Lincoln-electric NA-5S Uživatelský manuál

NA-5AUTOMATIC WELDING SYSTEMSSERVICE MANUALSales and Service through Subsidiaries and Distributors Worldwide22801 St. Clair Ave. Cleveland, Ohio 44117

INSTALLATIONA-3A-3NA-5FIGURE A.1 – BASIC CONTROL AND WIRE DRIVE SYSTEM.CONTROL BOXHEAD MOUNTING PARTS (WITH INSULATION AND HARDWARE)WIRESTRAIGHTEN

F-47TROUBLESHOOTING & REPAIRF-477. Using the 115VAC supply carefullyapply 115VAC to pins #8 and #9 inthe nine pin molex plug cavity on thevoltage

F-48TROUBLESHOOTING & REPAIRF-48NA-5TEST DESCRIPTIONThis test will determine if the wire drive motor is able to function when supplied with the co

F-49TROUBLESHOOTING & REPAIRF-49TEST PROCEDURE1. Remove the wire feed motor connec-tor from the NA-5 control box.2. Using the ohmmeter, measure th

F-50TROUBLESHOOTING & REPAIRF-50NA-5TEST DESCRIPTIONThis test will help the technician to determine if the external voltage sensing leads are con-

F-51TROUBLESHOOTING & REPAIRF-51PROCEDURE1. Make sure the electrode wire is fedthrough the wire contact assemblytip but NOT touching the "wo

F-52TROUBLESHOOTING & REPAIRF-52NA-5TEST DESCRIPTIONThis test will help determine if the out-of-voltage range shut down circuitry is functioning p

F-53TROUBLESHOOTING & REPAIRF-53TEST PROCEDURE1. Remove input power to the NA-52. Using the 5/16" nutdriver open thecontrol box PC board ac

F-54TROUBLESHOOTING & REPAIRF-545. Start welding and observe theACTUAL voltage reading on the NA-5 digital meter. The actual voltagemust match t

F-55TROUBLESHOOTING & REPAIRF-55TACH BOARD FEEDBACK TESTNA-5TEST DESCRIPTIONThis procedure will aid the technician to determine if the tach board

F-56TROUBLESHOOTING & REPAIRF-56PROCEDURE1. Remove input power to the NA-5.2. Using the 5/16" nutdriver open thecontrol box PC board access

MECHANICALINSTALLATIONELECTRIC SHOCKcan kill.• Turn off input power tothe welding power sourceusing the disconnectswitch before working onthis equipme

F-57TROUBLESHOOTING & REPAIRF-57NA-5VOLTMETER ACCURACY TESTTEST DESCRIPTIONThis test will help determine if the NA-5 voltmeter is providing accura

F-58TROUBLESHOOTING & REPAIRF-58TEST PROCEDUREPerform the following checks with theNA-5 connected to a Lincoln CV weld-ing power source according

F-59TROUBLESHOOTING & REPAIRF-594. Remove the jumper wire from leads#2 and #4.5. Remove the test voltmeter and,while welding, compare the SETvol

F-60TROUBLESHOOTING & REPAIRF-60NA-5WIRE SPEED ACCURACY TESTTEST DESCRIPTIONThis test will help determine if the NA-5 is providing the proper wire

F-61TROUBLESHOOTING & REPAIRF-61TEST PROCEDUREPerform the following checks with theNA-5 connected to a Lincoln CV weld-ing power source according

F-62TROUBLESHOOTING & REPAIRF-622. Check for the proper wire feed inch-es per revolution of the drive roll.A. Set the Strike speed control toany

F-63TROUBLESHOOTING & REPAIRF-633. Check for the proper drive roll revo-lutions per minute. (RPM)A. Adjust the STRIKE speed con-trol to obtain t

F-64TROUBLESHOOTING & REPAIRF-64NA-5METER CIRCUIT ACCURACY TESTTEST DESCRIPTIONThis test will help determine if the NA-5 meter circuit is function

F-65TROUBLESHOOTING & REPAIRF-65TEST PROCEDURE1. Remove input power to the NA-5.2. Using the 5/16" nutdriver open thecontrol box PC board a

