Samson 44-4, Mounting And Operating Instructions

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Contents
EB 2723 EN 3
1 Safety instructions and measures ...................................................................5
1.1 Notes on possible severe personal injury .........................................................7
1.2 Notes on possible personal injury ................................................................... 8
1.3 Notes on possible property damage ................................................................ 9
2 Markings on the device ...............................................................................10
2.1 Regulator nameplate .................................................................................... 10
2.2 Material number .......................................................................................... 11
2.3 Warnings .................................................................................................... 11
3 Design and principle of operation ................................................................12
3.1 Technical data .............................................................................................14
4 Measures for preparation ............................................................................18
4.1 Unpacking .................................................................................................. 18
4.2 Transporting and lifting ................................................................................ 18
4.3 Storage ....................................................................................................... 18
4.4 Preparation for installation ............................................................................ 19
5 Mounting and start-up .................................................................................20
5.1 Mounting positions .......................................................................................20
5.2 Additional fittings .........................................................................................21
5.3 Start-up .......................................................................................................22
5.4 Gases and liquids ........................................................................................22
6 Operation ...................................................................................................22
6.1 Adjusting the set point ..................................................................................22
7 Servicing.....................................................................................................23
7.1 Cleaning and replacing the seat and plug ......................................................24
7.2 Exchanging the operating diaphragm ............................................................26
7.3 Replacing the set point springs ......................................................................28
7.4 Tightening torques and lubricant ...................................................................29
7.5 Preparation for return shipment .....................................................................30
7.6 Ordering spare parts and operating supplies .................................................30
8 Malfunctions ...............................................................................................30