Lincoln Electric SVM156-A Manual do Utilizador

SVM156-AOctober, 2001Safety Depends on YouLincoln arc welding and cuttingequipment is designed and builtwith safety in mind. However, your overall sa

SAFETY PRECAUTIONSRead this entire installation section before youstart installation.ELECTRIC SHOCK can kill.• Only qualified personnel should per-for

TROUBLESHOOTING & REPAIRF-54 F-54POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-55 F-55POWER WAVE 455/RAUXILIARY TRANSFORMER NO. 2 REMOVAL ANDREPLACEMENT PROCEDUREWARNINGService and repair should be p

TROUBLESHOOTING & REPAIRF-56 F-56POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-57 F-57POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-58 F-58POWER WAVE 455/RCONTROL, FEED HEAD, OR VOLTAGE SENSE PC BOARD REMOVAL AND REPLACEMENTWARNINGService and repair sh

TROUBLESHOOTING & REPAIRF-59 F-59POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-60 F-60POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-61 F-61POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-62 F-62POWER WAVE 455/RGATEWAY PC BOARD REMOVAL AND REPLACEMENTWARNINGService and repair should be performed by only Lin

TROUBLESHOOTING & REPAIRF-63 F-63POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

INPUT CONNECTIONOnly a qualified electrician should connect the inputleads to the Power Wave. Connections should be madein accordance with all local a

TROUBLESHOOTING & REPAIRF-64 F-64POWER WAVE 455/RSTT CURRENT TRANSDUCER REMOVAL AND REPLACEMENTWARNINGService and repair should be performed by on

TROUBLESHOOTING & REPAIRF-65 F-65POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-66 F-66POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-67 F-67POWER WAVE 455/RPOWER WAVE CURRENT TRANSDUCER REMOVAL AND REPLACEMENTWARNINGService and repair should be performe

TROUBLESHOOTING & REPAIRF-68 F-68POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-69 F-69POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-70 F-70POWER WAVE 455/ROUTPUT RECTIFIER, STT CHOPPER BOARD AND RECTIFIER MODULEREMOVAL AND REPLACEMENTWARNINGService and

TROUBLESHOOTING & REPAIRF-71 F-71POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-72 F-72POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-73 F-73POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

A-6 A-6INSTALLATIONPOWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return

TROUBLESHOOTING & REPAIRF-74 F-74POWER WAVE 455/RSWITCH BOARD AND FILTER CAPACITOR REMOVAL AND REPLACEMENTWARNINGService and repair should be perf

TROUBLESHOOTING & REPAIRF-75 F-75POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-76 F-76POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

Retest a machine:If it is rejected under test for any reason that requires you to remove any part which could affect the machine’s electrical characte

F-78 F-78NOTESPOWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to Ma

Section G-1 Section G-1TABLE OF CONTENTS- ELECTRICAL DIAGRAMS SECTION -POWER WAVE 455/RReturn to Master TOC Return to Master TOC Return to Master TOC

ELECTRICAL DIAGRAMSG-2POWER WAVE 455/RWIRING DIAGRAM - POWER WAVE 455/R CODE 10675-TO J9202WORK202ATO R1TO TP6TO TP3TOCB1S1WIREFEEDERRECEPTACLEJ47+ELE

ELECTRICAL DIAGRAMSG-3POWER WAVE 455/RWIRING DIAGRAM- POWER WAVE 455/R CODE 10676-TO J9202WORK202ATO R1TO TP6TO TP3TOCB1S1WIREFEEDERRECEPTACLEJ47+ELEC

Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to Master TOC Return to Master TOC

ELECTRICAL DIAGRAMSG-5POWER WAVE 455/RSCHEMATIC-COMPLETE MACHINE CODE 10676MANUFACTURING TOLERANCE PER E2056UNLESS OTHERWISE SPECIFIED TOLERANCESCALE:

When these parameters are identical, the pulsing fre-quency will be the same, helping to stabilize the arcs.Every welding gun requires a separate shie

Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to Master TOC Return to Master TOC

Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to Master TOC Return to Master TOC

