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Manual 0-2746

2-1

INTRODUCTION

SECTION 2:

INTRODUCTION

2.01  Scope of Manual

This manual contains descriptions, operating instructions
and basic maintenance procedures for the PAK Master
75XL Plus Air Plasma Cutting Power Supply.  Service of
this equipment is restricted to properly trained person-
nel; unqualified personnel are strictly cautioned against
attempting repairs or adjustments not covered in this
manual, at the risk of voiding the Warranty.

Read this manual thoroughly.  A complete understand-
ing of the characteristics and capabilities of this equip-
ment will assure the dependable operation for which it
was designed.

2.02  General Description of System

The 75XL PLUS System includes a power supply, torch &
leads and work cable & clamp.

The Power Supply provides 60 amp maximum output
and includes all control circuitry, electrical and gas in-
puts and outputs, pilot circuitry, torch leads receptacle
and a work cable with clamp.

The power supply can be ordered in various configura-
tions with various options factory installed. Refer to Sec-
tion 2.04 for list of power supply options and accesso-
ries.

A-02462

Torch and Leads

Work Cable and Clamp

XL PLUS Power Supply

Figure 2-1  Pak Master 75XL Plus System

The torch provides a maximum 1 inch  / 25.4 mm  cut
capacity.  Hand torches are available in various torch head
configurations, a machine torch is available in a 180° torch
head configuration.  Torch leads are available in various

lengths with fittings for simple installation. Spare Parts
Kits are available for the torches which provide an as-
sortment of replacement torch parts.

2.03  Specifications / Design

Features

A.  Power Supply Technical Specifications

The following specifications apply to the Power Supply
only:

1.  Front Panel Controls

ON / OFF Switch, RUN / SET / LATCH Switch and
Output Current Control (A)

2.  Front Panel LED Indicators

AC  

 , TEMP   , GAS  

  , DC  

3.  Rear Panel

Input Power Cable Strain Relief*, Gas Connection,
Gas Regulator / Filter Assembly

*208 / 230 / 240 units include input power cable

4.  Input Power

Can be configured for the following:

208 / 230 / 240 VAC (±10%), 50 / 60 Hz, Single or
Three - Phase

380 / 415 VAC (±10%), 50 / 60 Hz, Three - Phase

460 VAC (±10%), 50 / 60 Hz, Single or Three - Phase

5.  Output Power

Continuously variable from 15 to 60 Amps maximum

6.  Duty Cycle

NOTE

The duty cycle will be reduced if the primary in-
put voltage (AC) is low or the DC voltage is higher
than shown in the chart.

Ambient

Temperature

104° F

(40° C)

104° F

(40° C)

Duty Cycle

65%

100%

Current

60 Amps

50 Amps

DC Voltage

104 vdc

104 vdc

Power Supply Duty Cycle

Содержание PakMaster 75XL Plus

Страница 1: ...July 8 2003 Manual No 0 2746 Operating Manual Plasma Cutting Power Supply PakMaster 75XLTM Plus A 02464...

Страница 2: ......

Страница 3: ...mission in this Manual whether such error results from negligence accident or any other cause Printed in the United States of America Publication Date July 8 2003 Record the following information for...

Страница 4: ...and Accessories 2 2 SECTION 3 INSTALLATION 3 1 3 01 Introduction 3 1 3 02 Site Selection 3 1 3 03 Unpacking 3 1 3 04 Lifting Options 3 1 3 05 Input Power Connections 3 2 3 06 Input Voltage Selection...

Страница 5: ...eplacement 5 6 SECTION 6 PARTS LISTS 6 1 6 01 Introduction 6 1 6 02 Ordering Information 6 1 6 03 Complete Power Supply Replacement 6 2 6 04 Replacement Parts 6 2 6 05 Options and Accessories 6 2 APPE...

Страница 6: ......

Страница 7: ...head out of the welding fume plume Use an air supplied respirator if ventilation is not adequate to remove all fumes and gases The kinds of fumes and gases from the plasma arc depend on the kind of me...