F-66TROUBLESHOOTING & REPAIRF-666. Test for DC volts on the voltmeterPC board.• Check for 4.75 to 5.25VDC fromTP5 to lead #510C. See FigureF.9No

To install the control box on a fixture,perform the following steps and refer toFigure A.3.1. Align the mounting holes on the backand/or bottom of the

F-67TROUBLESHOOTING & REPAIRF-678. Test Voltmeter PC Board Accuracy• Use a test meter with at least 3-1/2 digits and +/- 0.5% accuracy.• Connect t

F-68TROUBLESHOOTING & REPAIRF-689. Locate the speedmeter PC board.See Figure F.1010. Apply input power to the NA-5.11. Test for AC supply to the

F-69TROUBLESHOOTING & REPAIRF-6913. Test Speedmeter Digital MeterAccuracy• Use a test meter with at least 3-1/2 digits and +/- 0.5% accuracy.• Con

F-70TROUBLESHOOTING & REPAIRF-7014. Test Speedmeter PC BoardAccuracy• Use a test meter with at least 3-1/2 digits and +/- 0.5% accuracy.• Connect

F-71TROUBLESHOOTING & REPAIRF-71NA-5PC BOARD(S) REMOVAL AND REPLACEMENTDESCRIPTIONThe following procedure will aid the technician in removing and

F-72TROUBLESHOOTING & REPAIRF-72PROCEDUREBefore starting the following procedure,refer to the PC BoardTroubleshooting Procedures at thebeginning o

F-73TROUBLESHOOTING & REPAIRF-73NA-5DIGITAL METER AND METER PC BOARD REMOVAL AND REPLACEMENTDESCRIPTIONThe following procedure will help the techn

F-74TROUBLESHOOTING & REPAIRF-74METER PC BOARD REMOVALPROCEDURE1. Remove input power to the NA-5.2. Using the 5/16" nutdriver open thecontr

F-75TROUBLESHOOTING & REPAIRF-75DIGITAL METER REMOVALPROCEDURE1. Using the phillips head screwdriverremove the four screws from themeter bezel.

F-76TROUBLESHOOTING & REPAIRF-76REPLACEMENT PROCEDURE1. With the 5/16" nutdriver, fasten thedigital meter to the cover assemblywith two scre

INSTALLATIONA-6A-6NA-5When mounting the welding head to thestandard travel carriage, (see 305-B sec.T2.2.4) mount it so only a minimum ofoverhang weig

F-77TROUBLESHOOTING & REPAIRF-77NA-5TACH PC BOARD REMOVAL AND REPLACEMENTDESCRIPTIONThe following procedure will help the technician remove the Ta

F-78TROUBLESHOOTING & REPAIRF-78PROCEDURE1. Remove input power to the NA-5.2. With the 5/16" nutdriver locate andremove the four screws hol

F-79TROUBLESHOOTING & REPAIRF-797. Carefully remove the rotating discand tach PC board together. Notespacer washers underneath the disc.8. If t

F-80TROUBLESHOOTING & REPAIRF-80REASSEMBLY1. Upon reassembly the spacers mustbe used to assure that the discrotates freely and smoothly withinthe

F-81TROUBLESHOOTING & REPAIRF-81NA-5WIRE DRIVE MOTOR REMOVAL AND REPLACEMENTDESCRIPTIONThis procedure will aid the technician in the removal and r

F-82TROUBLESHOOTING & REPAIRF-82MOTOR REMOVAL PROCEDURE1. Remove input power to the NA-5.2. Remove the motor and tach cablefrom the NA-5 control

F-83TROUBLESHOOTING & REPAIRF-838. Remove leads #67, #627, #626,#539 and #541 from the terminalstrip in the connector box.9. Using the 7/16"

F-84TROUBLESHOOTING & REPAIRF-84MOTOR REPLACEMENT PROCEDURE1. Attach the adapter plate to the drivemotor using the slot head screwdriv-er.2. Car

F-85TROUBLESHOOTING & REPAIRF-85If a failed test indicates that any mechanical part that could affect the machine's electrical characteristic

F-86NOTES NA-5F-86Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to Master TOC R

The “F” models do not include the 4 ft (1.2m) lengths of electrode cable as standard.If you are not using a K335 or K338 exten-sion cable for the NA-5

G-1ELECTRICAL DIAGRAMSG-1TABLE OF CONTENTS -ELECTRICAL DIAGRAMS SECTION-Electrical Diagrams...