ELECTRICAL DIAGRAMSG-8POWER WAVE 455/RSCHEMATIC-DEVICENET/GATEWAY PC BOARDG-8NOTE: This diagram is for reference only. It may not be accurate for all

Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to Master TOC Return to Master TOC

ELECTRICAL DIAGRAMSG-10POWER WAVE 455/RSCHEMATIC - CONTROL PC BOARDSOLID EDGEMANUFACTURING TOLERANCE PER E2056UNLESS OTHERWISE SPECIFIED TOLERANCESCAL

NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your fa

Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to Master TOC Return to Master TOC

NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your fa

ELECTRICAL DIAGRAMSG-14POWER WAVE 455/RSCHEMATIC - FEEDHEAD PC BOARD #13823-1C1/107/17/2000LRWCOMMON DIGITAL CONTROLSFEEDHEAD PC BOARD SCHEMATIC11-3-2

ELECTRICAL DIAGRAMSG-15POWER WAVE 455/RSCHEMATIC- FEEDHEAD PC BOARD #23823-1C1/207/17/2000LRWCOMMON DIGITAL CONTROLSFEEDHEAD PC BOARD SCHEMATIC11-3-20

VOLTAGE SENSING The best arc performance occurs when the PowerWave has accurate data about the arc conditions.Depending upon the process, inductance w

ELECTRICAL DIAGRAMSG-16POWER WAVE 455/RSCHEMATIC- FEEDHEAD PC BOARD #33823-1C1/307/17/2000LRWCOMMON DIGITAL CONTROLSFEEDHEAD PC BOARD SCHEMATIC11-3-20

NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your fa

Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to Master TOC Return to Master TOC

NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your fa

Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to Master TOC Return to Master TOC

NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your fa

Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to Master TOC Return to Master TOC

NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your fa

Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to Master TOC Return to Master TOC

NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your fa

WORK VOLTAGE SENSINGThe Power Wave is shipped from the factory with thework sense lead enabled.For processes requiring work voltage sensing, connectth

SVM ERROR REPORTING FORMWe need to know if there are errors in our manuals. We also value any suggestions as toadditional tests or procedures that wo

DIP SWITCH SETTINGS AND LOCATIONSDIP switches on the PC boards allow for custom con-figuration of the Power Wave. Access the DIP switch-es as follows

DEVICENET/GATEWAY BOARDDIP SWITCH, BANK (S2):switch 1,2 = configure the baud rate for DeviceNETPrior to S24958-6 softwareswitch 1 switch 2 baud rateof

A-12 A-12NOTESPOWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to Ma

Operation...Section BSafet

CALIFORNIA PROPOSITION 65 WARNINGSi iSAFETYFOR ENGINEpowered equipment.1.a. Turn the engine off before troubleshooting and maintenancework unless the

SAFETY PRECAUTIONSRead this entire section of operating instructionsbefore operating the machine.ELECTRIC SHOCK can kill.• Unless using cold feed feat

B-3 B-3OPERATIONPOWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to

GENERAL DESCRIPTIONThe Power Wave power source is designed to be a partof a modular, multi-process welding system.Depending on configuration, it can s

RECOMMENDED PROCESSES AND EQUIPMENTRECOMMENDED PROCESSESThe Power Wave 455/R can be set up in a number ofconfigurations, some requiring optional equip

CASE FRONT CONTROLSAll operator controls and adjustments are located onthe case front of the Power Wave. (See Figure B.1) 1. POWER SWITCH: Controls in

WELDING MODE DESCRIPTIONSCONSTANT VOLTAGE WELDINGFor each wire feed speed, a corresponding voltage ispreprogrammed into the machine through special so

PULSE WELDINGPulse welding procedures are set by controlling anoverall “arc length” variable. When pulse welding, thearc voltage is highly dependent

STT WELDINGThe pictures illustrate the waveshape of current for theprocess. They are not drawn to scale, and are intend-ed only for the purpose of sho

B-10 B-10NOTESPOWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to Ma

Accessories ...Section COptiona

ii iiSAFETYReturn to Master TOC Return to Master TOC Return to Master TOC Return to Master TOCARC RAYS can burn.4.a. Use a shield with the proper filt

