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SERVICE

5-4

Manual 0-2846

3. Unit is overheated

a. Allow unit to cool down for at least 5 minutes.

Make sure the unit has not been operated be-
yond Duty Cycle limit.  See Section 2 for duty
cycle specifications.

4. Input line voltage is below 75% of rated level

a. Check and connect to proper input power line.

5. Faulty components in unit

a. Return for repair or have qualified technician

repair per Service Manual.

C. Torch will not pilot when torch switch is activated

1. RUN/SET switch in SET position

a. Move switch to RUN position.

2. Faulty torch parts

a. Inspect torch parts and replace if necessary (re-

fer to Instruction Manual supplied with torch).

3. Gas pressure too high or too low

a. Set pressure to 70 psi (4.8 bar).

4. Faulty components in unit

a. Return for repair or have qualified technician

repair per Service Manual.

D. No cutting output; Torch switch activated; AC

Power indicator ON;  Gas flowing; Fan operating

1. Torch not properly connected to power supply

a. Check that torch leads are properly attached to

power supply.

2. Shield cup not properly installed on torch

a. Check that shield cup is fully seated against torch

head. Refer to the torch manual for details.

3. Faulty components in unit

a. Return for repair or have qualified technician

repair per Service Manual.

4. Faulty Torch

a. Return for repair or have qualified technician

repair per Torch Manual.

E. Low cutting output

1. Incorrect setting of CURRENT control

a. Check and adjust to proper setting.

2. Faulty components in unit

a. Return for repair or have qualified technician

repair per Service Manual.

F. Limited output with no control

1. Poor input or output connections

a. Check all input and output connections.

2. Faulty components in unit

a. Return for repair or have qualified technician

repair per Service Manual.

G. Erratic or improper cutting output

1. Poor input or output connections

a. Check all input and output connections.

2. Poor ground or work connection is poor.

a. Check connection.

H. Arc  shuts off during operation;  Arc will not re-start

when torch switch is activated.

1. Unit is overheated (TEMP indicator ON)

a. Allow unit to cool down for at least 5 minutes.

Make sure the unit has not been operated be-
yond Duty Cycle limit.  See Section 2 for duty
cycle specifications.

2. Fan blades blocked (TEMP indicator ON)

a. Check and clear blades.

3. Airflow obstructed  (TEMP indicator ON)

a. Check for obstructed air flow around the unit

and correct condition.

4. Gas pressure too low (GAS indicator OFF when torch

switch is activated)

a. Check source for at 70 psi (4.8 bar); adjust as

needed.

5. Faulty components in unit

a. Return for repair or have qualified technician

repair per Service Manual.

I.

No gas flow; AC POWER indicator ON;  Fan

operating

1. Gas not connected or pressure too low

a. Check source for at least 70 psi (4.8 bar).

2. Gas supply pressure too high

a. Adjust to maximum 125 psi inlet pressure.

3. Shield Cup not properly installed.

a. Check to see that Control Circuit (PIP) pins are

installed.  Refer to the torch manual for details.

Содержание Firepower FP-55

Страница 1: ...Operating Manual A 02766 PlasmaCutting PowerSupply Firepower FP 55 April 4 2003 Manual No 0 2846...

Страница 2: ......

Страница 3: ...in this Manual whether such error results from negligence accident or any other cause Printed in the United States of America Publication Date April 4 2003 Record the following information for Warrant...

Страница 4: ...Scope of Manual 2 1 2 02 General Description 2 1 2 03 Specifications Design Features 2 1 2 04 Power Supply Options 2 2 SECTION 3 INSTALLATION PROCEDURES 3 1 3 01 Introduction 3 1 3 02 Site Selection 3...

Страница 5: ...3 5 05 Power Supply Basic Parts Replacement 5 5 SECTION 6 PARTS LISTS 6 1 6 01 Introduction 6 1 6 02 Ordering Information 6 1 6 03 Power Supply Replacement 6 2 6 04 Replacement Parts 6 2 6 05 Optiona...

Страница 6: ......

Страница 7: ...your 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...

Страница 8: ...information on how to test for noise see item 1 in Subsection 1 03 Publications in this manual PLASMAARC RAYS PlasmaArc Rays can injure your eyes and burn your skin The plasma arc process produces ver...

Страница 9: ...FOR WELDINGAND CUTTING OF CONTAINERS AND PIPING THAT HAVE HELD HAZARDOUS SUBSTANCES obtainable from the American Welding Society 550 N W LeJeune Rd Miami FL 33126 15 ANSI Standard Z88 2 PRACTICE FOR...

Страница 10: ...z pouvant contenir des l ments reconnu dans L tat de la Californie qui peuvent causer des d fauts de naissance et le cancer La s curit de sant en Californie et la code s curit Sec 25249 5 et seq CHOC...

Страница 11: ...onnes se trouvant sur le lieu de travail Il faut mesurer les niveaux sonores afin d assurer que les d cibels le bruit ne d passent pas les niveaux s rs Pour des renseignements sur la mani re de tester...

Страница 12: ...URIT POUR LE SOUDAGE ET LA COUPE disponible aupr s de l Association des Normes Canadiennes Standards Sales 178 Rexdale Bou levard Rexdale Ontario Canada M9W 1R3 13 Livret NWSA BIBLIOGRAPHIE SUR LA S C...