NOTES NA-5Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to Master TOC Return to

G-2ELECTRICAL DIAGRAMSNA-5Wiring Diagram1553 8-24-84H 11-14-86L 7-19-91J 7-10-92B 5-19-95D 1-12-96D 7-12-96P

G-3ELECTRICAL DIAGRAMSNA-5LOGIC PC BOARD (L6242-1) SCHEMATICR707R706581S801ADISABLESTART500D9CSTARTS5581AN.A.C706DZ702LED 7C515D8CR702R703D710500D9CS6

G-4ELECTRICAL DIAGRAMSNA-5LOGIC PC BOARD (L6242-2 & above) SCHEMATIC32134SWITCH #24414234123444SWITCH #1SWITCH #22Inch up with no contactordelayMe

G-5ELECTRICAL DIAGRAMSNA-5POWER PC BOARD (L6252-1) SCHEMATIC6682-1 Ch'ge. Sht. No. 11-20-81G 9-7-84A 5-18-92N 9-11-92J 3-31-94E

G-6ELECTRICAL DIAGRAMSNA-5POWER PC BOARD (L6252-2 & above) SCHEMATICCR1OFFTRAVELAUTOHANDS1BCR7626666CR6S2FOR THE NA-5R ONLY:BURNBACK KIT IS CONNEC

G-7ELECTRICAL DIAGRAMSNA-5VOLTAGE PC BOARD SCHEMATIC6682-3 Ch'ge. Sht. No. 9-27-85E 11-14-86L 3-6-92B 7-10-92A 3-25-94 11-17-

G-8ELECTRICAL DIAGRAMSNA-5CONTROL CIRCUIT SCHEMATIC6682-2 Ch'ge. Sht. No. 11-9-90D 7-19-91J 3-6-92B 5-15-92N 7-10-92A

G-9ELECTRICAL DIAGRAMSNA-5PROCEDURE PC BOARD SCHEMATIC563520PCBL565564N.E.SPEEDWELDN.E.515500500515500520515500J94J102J1011J109J106J1015J1012J1013J10

INSTALLATIONA-8A-8NA-5ELECTRODE POLARITYELECTRIC SHOCKcan kill.• Turn off input power tothe welding powersource using thedisconnect switchbefore worki

G-10ELECTRICAL DIAGRAMSNA-5OPTION & TIMER PC BOARD SCHEMATICS6682-5 Ch'ge. Sht. No. 9-7-84A 1-31-86A 7-11-86D 3-6-92B 7-10

G-11ELECTRICAL DIAGRAMSNA-5METER PC BOARD SCHEMATIC & LAYOUT51521143514SETSSPEED512511ACTUAL516513VOLTSTO DIGITAL METER510A 510B10 VAC2+5V602WIRE

G-12ELECTRICAL DIAGRAMSNA-5MISCELLANEOUS PC BOARDSIDENTIFICATIONPART NO.REQ'DITEMCAPACITORS = MFD/VOLTSRESISTORES = OHMSD3D2L6252-2NA-5 POWERR1

INSTALLATIONA-9A-9NA-5FIGURE A.8 – CONNECTION OF NA-5 (ALL) TO A DC-600. N.A. ON EARLIER DC-600'S, #67 TERMINAL WAS ALSO ON THE TERMINAL STR

INSTALLATIONA-10A-10NA-5FIGURE A.9 – CONNECTION OF NA-5 (ALL) TO A DC-650 PRO NOTE: ABOVE DIAGRAMS SHOW ELECTRODE CONNECTED POSITIVE. TO CHANGE POLA

INSTALLATIONA-11A-11NA-5FIGURE A.10 – CONNECTION OF NA-5 (ALL) TO A R3S-400, -600, OR -800WITH NO LINE VOLTAGE COMPENSATOR (OBSOLETE).R3S POWER SOURCE