OPTIONAL EQUIPMENTFACTORY INSTALLEDThere are no factory installed options available for thePower Wave 455R.FIELD INSTALLED• Gas Guard Regulator (K659-

Maintenance...Section DSafety P

SAFETY PRECAUTIONSELECTRIC SHOCK can kill.• Only Qualified personnel shouldperform this maintenance.• Turn the input power OFF at thedisconnect swit

D-3 D-3MAINTENANCEPOWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return t

D-4 D-4NOTESPOWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to Mast

Theory of Operation ...Section EGeneral Desc

GENERAL DESCRIPTIONThe Power Wave 455/R power source is designed tobe a part of a modular, multi-process welding system.It is a high performance, digi

INPUT VOLTAGE AND PRECHARGEThe Power Wave 455/R can be connected for a varietyof three-phase input voltages. Refer to Figure E.2.The initial input po

SWITCH BOARDS AND MAINTRANSFORMERThere are two switch boards in the Power Wave 455/Rmachine. Each contains an input capacitor and insu-lated gate bip

DC BUS BOARD, POWER BOARD,FEED HEAD BOARD, GATEWAYBOARD AND VOLTAGE SENSEBOARDThe DC Bus Board receives approximately 65VDCfrom the Bus Board rectifie

iii iiiSAFETYReturn to Master TOC Return to Master TOC Return to Master TOC Return to Master TOCFOR ELECTRICALLYpowered equipment.8.a. Turn off input

E-6 E-6THEORY OF OPERATIONPOWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC

CONTROL BOARDThe Control Board performs the primary interfacingfunctions to establish and maintain output control of thePower Wave 455R machine. The

OUTPUT RECTIFIER, OUTPUTCHOKE AND STT CHOPPERBOARDThe output rectifier receives the AC output from themain transformer secondary and rectifies it to a

THERMAL PROTECTIONThree normally closed (NC) thermostats protect themachine from excessive operating temperatures.These thermostats are wired in serie

GENERAL DESCRIPTION OF THE STT (SURFACE TENSIONTRANSFER) PROCESSThe STT process cannot be classified as either a con-stant current (CC) or a constant

INSULATED GATE BIPOLAR TRANSISTOR (IGBT) OPERATIONAn IGBT is a type of transistor. IGBTs are semicon-ductors well suited for high frequency switching

PULSE WIDTH MODULATION The term PULSE WIDTH MODULATION (PWM) isused to describe how much time is devoted to conduc-tion in the positive and negative

Troubleshooting & Repair ...Section FHow to Use Tr

This Troubleshooting Guide is provided to helpyou locate and repair possible machine malfunc-tions. Simply follow the three-step procedurelisted belo

ELECTRIC SHOCK can kill.Have an electrician install and servicethis equipment. Turn the machine OFFbefore working on equipment. Do nottouch electric

iv ivSAFETYReturn to Master TOC Return to Master TOC Return to Master TOC Return to Master TOCPRÉCAUTIONS DE SÛRETÉPour votre propre protection lire e

Observe Safety Guidelines TROUBLESHOOTING GUIDEdetailed in the beginning of this manual.CAUTIONIf for any reason you do not understand the test proced

TROUBLESHOOTING GUIDE Observe Safety Guidelinesdetailed in the beginning of this manual.CAUTIONIf for any reason you do not understand the test proced

Observe Safety Guidelines TROUBLESHOOTING GUIDEdetailed in the beginning of this manual.CAUTIONIf for any reason you do not understand the test proced

TROUBLESHOOTING GUIDE Observe Safety Guidelinesdetailed in the beginning of this manual.CAUTIONIf for any reason you do not understand the test proced

Observe Safety Guidelines TROUBLESHOOTING GUIDEdetailed in the beginning of this manual.CAUTIONIf for any reason you do not understand the test proced

TROUBLESHOOTING & REPAIRF-9 F-9POWER WAVE 455/RINPUT FILTER CAPACITOR DISCHARGE PROCEDUREWARNINGService and repair should be performed by only Lin

TROUBLESHOOTING & REPAIRF-10 F-10POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-11 F-11POWER WAVE 455/RSWITCH BOARD TESTWARNINGService and repair should be performed by only Lincoln Electric factory t

TROUBLESHOOTING & REPAIRF-12 F-12POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-13 F-13POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

v v- MASTER TABLE OF CONTENTS FOR ALL SECTIONS -POWER WAVE 455/RPageSafety...

