Fronius THP 120 - 300 SH User Manual

Fronius prints on elemental chlorine free paper (ECF) sourced from certified sustainable forests (FSC).
/ Perfect Charging / Perfect W
elding / Solar Energy
THP 120 - 300 SH
THP 160 - 500d
THP 160 - 500i
HPT 220 - 400i
EN-US
Service manual
TIG manual welding torch
42,0426,0295,EA 007-13082020

Fronius THP 120 - 300 SH Specifications

General

Brand	Fronius
Model	THP 120 - 300 SH
Category	Welding System
Language	English

Summary

Foreword and Safety

Safety Guidelines

Critical safety warnings and guidelines for performing service operations.

Technical Support Information

Information on contacting Fronius Technical Support for assistance.

Service Manual Overview

Tools, Functions, and Troubleshooting

Tools and Measurement Devices

Overview of all tools, equipment, and materials required for servicing.

Function Overview

Explanation of the primary components and their functions.

Troubleshooting Procedures

Guides for diagnosing issues and resolving common welding torch problems.

Component Replacement

Safety and ESD Precautions

Important safety and ESD precautions before and during component replacement.

Model-Specific Procedures

Detailed procedures for replacing components on different torch models.

Testing Following Repairs

Test Process and Mechanical Inspection

Overview of tests and procedure for physical inspection of the torch.

Flow, Leak, and Electrical Tests

Tests for gas/water flow, leaks, and operating element functionality.

Voltage Drop Measurement

Method for measuring voltage drop under load for cable integrity.