INSTALLATIONA-12A-12NA-5FIGURE A.11 – CONNECTION OF NA-5 (ALL) TO A SAM-400 MOTORGENERATOR OR ENGINE WELDER. NOTE: TO CHANGE POLARITY, TURN POWER OFF

SAFETYiiFOR ENGINEpowered equipment.1.a. Turn the engine off before troubleshooting and maintenancework unless the maintenance work requires it to be

INSTALLATIONA-13A-13NA-5FIGURE A.12 – CONNECTION OF NA-5 (ALL) TO A SAM-650 ENGINE WELDER. NOTE: TO CHANGE POLARITY, TURN POWER OFF, AND POSITION T

INSTALLATIONA-14A-14NA-5FIGURE A.13 – CONNECTION OF NA-5 TO DC-1000 OR DC-1500. THE DIAGRAM SHOWS ELECTRODE CONNECTED POSITIVE. TO CHANGE POLARITY, T

INSTALLATIONA-15A-15NA-5FIGURE A.14 – CONNECTION OF NA-5 TO DC-400 OR CV-400.THE DIAGRAM SHOWS ELECTRODE CONNECTED POSITIVE. TO CHANGE POLARITY, TURN

NOTESA-16A-16NA-5Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to Master TOC Retu

TABLE OF CONTENTS- OPERATING INSTRUCTIONS SECTION - NA-5Operating Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

OPERATOR’SINSTRUCTIONSOnce the system is properly set up, theoperator can make production weldswithout readjusting the controlsusing thefollowing simp

OPERATING INSTRUCTIONSB-3B-3NA-5CONTROLS ANDTHEIR FUNCTIONSThe operator controls for the NA-5 areillustrated in Figure B.1. Refer to the figureand the

OPERATING INSTRUCTIONSB-4B-4NA-5SETUP INSTRUCTIONSUse the following steps to set up the NA-5welding system prior to welding:1. If using a multi-proces

OPERATING INSTRUCTIONSB-5B-5NA-5 11. Set the travel speed as specified bythe procedures. With the wire feedertravel switch set to “Hand Travel”, thet

OPERATING INSTRUCTIONSB-6B-6NA-5The starting sequence is as described aboveexcept that when the arc strikes, themachine welds at the wire speed andvol

SAFETYiiiiARC RAYS can burn.4.a. Use a shield with the proper filter and coverplates to protect your eyes from sparks andthe rays of the arc when weld

OPERATING INSTRUCTIONSB-7B-7NA-5Travel Starts Travel Stops Older Models Newer Models*With “Start” With “Stop” Lead #691 to Pin 6Button Button Lead #69

OPERATING INSTRUCTIONSB-8B-8Wire Feed Motor AccelerationELECTRIC SHOCKcan kill.• Turn off input power tothe welding power sourceusing the disconnectsw

TABLE B.2 – STOPPING SEQUENCE SETTINGS.When “Stop” Buttonis Pressed Older Models Newer Models*Feed motor stops and Lead #693 to Pin 3electrode burns

AUTOMATIC SHUTDOWNIf the NA-5 voltage control is unable tosupply the “Set” value of the arc voltagewhile welding, the automatic shutdowncircuit will a

OPERATING INSTRUCTIONSB-11B-11NA-5In some cases, it is also possible to hold the“Actual” button pressed while starting thearc. Before the NA-5 shuts

OPERATING INSTRUCTIONSB-12B-12NA-5SECURITY OF WELDPROCEDURE SETTINGSThere are two means provided to prevent orlimit unauthorized readjustment of the N

TABLE OF CONTENTS- ACCESSORIES SECTION - NA-5Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C-2ACCESSORIESC-2NA-5Product Number Product NameK29 VERTICAL LIFT ADJUSTERK58 MAGNETIC SEPARATORK96 HORIZONTAL ADJUSTERK129 SUBMERGED ARC SMALL WIRE T

ACCESSORIESC-3C-3NA-5 LISTING OF ACCESSORIESK29 VERTICAL LIFT ADJUSTERWhen mounted in the NA-5 head mountingsystem, the K29 Vertical Lift Adjusterprov

ACCESSORIESC-4C-4K225 SUBMERGEDARC TWINARC KITThe Twinarc kit provides for the feeding oftwo 5/64, 3/32, or 1/8 in. (1.98, 2.38, or3.18 mm) solid wire

SAFETYiiiiiiFOR ELECTRICALLYpowered equipment.8.a. Turn off input power using the disconnectswitch at the fuse box before working onthe equipment.8.b.

