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Miller Electric
Metro 250D manual OM-402
Models:
Metro 250D
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Troubleshooting
Specs
Install
Parts list
Electrical Diagram
Maintenance
Run-In Procedure
Adjusting Engine Speed
Battery Explosion can Blind
Servicing Air Cleaner
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Notes
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OM-402
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Contents
Processes
OM-402B
Description
From Miller to You
Table of Contents
Metro 250D
Page
Symbol Usage
Safety Precautions − Read Before Using
Arc Welding Hazards
Engine Hazards
Engine Exhaust Gases can kill
Battery Explosion can Blind
Moving Parts can cause injury
Engine Heat can cause fire
Radiation can cause interference
Principal Safety Standards
EMF Information
ARC Welding can cause interference
UN Choc Électrique peut tuer
Signification des symboles
Consignes de sécurité − lire avant utilisation
LES Fumées ET LES GAZ peuvent être dangereux
DES Pièces Chaudes peuvent provoquer des brûlures graves
LE Soudage peut provoquer un in- cendie ou une explosion
DES Particules Volantes peuvent blesser les yeux
LE Bruit peut affecter l’ouïe
LA Chaleur DU Moteur peut pro- voquer un incendie
DES Organes Mobiles peuvent provoquer des blessures
’EXPLOSION DE LA Batterie peut
LA Chute DE L’APPAREIL peut blesser
Électrostatiques peuvent endommager les circuits imprimés
Principales normes de sécurité
Information sur les champs électromagnétiques
UNE Remorque QUI Bascule peut entraîner des blessures
Symbols and Definitions
Definitions
General Precautionary Label
Battery Charging Label
Fan and Moving Parts Label
Hot Muffler Label
Diesel Fuel Label
Activation Tag
Falling Equipment Label
− 50 h Std
Do Not Use Ether Label
Manufacturer’s Rating Label
Dimensions, Weights, and Operating Angles
Specifications
Weld, Power, and Engine Specifications
Volt-Ampere Curve
Fuel Consumption
Duty Cycle and Overheating
Installing Welding Generator
Installation
AC Auxiliary Power Curve
Location Grounding
Stop engine
Connecting Battery and Installing Exhaust Pipe
Engine Prestart Checks
Connect negative − cable last
100 ft 30 m or Less
Connecting to Weld Output Terminals
Selecting Weld Cable Sizes
10 − 60% 60 − 100% Duty 10 − 100% Duty Cycle
Ref. ST-158
Remote 14 Receptacle RC1 Information
Socket Information
Front Panel Controls
Using Idle Lock Switch
Operating the Welding Generator
Plug
Remote Amperage and Contactor Control
Auxiliary Power Receptacles
Operating Auxiliary Equipment
Maintenance & Troubleshooting
100 Hrs Maintenance
Changing Engine Oil and Oil Filter
Do not clean housing with air hose
Servicing Air Cleaner
To Clean air filter
Changing Fuel Filters
Idle Speed Adjustment
Adjusting Engine Speed
Weld/Power Speed Adjustment
Overload Protection
Weld And Auxiliary Power Circuits
Remote Control Circuit
Engine Control Circuit
Servicing Optional Spark Arrestor
Welding Troubleshooting
Stop engine and let cool. Reinstall cleanout plug
Trouble Remedy
Auxiliary Power Troubleshooting
Engine Troubleshooting
Ule
OM-402
Electrical Diagram
Circuit Diagram for Welding Generator
SC-181
Wetstacking
Run-In Procedure
Heavy loading during first
Run-In Procedure Using Load Bank
Load Bank
Run-In Procedure Using Resistance Grid
Selecting Equipment
Auxiliary Power Guidelines
Grounding Generator to Truck or Trailer Frame
How Much Power Does Equipment Require?
Grounding When Supplying Building Systems
Amperes x Volts = Watts
Industrial Motors Rating Starting Watts Running Watts
Approximate Power Requirements for Industrial Motors
Approximate Power Requirements for Farm/Home Equipment
Farm/Home Equipment Rating Starting Watts Running Watts
Approximate Power Requirements for Contractor Equipment
Contractor Rating Starting Watts Running Watts
Single-Phase Induction Motor Starting Requirements
Power Required to Start Motor
How Much Power Can Generator Supply?
KVA/HP x HP x 1000 = Starting Amperage Volts
Typical Connections to Supply Standby Power
Selecting Extension Cord Use Shortest Cord Possible
Current Load Watts Amperes
Parts List
Main Assembly
ST-801 488-A
11.1
PC6
CB9
Panel, Front w/Components .1 Item
11.2
CB5
Generator .1 Item
Control Box w/Components .1 Item
Diode Board
OM-402
Page
OM-402
Page
Options and Accessories
Metro 250D
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Owner’s Record
Miller Electric Mfg. Co