Страница 13: ...tion standard C22 2 number 60 forArc 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 E...

Страница 14: ...Firepower whether arising out of contract negligence strict tort or under any warranty or otherwise shall not except as expressly provided herein exceed the price of the goods upon which such liabilit...

Страница 15: ...ed plug and work cable clamp Refer to Section 2 04 for power supply options and ac cessories A 02766 Figure 2 1 Firepower FP 55 Power Supply 2 03 Specifications Design Features A Power Supply Technica...

Страница 16: ...standard Gas Regulator Filter Assembly only 1 Operating Pressure Output 70 psi 4 8 bar 2 Maximum input gas pressure 125 psi 8 6 bar 3 Filter Particulate Type Filter to 20 microns 2 04 Power Supply Opt...

Страница 17: ...in the rear and at least 6 inches 150 mm on each side for clearance Provide sufficient clearance in front of the unit to allow access to the front panel controls min 6 inches or 150 mm CAUTION Operat...

Страница 18: ...may cause double arcing rapid tip wear or even com plete torch failure Contaminants may cause poor cutting performance and rapid electrode wear C Connecting Gas Supply to Unit The gas supply is connec...

Страница 19: ...s Supply Hose Regulator Filter Assembly Bracket Inlet Port Hose Clamp Filter Hose Figure 3 2a Optional Single Stage Air Filter Installation units with type A Regulator Filter A 03000 Regulator Filter...

Страница 20: ...nit 4 Secure the Strain Relief with the retaining nut re moved earlier 5 Connect the torch Negative Plasma Lead to the bulkhead connection inside the Power Supply Adapter Plug Pilot Lead Torch Lead As...

Страница 21: ...4 The plasma power supply work cable see NOTE is connected to the cutting table at the single point Star ground NOTE Do Not connect the work cable directly to the ground rod 5 Make sure work cable an...

Страница 22: ...20 30 ft 6 1 9 1 m does not generally increase the effective ness of the ground rod A larger diameter rod which has more surface area may help Sometimes keeping the soil around the ground rod moist b...

Страница 23: ...put Hole in the front panel to feed the torch leads through to the internal bulkhead connections 3 Work Cable and Clamp 20 ft 6 1 m work cable with clamp factory installed 4 Roll Handle Torch Leads Wr...

Страница 24: ...or Filter A 03042 1 2 3 Figure4 3b RearPanel unitswithtypeBRegulator Filter 2 PrimaryInputPowerCable StrainRelief Factoryinstalledprimaryinputpowercablestrainrelieffor theprimarypowercable capableofha...

Страница 25: ...ource disconnect switch a AC power is available at the Power Supply 2 Place RUN SET switch to RUN mode 3 Place the ON OFF power switch on the front panel of the Power Supply to ON position a AC Power...

Страница 26: ...r switch on the front panel of the unit to OFF a AC Power indicator turns OFF Fan turns OFF 14 Place the main power disconnect to open a Main AC power is removed from the system NOTE For information o...

Страница 27: ...so be wiped clean If necessary solvents for cleaning electrical apparatus may be used Perform routine maintenance according to the schedule in Appendix 3 The actual frequency of maintenance may need t...

Страница 28: ...be removed from its hous ing dried and reused Allow 24 hours for Element to dry 1 Remove power from power supply 2 Shut off air supply and bleed down system before disassembling Filter to change Filte...

Страница 29: ...replacement proce dures refer to Firepower FP 55 Power Supply Service Manual 0 2847 B How to Use This Guide ThefollowinginformationisaguidetohelptheCustomer Operator determine the most likely causes f...

Страница 30: ...ng of CURRENT control a Check and adjust to proper setting 2 Faulty components in unit a Return for repair or have qualified technician repair per Service Manual F Limited output with no control 1 Poo...

Страница 31: ...ction describes procedures for basic parts replace ment For more detailed parts replacement procedures refer to the Firepower 55 Power Supply Service Manual A Cover Removal 1 Remove the upper screws w...

Страница 32: ...above 2 Locate the internal fuse on the left side of the center chassis 3 Replace the fuse Refer to Section 6 for replacement fuse catalog number 4 Reinstall the cover per paragraph A above A 02957 F...

Страница 33: ...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 without p...

Страница 34: ...ilter Assembly Element Replacement 9 8534 for Type A Regulator Filter 1 Regulator Filter Assembly Element Replacement 9 4414 for Type B Regulator Filter 6 05 Optional Equipment Qty Description Catalog...

Страница 35: ...or national codes Cable conductor temperature used is 167 F 75 C An energy limiting fuse UL Class RK 1 examples BUSS LPS LPN RK or Gould Shawmut AZK A6K should be used to minimize damage to Plasma Cu...

Страница 36: ...h is within transfer distance 1 4 in 6 4mm of workpiece main arc will transfer After post flow Gas solenoid closes gas flow stops GAS indicator off ACTION Close external disconnect switch RESULT Power...

Страница 37: ...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 38: ...APPENDIX A 4 Manual 0 2846 APPENDIX 4 SYSTEM SCHEMATIC A 03269...

Страница 39: ...Manual 0 2846 A 5 APPENDIX A 03269...

Страница 40: ......

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