Jefferson Davis Highway Arlington VA 22202 EQUIPMENT MAINTENANCE Faulty or im properly m...

Page 5: ...lock system Use of torches not designed for use with this console could create an electrical shock hazard 1 2 SCOPE Thepurposeofthismanualistoprovidetheoperatorwith all the information required to in...

Page 6: ...70 Efficiency 50 Amperes Output 88 Current Capacity PT 27 80 A DCSP Air Requirements PT 27 250 cfh 65 psig 120 l min 4 4 bar Dimensions Length Height Width w torch storage w torch storage 19 0 in 483...

Page 7: ...ons 1 25 4 mm 3 76 mm 1 25 4 mm 7 3 185 mm 75 Figure 1 1 PT 27 Dimensions Figure 1 2 PT 27 Cutting Performance 8 0 A 50 A 30 A Current Capacity 100 duty 80 A DCSP Length of Service Lines 25 ft or 50 f...

Page 8: ...is used 2 4 INSPECTION A Remove the shipping container and all packing material and inspect for evidence of concealed damage which may not have been apparant upon receipt of the PCM 50i Notify the car...

Page 9: ...Allow at least 10 ft 3 m between work and console WORK AIR FILTER REGULATOR set at 65 75 psig 4 4 5 1 bar HOSE ASSEMBLY ON OFF POWER SWITCH PLUG RECEPTACLE purchase locally COVER SAFETY INTERLOCK COV...

Page 10: ...LLATION 10 Figure 2 2 Ground and Work Cable Connections DO NOT ATTACH WORK CABLE TO PIECE BEING CUT FREE WORK CABLE EARTH GROUND GROUNDED WORK TABLE EARTH GROUND BE SURE WORK IS IN GOOD CONTACT WITH T...

Page 11: ...8inchfrom the work E When ending a cut the torch switch should be released press and release if using LOCK IN mode and lifted off the workpiece just before the end of the cut to minimize double arcin...

Page 12: ...REGULATOR POWER CORD AIR CHECK POWER LAMP FAULT LAMP WORK CABLE CONNECTION SAFETY INTERLOCK SWITCH AIR HOSE CONNECTION OUTPUT CURRENT CONTROL LOCK IN TORCHGASHOSE CONNECTION TORCH SWITCH CONNECTION AI...

Page 13: ...s 1 Cutting speed too fast or too slow 2 Improper air pressure 3 Faulty nozzle or electrode D Double Arcing Damaged Nozzle Orifice 1 Low air pressure 2 Damaged cutting nozzle 3 Loose cutting nozzle 4...

Page 14: ...ed or kinked F Make sure all plugs fittings and ground connec tions are tight G Removeorreplacecarryingstrapannually sooner if weekly check shows wear or damage Wateroroiloccasionallyaccumulatesincomp...

Page 15: ...D Remove the piston E Clean all parts with cleaning agent NOTE Ensure cleaning agent does not contain solvents which can degrade polysulfone Reassemble the flow switch in reverse order PISTON PLUG PI...

Page 16: ...d Opentheline wall disconnectswitch or circuit breaker before attempting inspection or work inside of the power source Check the problem against the symptoms in the follow ing troubleshooting guide Th...

Page 17: ...o Connect Is air adjusted to 65 psig 4 4 bar Yes No Adjust Does air come on with air check switch Yes No No electrode in torch No valve pin in torch Replace electrode Check continuity of torch switch...

Page 18: ...ir check switch OFF Yes No Turn switch OFF Does arc start when nozzle contacts work without depressing torch switch Yes No Check for short in torch switch Does air flow even when PCM 50i power switch...

Page 19: ...ain 380 415 volt switch ON Yes No Turn on main disconnect Is plug in receptacle Yes No Insert plug in receptacle Is cooling fan turning Yes No Replace pilot light Check voltage at receptacle and input...

Page 20: ...voltage below 340 or above 460 volts Yes No Adjust voltage Repair power source Fault lightwillenergizeifvoltagefallsbelow340voltsfor0 3secondsorexceeds400voltsevenforaninstant The light will not turn...

Page 21: ...Operation A LOCK IN OFF position PUSH RELEASE ENERGIZE NOTES 1 When the torch switch is pushed during postflow period the postflow and preflow times are canceled and the HF is energized immediately 2...

Page 22: ...ZE NOTES 1 When the torch switch is pushed during postflow period the postflow and preflow times are canceled and the HF is energized immediately 2 When the red fault pilot light comes on cutting oper...

Page 23: ...23 Figure 5 1 PCM 50i Series A Schematic Diagram 380 415 V 3 Phase Input 35535 380 415 50 60 HZ 3 PH PCB2 P N 31456...

Page 24: ...24 Figure 5 2 PCM 50i Series A Wiring Diagram 380 415 V 3 Phase Input 35534...

Page 25: ...will be used The serial number is stamped on the unit nameplate To assure proper operation it is recommended that only genuine listed parts and products be used with this equipment The use of any oth...

Page 26: ...HANDLE STRAP LEFT HOUSING HANDLE STRAP RIGHT STRAP HOOK 2 REQ D 951536 CABINET SILKSCREENED POTENTIOMETER 10K 2 W KNOB ALUM 250 SHAFT 1 25 O D DOOR LOCKOUT TERMINAL WORK ADAPTOR BULKHEAD BOARD OUTPUT...

Page 27: ...ABLE INPUT POWER 10 FT LG 4 COND STRAIN RELIEF POWER CABLE TRANSFORMER ASSY CONTROL CAPACITOR 1300 F 450 V DC PC BOARD ASSY HF HV IGNITION TRANSFORMER HIGH VOLTAGE P C BOARD ASSY START UP TRANSFORMER...

Page 28: ...14 17750020 951483 951471 17145339 951161 951917 MODULE DIODE 100 A 600 V 100 NS PAD 951518 REACTOR ASSY HIGH FREQUENCY RESISTOR 20 25 W N I PAD 951193 CAPACITOR 01 F 1 KV INDUCTOR ASSY ASSEMBLY HOSE...

Page 29: ...1 2 3 4 5 6 7 8 9 10 11 1 1 1 1 1 1 1 1 1 1 1 33955GY 33950GY 33952GY 58V75 951181 950829 950923 950744 182W82 34381 34741 HOUSING REGULATOR HOUSING REAR HOUSING WIRE WRAP UTILITY BOX ADAPTOR BULKHEAD...

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Page 32: ...F 15 269 8 95 1 5M Printed in U S A...

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