Hobart Welding Products
250A
manual
Electrical Diagram, Circuit Diagram
Troubleshooting
Specs
Parts list
Electrical Diagram
Symbol Usage
Connecting Work Clamp
Dimension
Safety
Service
Page 25
SECTION 7 − ELECTRICAL DIAGRAM
213
899-A
Figure
7-1.
Circuit Diagram
OM-928
Page 21
Page 24
Page 26
Image 25
Page 24
Page 26
Contents
Description
Processes
From Hobart to You
Table of Contents
Page
Marks a special safety message
Symbol Usage
Plasma Arc Cutting Hazards
Cutting can cause fire or explosion
Flying Sparks can cause injury
Exploding Parts can injure
ARC Rays can burn eyes and skin
Noise can damage hearing
California Proposition 65 Warnings
EMF Information
Principal Safety Standards
About Pacemakers
LE Coupage présente un risque de feu ou d’explosion
Signification des symboles
UNE Décharge Électrique peut entraîner la mort
Identifie un message de sécurité particulier
LE Bruit peut endommager l’ouïe
Risque de blessure en cas
LES Fumées ET LES GAZ peuvent être dangereux
LE Plasma D’ARC peut entraîner des blessures
DES Pieces Chaudes peuvent pro- voquer des brûlures graves
LES Bouteilles peuvent exploser si elles sont endommagées
DES Organes Mobiles peuvent provoquer des blessures
DES Particules Volantes peuvent blesser les yeux
Information sur les champs électromagnétiques
Principales normes de sécurité
Consignes relatives aux stimulateurs cardiaques
I1max
− Definitions
I1eff
Specifications For Power Source
− Installation
Specifications For Torch
Duty Cycle And Overheating
Dimensions And Weight
Torch Dimensions And Weight
Selecting a Location
Movement Location And Airflow
Connecting Input Power
Connecting Work Clamp
− Operation
Trigger Safety Lock
Controls
Sequence Of Operation
Pilot arc starts immediately when trigger is pressed
197 196
Months
− Maintenance & Troubleshooting
Checking Torch Shield Cup Shutdown System
Trouble Light And Checking Shield Cup Shutdown System
Torch Connections
Torch And Work Cable Connections
Work Cable Connections
Checking/Replacing Retaining Cup, Tip, And Electrode
Turn Off power source before checking torch parts
Troubleshooting Power Source
Troubleshooting Torch
Circuit Diagram
− Electrical Diagram
Main Assembly
− Parts List
Dia Part Description Quantity Mkgs
Ring 196935 196929 197567 196926 196925 196927
Ring
Cup 196928
Page
Page
Support
Service
Hobart Welding Products
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