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TM-021 PN 35933
Rev 05/06/97

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Summary of Contents for PC-3

Page 1: ...TM 021 PN 35933 Rev 05 06 97 1 OPERATIONS MANUAL PC 3 UV CURING LIGHT SOURCE Discontinued System ...

Page 2: ...3 TABLE OF CONTENTS Description Page Safety 1 General 4 Specifications 5 Unpacking and Inspection 6 Installation 7 Lamp Replacement Installation 8 Maintenance 9 Troubleshooting Guide 10 Spare Parts 14 Options 15 Warranty 16 Diagrams 17 ...

Page 3: ...nstructions could result in injury to personnel CAUTION A CAUTION indicates when failure to follow the instructions could result in damage to equipment NOTE A NOTE is used to highlight an important procedure practice or condition READ UNDERSTAND AND FOLLOW ALL the safety and operating instructions found in this manual WARNING WARNING ...

Page 4: ...s a form of oxygen Interaction of ultraviolet light below 220 nm with oxygen in the surrounding air produces ozone which is a powerful toxic agent It has a characteristic pungent odor to which most people are quite sensitive people can typically detect concentrations of several parts per million At high concentrations it can cause discomfort or at sufficiently high levels be dangerous The PC 3 ser...

Page 5: ... wear protective UV glasses as a minimum precaution SKIN PROTECTION Individuals exhibit different levels of photosensitivity Therefore even minimal periods of exposure of unprotected skin to direct UV light which can cause sunburn must be avoided UV barrier creams should be used to protect all exposed skin including the face neck and arms UV blocking creams also provide protection to hands with mi...

Page 6: ...amps are rated at 500 hours of life however a useful life of 1000 hours can be expected for most applications The power supply operates on line voltages of either 100 120 or 220 Vac and 50 or 60 Hz factory set AC voltage is stepped down and rectified to DC through a transformer and fullwave bridge rectifier A separate high voltage winding on the transformer provides ignition voltage for the lamps ...

Page 7: ...s non resetable 100 220 Vac and 50 60 Hz Power Supplies are available Output Intensities Typical WAVELENGTH FILTERED UNFILTERED 320 390 nm 1 5 2 5 Measured with an EIT Spotcure Radiometer Values in W cm2 CAUTION With the filter installed the PC 3 lamp emits only UV A and UV B light and a low amount of UV C light Without the filter UV A UV B and UV C and visible light are emitted Never look directl...

Page 8: ...x for contents 1 Light Welder PC 3 Light Source 1 Lamp Reflector Assembly 1 Power Cord 1 Liquid Light Guide 1 Filter Assembly 1 Pair UV Goggles 1 Warranty Card 1 Operation Manual 1 1 8 Hex Wrench NOTE REPORT ANY SHORTAGE TO DYMAX CORPORATION CUSTOMER SERVICE Phone 860 626 6326 Fax 860 496 0608 LAMPS ARE SHIPPED WITH THE LAMP REMOVED TO PREVENT BREAKAGE REFER TO PAGE 9 LAMP REPLACEMENT INSTALLATION...

Page 9: ...ot switch In the timed position the shutter opening is determined by the setting of the potentiometer clockwise increases the opening time and the foot switch must be released after each cycle CAUTION THIS IS AN ARC NOT A FILAMENT LAMP ONCE IGNITED IT MUST BE LEFT ON FOR A MINIMUM OF 5 MINUTES TO FULLY VAPORIZE ELEMENTS IN THE LAMP IF NOT THE LAMP MAY BE DIFFICULT TO REIGNITE NOTE The lamp must co...

Page 10: ...re from lamp 5 Loosen the retaining nut see Figure 1 1 and rotate the electrode to one side such that the lamp reflector assembly can be removed from mount Remove the lamp reflector assembly 6 Install the new lamp reflector assembly into the mount and move the negative electrode see Figure 1 1 into position Tighten the screw Do not bend the electrode to install the new lamp reflector assembly 7 At...

Page 11: ...Operating temperature should not exceed 55 C Ends of the guide should be kept clean to transmit as much light as possible Cured adhesive can be removed with razor blade Avoid sharp bends with the light guide since this reduces light output and damages guide ...

Page 12: ...tput Verify ignition voltage off transformer refer to Figure 2 Replace transformer if defective Insufficient Ignition Voltage Verify ignition voltage being supplied to the lamp refer to Figure 2 for location and Figure 3 for waveform Replace defective component typically blocking diode No Operating Voltage Lamp Flickers Verify the operating voltage refer to Figure 2 Replace defective component Pro...

Page 13: ...Light Guide Simulator P N 36987 to determine transmission loss Replace light guide Transmission loss In Filter Blue Filter At End Of Light Guide Too Great Compare filter output against new filter to determine transmission loss Replace filter Contaminants On Light Guide Or Light Guide Filter Visually examine ends of light guide and filter for contaminants Clean with isopropyl alcohol or equivalent ...

Page 14: ...ping Circuit Power control circuit Rectifier Bulb output 50W bulb ass y Filtering Rectifier Filtering Auxiliary Components TP5 A B TP4 TP2 A B TP6 TP1 A B TP7 TP8 open circuit TP3 TP8 Auxiliary Voltage Operating Voltage Ignition Voltage Input Voltage TP Test Points refer to schematic diagrams ...

Page 15: ...From Lamp Output Test Configuration Remove Power Remove Lamp Reflector Assembly From Unit Measurement Taken Across Lamp Output From Unit Oscilloscope Setting DC Coupling 20 ms Div 500V Div Probe Connected Across Lamp Output Use a High Voltage Probe Open Circuit Voltage 1900V peak ...

Page 16: ...SPARE PARTS PC 3 SPARE PARTS Item Part Number Lamp Reflector Assembly 35003 Fuse 3A 250 Vac 35254 2A 250 Vac 35636 5A 250 Vac 35574 Filter Light Guide 35301 Liquid Light Guide 1 Meter 35102 Solenoid Assembly 35928 Blocking Diode 35660 ...

Page 17: ...RIES Item Part Number Liquid Light Guide 1 2 meter 35101 Liquid Light Guide 3 mm x 1 meter 36619 UV Goggles Yellow 35284 Amber 35285 Smoke 35286 Face Shield 35186 Accu Cal 10 Radiometer 35191 Light Guide Simulator 36987 Longer Light Guides Also Available ...

Page 18: ...ssembly The 50 Watt lamp reflector assemblies are warranted for 500 hours of useful life Lamps are not warranted against breakage from handling and shipping Notice The data contained in this bulletin which represents typical results is furnished for information only and is believed to be reliable We cannot assume responsibility for results obtained by others over whose methods we have no control I...

Page 19: ...TM 021 PN 35933 Rev 05 06 97 19 ...

Page 20: ...TM 021 PN 35933 Rev 05 06 97 20 ...

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