ACCESSORIESC-5C-5NA-5K334 START AND CRATERCONTROLS Easily installed procedure and timer boardsto permit adjustment of wire speed andvoltage. Can be i

NOTESC-6C-6NA-5 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to Master TOC Retu

TABLE OF CONTENTS- MAINTENANCE SECTION - NA-5Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Sect

D-2MAINTENANCED-2NA-5CONTROL BOXGENERALInspect the control box every 3 months. Ifneeded, blow dirt out using lowpressure air.No further maintenance sh

MAINTENANCED-3D-3NA-5The 1/8 amp fast-blow fuse, shown in FigureD.3, on a voltage PC board built since 1983,protects the NA-5 circuitry from damagewhi

MAINTENANCED-4D-4NA-5WIRE DRIVE MOTORPeriodically inspect the wire drive motorbrushes, Figure D.4. Replace the brushesas needed.CHANGING WIRE FEED GEA

MAINTENANCED-5D-5NA-53. Pull the gear from the shaft using thescrews as a pulling device.4. Be certain woodruff key (8) is properlylocated on the shaf

MAINTENANCED-6D-6NA-5OPTIONAL FEATURESCONTACT ASSEMBLIESA dirty or rusty electrode and excessivelyhigh currents cause rapid wear of thecontact tips. T

E-1THEORY OF OPERATIONE-1NA-5TABLE OF CONTENTS -THEORY OF OPERATION SECTION-Theory of Operation...

E-2THEORY OF OPERATIONE-2INPUT POWER CIRCUITSThe NA-5 control unit is supplied with115VAC power usually from the weldingpower source. The 115VAC powe

SAFETYivivPRÉCAUTIONS DE SÛRETÉPour votre propre protection lire et observer toutes les instructionset les précautions de sûreté specifiques qui parra

E-3THEORY OF OPERATIONE-3POWER AND VOLTAGEBOARDSThe AC voltages that are received bythe power board are rectified and regu-lated. These DC voltages a

E-4THEORY OF OPERATIONE-4CONTROL, LOGIC AND PROCEDURE BOARDSThe logic board interprets and processes the signals itreceives from the various PC boards

E-5THEORY OF OPERATIONE-5OPTIONAL START, CRATERFILL AND WELD TIMERBOARDSWhen installed, the optional start boarddictates to the procedure board thesta

E-6THEORY OF OPERATIONE-6NA-5SCR OPERATIONA silicon controlled rectifier (SCR) is a three terminaldevice used to control rather large currents to a lo

NA-5SECTION F-1TROUBLESHOOTING & REPAIRSECTION F-1TABLE OF CONTENTS -TROUBLESHOOTING AND REPAIR SECTION-Troubleshooting and Repair...

WARNINGNA-5F-2TROUBLESHOOTING & REPAIRF-2This Troubleshooting Guide is provided tohelp you locate and repair possible machinemalfunctions. Simply

NA-5F-3TROUBLESHOOTING & REPAIRF-3_______________________________CAUTION: Sometimes machine failuresappear to be due to PC board failures. Thesep

F-4TROUBLESHOOTING & REPAIRF-4NA-5Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test pr

F-5TROUBLESHOOTING & REPAIRF-5NA-5Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test pr

F-6TROUBLESHOOTING & REPAIRF-6NA-5Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test pr

vvNA-5MASTER TABLE OF CONTENTS FOR ALL SECTIONSPageSafety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

F-7TROUBLESHOOTING & REPAIRF-7NA-5Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test pr

F-8TROUBLESHOOTING & REPAIRF-8NA-5Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test pr

F-9TROUBLESHOOTING & REPAIRF-9NA-5Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test pr

F-10TROUBLESHOOTING & REPAIRF-10NA-5Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test

F-11TROUBLESHOOTING & REPAIRF-11NA-5Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test

F-12TROUBLESHOOTING & REPAIRF-12NA-5Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test

F-13TROUBLESHOOTING & REPAIRF-13NA-5Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test

