Hürner HWT 400-M Manuel Utilisateur page 25

H Ü R N E R S c h w e i s s t e c h n i k G m b H
Nieder-Ohmener Str. 26
35325 Mücke, Germany
1 Introduction ........................................................................................................ 5
2 Safety Messages and Information on Remaining Risk ...................................... 5
2.1 The User's Manual............................................................................................... 5
2.2 Explaining Icons .................................................................................................. 5
2.3 Operating the Product Safely............................................................................. 5
2.4 Owner and Operator Obligations ...................................................................... 6
2.5 Intended Use ....................................................................................................... 7
2.6 Installation Site ................................................................................................... 7
2.7 Warranty .............................................................................................................. 7
2.8 Transport and Storage ........................................................................................ 7
2.9 Identifying the Product ...................................................................................... 8
3 Understanding the Machine .............................................................................. 8
3.1 General Information ........................................................................................... 8
3.2 Contents of Shipment, Specifications, and User Controls ................................ 8
3.2.1 Included Components ......................................................................................... 8
3.2.2 Component Overview ......................................................................................... 8
3.2.2 Control Terminal ................................................................................................. 9
3.2.4 Technical Specifications ...................................................................................... 9
3.3 Overview of How to Use the Machine ............................................................. 10
3.4 Installing the Master Clamping Assemblies to the Carriages ......................... 11
3.4.1 Installing the Steel Master Clamps................................................................... 11
3.4.2 Installing the Cast-aluminum Master Clamps .................................................. 12
4 Operation .......................................................................................................... 14
4.1 Start of Operation, Switching the Machine on ............................................... 14
4.2 Using the Integrated Heating Element Temperature Control ....................... 14
4.3 Welding Process Overview ............................................................................... 14
4.4 Performing the Welding Process ...................................................................... 15
4.4.1 Clamping the Components and Facing their Butts ......................................... 16
4.4.2 Checking Pipe Alignment and Determining Drag Pressure ........................... 17
4.4.3 Bead Build-up Stage ......................................................................................... 17
4.4.4 Heating Stage.................................................................................................... 18
4.4.5 Change-over Stage............................................................................................ 18
4.4.6 Joining and Cooling Phase ............................................................................... 18
4.4.7 End of Welding ................................................................................................. 18
5 Producing Pipe Fittings/Branch-offs ................................................................. 18
5.1 Preparing the Welding Operation ................................................................... 19
5.2 Making a Component that Requires Several Weldings .................................. 19
5.2.1 Making a Tee ..................................................................................................... 19
5.2.2 Making a Cross .................................................................................................. 20
5.2.3 Bevel-cutting a 90° Elbow in the Process of Making a Tee or a Cross ........... 21
5.2.4 Making a Y Branch-off ..................................................................................... 22
6 Indication of Errors Related to the Heating Element ..................................... 22
7 Service and Repair............................................................................................. 22
8 Service and Repair Contact............................................................................... 23
8.1 Technical Documentation ................................................................................. 23
8.2 Risk Assessment ................................................................................................. 23
10 Accessories/Parts for the Product ..................................................................... 23
Appendix ....................................................................................................................... 25
Version January 2020
Contents
HÜRNER HWT 400-M User's Manual
3
EN