Страница 8: ...this manual PLASMA ARC RAYS Plasma Arc Rays can injure your eyes and burn your skin The plasma arc process produces very bright ultra violet and infra red light These arc rays will damage your eyes an...

Страница 9: ...e Protection Association Batterymarch Park Quincy MA 02269 11 CGA Pamphlet P 1 SAFE HANDLING OF COM PRESSED GASES IN CYLINDERS obtainable from the Compressed Gas Association 1235 Jefferson Davis Highw...

Страница 10: ...tandard C22 2 number 60 for Arc welding equipment UL Underwriters Laboratory rating 94VO flammability testing for all printed circuit boards used ISO IEC 60974 1 BS 638 PT10 EN 60 974 1 EN50192 EN5007...

Страница 11: ...follows with the exception of XL Plus Series CutMaster Series Cougar and DRAG GUN A maximum of three 3 years from date of sale to an authorized distributor and a maximum of two 2 years from date of s...

Страница 12: ...GENERAL INFORMATION 1 6 May 14 2002...

Страница 13: ...PLUS Power Supply Figure 2 1 Pak Master 75XL Plus System The torch provides a maximum 1 inch 25 4 mm cut capacity Hand torches are available in various torch head configurations a machine torch is ava...

Страница 14: ...ers moisture and par ticulate matter from the air stream to at least 0 85 mi crons B Two Stage Air Line Filter ATwo Stage In LineAir Filter for use on compressed air shop systems Filters moisture and...

Страница 15: ...cess to the front panel controls minimum 6 inches or 150 mm CAUTION Operation without proper air flow will inhibit proper cooling and reduce duty cycle 3 03 Unpacking Each component of the system is p...

Страница 16: ...Left Side Panel A 02468 Figure 3 1 Removing Left Side Panel 2 Carefully pull the Left Side Panel up and away from the unit to gain access to the inside of the unit 3 06 Input Voltage Selection NOTE F...

Страница 17: ...operation per the following A Three Phase Operation Three phase operation requires a 3 conductor cable with ground a Locate the ground stud and remove the top nut and washer b Install a lug terminal o...

Страница 18: ...ARNING This unit not to be used with oxygen O2 Gases Compressed Air or Nitrogen N2 Only Pressure Unshielded Leads 70 psi 4 8 bar Shielded Leads 60 psi 4 1 bar CAUTION Maximum input gas pressure must n...

Страница 19: ...rch Connect the gas supply as follows Regulator Filter Assembly 1 4 NPT to 4 6mm Hose Fitting 4 6mm Gas Supply Hose Hose Clamp A 00916 Figure 3 7 Gas Connection To Regulator Filter Assembly D Optional...

Страница 20: ...al apply thread sealant to the fit ting threads according to manufacturer s instruc tions Do Not use Teflon tape as a thread sealer as small particles of the tape may break off and block the small gas...

Страница 21: ...e in the unit 5 Secure the Strain Relief with the retaining nut re moved earlier 6 Connect the torch Negative Plasma Lead to the bulkhead connection inside the Power Supply Adapter Plug Pilot Lead Tor...

Страница 22: ...the wires on theAdapter through the Strain Re lief Nut b Continue routing the wires out the hole in the front panel of the Power Supply c Feed the end of the torch lead and the Strain Relief into the...

Страница 23: ...e the connector on the free end of the Adapter through the Strain Relief Nut b Continue routing the connector out the hole in the front of the Power Supply c Feed the end of the torch lead and the Str...

Страница 24: ...rod 5 Make sure work cable and ground cables are prop erly connected The work cable must have a solid connection to the cutting table The work and ground connections must be free from rust dirt greas...

Страница 25: ...e from any CNC components drive mo tors control cables or primary power lines If cables have to pass over torch leads do so at an angle Do not run the plasma control or other control cables in paralle...

Страница 26: ...INSTALLATION 3 12 Manual 0 2746...

Страница 27: ...a Bracket connected to the side panel of the unit for use in storing the torch torch leads work cable and spare parts kit when not in use The spare parts kit fits into the opening on the top of the br...

