Table Des Matières - Leser 330 Instructions De Service

Contents
EN
1 Introduction ................................................................................................... 4
1.1 Manufacturer ................................................................................................... 4
1.2 About this Document ....................................................................................... 4
1.3 Illustration Conventions ................................................................................... 5
2 Safety ............................................................................................................. 6
2.1 Proper use ....................................................................................................... 6
2.2 Improper use ................................................................................................... 6
2.3 Standards and technical guidelines ................................................................ 7
2.4 Safety instructions ........................................................................................... 7
3 Marking .......................................................................................................... 9
4 Design and function of Change-over Valves ............................................ 10
4.1 Designs ......................................................................................................... 10
4.2 Gaskets and leaks ......................................................................................... 10
4.3 Drainage .........................................................................................................11
4.4 Pressure relief ................................................................................................11
4.5 Flushing and pressure gauge connection ..................................................... 12
4.6 Lift indicator ................................................................................................... 13
4.7 Operating pressure and pressure loss .......................................................... 13
4.8 Ambient conditions ........................................................................................ 13
4.9 Protective coating .......................................................................................... 13
4.10 Lubrication ..................................................................................................... 14
5 Packaging, transport and storage ............................................................. 15
5.1 Packaging ..................................................................................................... 15
5.2 Transport ....................................................................................................... 15
5.3 Storage .......................................................................................................... 16
6 Installation ................................................................................................... 17
6.1 Instructions for the installation of a Change-over Valve ................................ 17
6.2 Example of Change-over Valve installation in a system ............................... 20
6.14 Example of connection of Change-over Valve combinations ........................ 22
7 Start-up ........................................................................................................ 23
8 Operation ..................................................................................................... 24
8.1 Instructions for operation ............................................................................... 24
8.2 Switching Change-over Valve ....................................................................... 25
9 Maintenance ................................................................................................ 27
9.1 General information about maintenance ....................................................... 27
9.2 Checking Change-over Valve ........................................................................ 27
10 Technical data ............................................................................................. 27
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