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Kemppi FitWeld 300 Service Manual

Kemppi FitWeld 300
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Service manual
Fitweld 300
Version 1.2

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Kemppi FitWeld 300 Specifications

General IconGeneral
BrandKemppi
ModelFitWeld 300
CategoryWelding System
LanguageEnglish

Summary

Technical Data

Supply Voltage

Specifies the input voltage range and frequency for the welding machine.

Rated Power

Indicates the maximum apparent power (kVA) the machine can draw.

Load Capacity at 40°C

Details the welding current and voltage ratings at different duty cycles.

Welding Range

Defines the operational range of welding current and voltage.

Connection Cable and Fuse

Specifies the requirements for the power connection cable and fuse.

Open Circuit Voltage

States the voltage output when the welding arc is not initiated.

Power Ratio and Efficiency

Information on power factor and efficiency at maximum current.

Physical Specifications

Covers maximum wire spool size, external dimensions, and weight.

Filler Wire Compatibility

Lists compatible filler wire types and their diameter ranges.

User Interface Overview

Front Plate Controls

Identifies adjustments and indicators on the front panel.

Back Plate Connections

Details connectors and the main switch located on the back panel.

Spool Room Features

Describes switches, adjustments, and lighting within the spool compartment.

Construction and Components

Internal Component Identification

Visual guide to key internal parts like cooling fans and wire feeder motor.

Maintenance and Safety Notes

Provides tips on screw replacement and essential safety checks.

Main Circuit Diagram

Circuit Diagram Layout

Presents the overall schematic showing interconnections of major components.

Main Circuit Card Z001 Details

Functions and Components of Z001

Lists the functions and identifies components of the Z001 card.

Z001 Jumper Settings

Details the default configurations for jumpers on the Z001 card.

Main Circuit Card Z001 Measurements

DC-link Voltage Measurement Procedure

Step-by-step guide for measuring DC-link voltage using a multimeter.

Primary Rectifier Diode Testing

Instructions for testing primary rectifier diodes with a digital multimeter.

Secondary Rectifier Z002

Main Components and Function

Overview of the secondary rectifier's main components and their roles.

Measurement and Testing Points

Details on measurement points for secondary diodes and damping resistors.

Wire Feeder Motor Control Card A001

Functions, Notes, and Adjustments

Describes card functions, important notes, and adjustments for wire feed speed.

Panel Card P001 and Gas Switch S002

Panel Card P001 Functions

Details the functions of the panel card, including voltage filtering and indicator LEDs.

Gas Pressure Switch S002 Functions

Explains the function of the gas pressure switch and its adjustment.

Installation of Semiconductors

IGBT Mounting onto Heat Sink

Procedure for correctly mounting IGBT modules onto the heat sink, including torques.

Secondary Diode Unit Installation

Guidance on installing the secondary diode unit, including screw type and torque.

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