F-14TROUBLESHOOTING & REPAIRF-14NA-5Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test

F-15TROUBLESHOOTING & REPAIRF-15NA-5Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test

F-16TROUBLESHOOTING & REPAIRF-16NA-5Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test

NOTESviviNA-5Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC

F-17TROUBLESHOOTING & REPAIRF-17NA-5Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test

F-18TROUBLESHOOTING & REPAIRF-18NA-5Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test

F-19TROUBLESHOOTING & REPAIRF-19NA-5Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test

F-20TROUBLESHOOTING & REPAIRF-20NA-5Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test

F-21TROUBLESHOOTING & REPAIRF-21NA-5Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test

F-22TROUBLESHOOTING & REPAIRF-22NA-5Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test

F-23TROUBLESHOOTING & REPAIRF-23NA-5Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test

F-24TROUBLESHOOTING & REPAIRF-24NA-5Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test

F-25TROUBLESHOOTING & REPAIRF-25NA-5Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test

F-26TROUBLESHOOTING & REPAIRF-26NA-5Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test

TABLE OF CONTENTS- INSTALLATION SECTION - NA-5Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

F-27TROUBLESHOOTING & REPAIRF-27NA-5Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test

F-28TROUBLESHOOTING & REPAIRF-28NA-5Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test

F-29TROUBLESHOOTING & REPAIRF-29NA-5Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test

F-30TROUBLESHOOTING & REPAIRF-30NA-5Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test

F-31TROUBLESHOOTING & REPAIRF-31NA-5Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test

F-32TROUBLESHOOTING & REPAIRF-32NA-5Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test

F-33TROUBLESHOOTING & REPAIRF-33NA-5Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test

F-34TROUBLESHOOTING & REPAIRF-34NA-5Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test

F-35TROUBLESHOOTING & REPAIRF-35NA-5Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test

F-36TROUBLESHOOTING & REPAIRF-36LED Number Functions Indicated By PC Board LEDS1A +15VDC Analog Supply Present1B -10VDC Analog Supply Present1C Do

A-2INSTALLATIONA-2NA-5TECHNICAL SPECIFICATIONS – NA-5MINIMUM ELECTRICAL INPUT REQUIREMENTS115 VAC @ 3 amps 50/60 Hz powerREQUIRED WELDING POWER SOURCE

F-37TROUBLESHOOTING & REPAIRF-37Light Location Idle "Inch Up" "Inch Down" "Start" "Stop" Burnback Weld Ar

NA-5F-38TROUBLESHOOTING & REPAIRF-38TEST DESCRIPTIONThis will help determine if the power and logic boards are supplying the correct DC voltagesto

F-39TROUBLESHOOTING & REPAIRF-39TEST PROCEDURE1. Remove input power to the NA-5.2. Using the 5/16" nutdriver open thecontrol box PC board a

F-40TROUBLESHOOTING & REPAIRF-40CHECK POINT TEST CONNECTOR LEAD NO. NORMALLOCATION DESCRIPTION PLUG PIN NO. ACCEPTABLE VOLTAGE READINGCONTROL PC

F-41TROUBLESHOOTING & REPAIRF-41DC POWER SUPPLY TEST (continued)NA-5CHECK POINT TEST CONNECTOR LEAD NO. NORMALLOCATION DESCRIPTION PLUG PIN NO.

F-42TROUBLESHOOTING & REPAIRF-42NA-5TEST DESCRIPTIONThis test will help the technician to determine if the T1 and/or T2 transformers are functioni

F-43TROUBLESHOOTING & REPAIRF-43PROCEDURE1. Remove all input power to the NA-5.2. Using 5/16" nutdriver open the con-trol box PC board acce

F-44TROUBLESHOOTING & REPAIRF-447. Check for approximately 22VAC atthe blue secondary leads. The bluesecondary leads are connected tothe logic b

F-45TROUBLESHOOTING & REPAIRF-45NA-5TEST DESCRIPTIONThis test will aid the technician in determining if the transformer on the voltage board is fu

F-46TROUBLESHOOTING & REPAIRF-46TEST PROCEDURE1. Remove all input power to the NA-5.2. Using the 5/16" nutdriver open thecontrol box PC boa