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Miller Electric
Big 40 WG manual OM-4405
Models:
Big 40 WG
1
63
80
80
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Troubleshooting
Specification
Install
Parts list
Error codes
Electrical Diagrams
Maintenance
Connecting The Battery
Press button to reset breaker
Control Box Assembly CC Models
Page 63
Image 63
Notes
OM-4405
Page 59
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Image 63
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Contents
OM-4405
Processes
Description
From Miller to You
Table of Contents
Options and Accessories Warranty
ARC Rays can burn eyes and skin
Symbol Usage
Arc Welding Hazards
Electric Shock can kill
Engine Hazards
Engine Heat can cause fire
Battery Explosion can Blind
Moving Parts can cause injury
Engine Exhaust Gases can kill
ARC Welding can cause interference
Principal Safety Standards
EMF Information
Radiation can cause interference
LES Fumé ES ET LES GAZ peuvent ê tre dangereux
Signification des symboles
Consignes DE SÉ Curité Lire Avant Utilisation
UN Choc É Lectrique peut tuer
LE Bruit peut affecter l’ouïe
LE Soudage peut provoquer un in- cendie ou une explosion
DES Particules Volantes peuvent blesser les yeux
DES PIÈ CES Chaudes peuvent provoquer des brû lures graves
LA Chute DE L’APPAREIL peut blesser
DES Organes Mobiles peuvent provoquer des blessures
’EXPLOSION DE LA Batterie peut
LA Chaleur DU Moteur peut pro- voquer un incendie
Consignes relatives aux stimulateurs cardiaques
Principales normes de sé curité
Information sur les champs é lectromagné tiques
LE Soudage À L’ARC risque de provoquer des interfé rences
Definitions
Specifications
Symbols And Definitions
Weld, Power, And Engine Specifications
Volt-Ampere Curves For CC Models
Dimensions, Weights, And Operating Angles
Volt-Ampere Curves for CC/CV Models
Stick Mode
MIG Mode
TIG Mode
Duty Cycle And Overheating
Fuel Consumption
15 kVA/kW Three-Phase Auxiliary Power Plant No Weld Load
AC Auxiliary Power Curve
Optional AC Power Plant Curves
12 kVA/kW Single-Phase Auxiliary Power Plant No Weld Load
Installation
Installing Welding Generator See Sections 4-2
Using Lifting Eye
To Bolt Unit In Place
Installing Exhaust Pipe
Mounting Welding Generator
Welding Unit In Place Bolting Unit In Place
Charger
Activating The Dry Charge Battery If Applicable
Do not overfill battery cells
Read and follow all instruc
Connect Negative Cable Last
Connecting The Battery
Oil
Coolant Recovery Tank
Engine Prestart Checks
Fuel
Selecting Weld Cable Sizes
Connecting To Weld Output Terminals
Ref 862-A / 048 720-K / 802
Socket Information
Connecting To Remote 14 Receptacle RC14 On CC/CV Models
Front Panel Controls For CC Models See Section
Operating Welding Generator CC Models
To Start
Engine Indicator Lights
Do not switch under load
Engine Starting Controls
Remote Amperage Control On CC Models Optional
OM-4405
Front Panel Controls For CC/CV Models See Section
Operating Welding Generator CC/CV Models
Voltage/Amperage Adjust Switch And Remote 14 Receptacle
Use switch to select weld amperage range
Running
Process/Contactor Switch On CC/CV Models
Process/Contactor Switch Settings
Process/Contactor Switch
Set Remote
Remote Voltage/Amperage Control On CC/CV Models Optional
Set Remote Set Range
Process
Volt And 240 Volt Receptacles
Operating Auxiliary Equipment
Single-Phase Power Connection Single-Phase Auxiliary Power
Three-Phase Power Connection
Rear Of Panel
Optional Auxiliary Power Receptacles
240 V 15 a AC South African Receptacle RC1
Circuit Breaker CB2 Circuit Breaker CB3
Maintenance Label
Maintenance & Troubleshooting
250 h
Routine Maintenance
50 h
100 h
Stop engine and let cool
Inspecting And Cleaning Optional Spark Arrestor Muffler
500 h
1000 h
Servicing Air Cleaner
Maximum
Adjusting Engine Weld/Power Speed
Adjusting Engine Idle Speed
Engine Speed
No Load
Tools Needed 1/2
Adjusting Governor Sensitivity
Servicing Fuel And Lubrication Systems
Overload Protection
Press button to reset breaker
20s Start Engine With No Load Applied
Diagnosing Causes Of Engine Fault Shutdowns
Diagnostic Checks While Running
Fault Condition
Welding CC Models
Troubleshooting
Repair or replace wire feeder
Welding CC/CV Models
Tacle see Section
Standard Auxiliary Power
Optional Auxiliary Power Plant
Engine
Or coolant temperature is too high see Sections 4-7
Wiring harness and components
Shutdown switch is released Out
Ant temperature is too high see Sections 4-7
OM-4405
Circuit Diagram For CC Welding Generator
Electrical Diagrams
201 991-A
Circuit Diagram For CC/CV Welding Generator
201 992-A
Auxiliary Power Guidelines
Selecting Equipment
Grounding Generator To Truck Or Trailer Frame
Amperes x Volts = Watts
Grounding When Supplying Building Systems
How Much Power Does Equipment Require?
Earth ground if supplying
Farm/Home Equipment Rating Starting Watts Running Watts
Approximate Power Requirements For Industrial Motors
Approximate Power Requirements For Farm/Home Equipment
Industrial Motors Rating Starting Watts Running Watts
Contractor Rating Starting Watts Running Watts
Approximate Power Requirements For Contractor Equipment
KVA/HP x HP x
Power Required To Start Motor
How Much Power Can Generator Supply?
Single-Phase Induction Motor Starting Requirements
Typical Connections To Supply Standby Power
Current Load Watts Amperes
Selecting Extension Cord Use Shortest Cord Possible
OM-4405
Parts List
107 106 101 105 103
CC only 104 -4 or
See FIG
108
Dia Part Description
Dia Part Description Mkgs Quantity
Control Box Assembly CC Models
Control Box Assembly CC Models -1 Item
Control Box Assembly CC/CV Models
177 CONN, body 5 terminal to engine control switch S1 193
Panel, Front w/Components CC Models
MS1
Panel, Front w/Components CC/CV Models -1 Item
Panel, Front w/Components CC/CV Models
PC6 192
Generator
Generator -1 Item
Main Rectifier Assembly
Service
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