TROUBLESHOOTING & REPAIRF-14 F-14POWER WAVE 455/RINPUT RECTIFIER TESTWARNINGService and repair should be performed by only Lincoln Electric factor

TROUBLESHOOTING & REPAIRF-15 F-15POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-16 F-16POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-17 F-17POWER WAVE 455/RINPUT CONTACTOR TESTWARNINGService and repair should be performed by only Lincoln Electric factor

TROUBLESHOOTING & REPAIRF-18 F-18POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-19 F-19POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-20 F-20POWER WAVE 455/RDC BUS POWER SUPPLY PC BOARD TESTWARNINGService and repair should be performed by only Lincoln El

TROUBLESHOOTING & REPAIRF-21 F-21POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-22 F-22POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-23 F-23POWER WAVE 455/RPOWER BOARD TESTWARNINGService and repair should be performed by only Lincoln Electric factory tr

Installation...Section ATech

TROUBLESHOOTING & REPAIRF-24 F-24POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

POWER BOARD CONNECTOR PLUG J41POWER BOARD CONNECTOR PLUG J42POWER BOARD CONNECTOR PLUG J42POWER BOARD CONNECTOR PLUG J42POWER BOARD CONNECTOR PLUG J43

TROUBLESHOOTING & REPAIRF-26 F-26POWER WAVE 455/RINPUT BOARD TESTWARNINGService and repair should be performed by only Lincoln Electric factory tr

TROUBLESHOOTING & REPAIRF-27 F-27POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-28 F-28POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-29 F-29POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-30 F-30POWER WAVE 455/RSTT CHOPPER BOARD TESTWARNINGService and repair should be performed by only Lincoln Electric fact

TROUBLESHOOTING & REPAIRF-31 F-31POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-32 F-32POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-33 F-33POWER WAVE 455/RPOWER WAVE CURRENT TRANSDUCER TESTWARNINGService and repair should be performed by only Lincoln E

A-2 A-2INSTALLATIONReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to Master TOC Re

TROUBLESHOOTING & REPAIRF-34 F-34POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-35 F-35POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-36 F-36POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-37 F-37POWER WAVE 455/RSTT CURRENT TRANSDUCER TESTWARNINGService and repair should be performed by only Lincoln Electric

TROUBLESHOOTING & REPAIRF-38 F-38POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-39 F-39POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-40 F-40POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-41 F-41POWER WAVE 455/ROUTPUT RECTIFIER TESTWARNINGService and repair should be performed by only Lincoln Electric facto

TROUBLESHOOTING & REPAIRF-42 F-42POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-43 F-43POWER WAVE 455/RAUXILIARY TRANSFORMER NO. 1 TESTWARNINGService and repair should be performed by only Lincoln Ele

A-3 A-3INSTALLATIONPOWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return

TROUBLESHOOTING & REPAIRF-44 F-44POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-45 F-45POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-46 F-46POWER WAVE 455/RAUXILIARY TRANSFORMER NO. 2 TESTWARNINGService and repair should be performed by only Lincoln Ele

TROUBLESHOOTING & REPAIRF-47 F-47POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-48 F-48POWER WAVE 455/RINPUT RECTIFIER REMOVAL AND REPLACEMENTWARNINGService and repair should be performed by only Linc

TROUBLESHOOTING & REPAIRF-49 F-49POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-50 F-50POWER WAVE 455/RINPUT CONTACTOR REMOVAL AND REPLACEMENTWARNINGService and repair should be performed by only Linc

TROUBLESHOOTING & REPAIRF-51 F-51POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to

TROUBLESHOOTING & REPAIRF-52 F-52POWER WAVE 455/RAUXILIARY TRANSFORMER NO. 1 REMOVAL ANDREPLACEMENT PROCEDUREWARNINGService and repair should be p

TROUBLESHOOTING & REPAIRF-53 F-53POWER WAVE 455/RReturn to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to