Страница 28: ...panel is located under the access panel 1 Pilot Lead Stud Stud used to connect the Torch Leads Pilot Lead to the Power Supply 2 1 3 A 00923 Figure 4 3 Torch Panel Connections 2 Control Cable Connecto...

Страница 29: ...ir Filter for use with compressed air shop systems Filters moisture and particulate mat ter from the air stream to at least 0 85 microns 1 2 3 4 A 02460 Figure 4 5 Rear Panel Showing Optional Single S...

Страница 30: ...ay closes 8 Pilot arc is established 9 Move Torch within transfer distance of workpiece a Main arc transfer b Pilot arc OFF 10 Optional Place RUN SET LATCH to LATCH mode NOTE For general cutting use t...

Страница 31: ...heck connection and turn gas supply on D Work Cable Connection Check for a solid and clean work cable connection to the workpiece The area must be free from paint and rust Make a solid work cable conn...

Страница 32: ...up Nitride deposits which may remain on the surface of the cut when nitrogen is present in the plasma gas stream Nitride buildups may create difficulties if the material is welded after the cutting pr...

Страница 33: ...pply turn off the gas supply and bleed the system 2 Unscrew the bowl on the bottom of the Filter Regulator Assembly The filter element will be visible and still attached to the main body of the Filter...

Страница 34: ...r Filter has two Filter Elements When the Filter Elements become dirty the Power Supply will continue to operate but cut quality may become unacceptable 1 Remove power from power supply 2 Shut off air...

Страница 35: ...plasma gas stream swirls as it leaves the torch to maintain a smooth column of gas This swirl effect results in one side of a cut being more square than the other Viewed along the direction of travel...

Страница 36: ...o PAK Master 75XLPLUS Power Supply Ser vice Manual 0 2747 C How to use this Guide The following information is a guide to help the Customer Operator determine the most likely causes for various sympto...

Страница 37: ...eturn for repair or have qualified technician repair per Torch Instruction Manual E Low cutting output with no control 1 Incorrect setting of CURRENT A control a Check and adjust to proper setting 2 F...

Страница 38: ...ft Side Panel Removal NOTE There is a ground wire connection to the Left Side Panel on the inside of the unit There is no need to disconnect the ground wire 2 Carefully pull the Left Side Panel up and...

Страница 39: ...TE Parts listed without item numbers are not shown but may be ordered by the catalog number shown B Returns If a product must be returned for service contact your distributor Materials returned withou...

Страница 40: ...y Description Catalog 1 Multi Purpose Cart 7 8888 1 575V Transformer 9 7500 1 Single Stage Air Filter Kit Includes Filter And Hose 7 7507 1 Replacement Filter Body 9 7740 2 Replacement Filter Element...

Страница 41: ...0 50 60 13 9 12 7 30 1 16 35 25 8 12 8 12 575 Requires Transformer Module Line Voltages with Recommended Circuit Protection and Wire Sizes Based on Table 310 16 1987 National Electric Code and Table 4...

Страница 42: ...id closes gas flow stops GAS indicator off ACTION Open external disconnect RESULT No power to system ACTION Close external disconnect switch RESULT Power to system ACTION RUN SET LATCH switch to SET R...

Страница 43: ...supply and pressure flow 4 Purge plasma gas line to remove any moisture build up 5 Inspect input power cable for damage or exposed wires replace if necessary Weekly or Every 30 Cutting Hours 1 Check f...

Страница 44: ...e values Second row Rated cutting current values Third row Conventional load voltage values I A 03288 Output Range Amperage Voltage Type of Power Supply Note 1 Output Current Type Rated No Load Voltag...

Страница 45: ...Manual 0 2746 A 5 APPENDIX This page left blank...

Страница 46: ...APPENDIX A 6 Manual 0 2746 A 02503 APPENDIX 5 SYSTEM SCHEMATIC...

Страница 47: ...Manual 0 2746 A 7 APPENDIX A 02503...

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