Table Of Contents - Gardner Denver L Series Service Manual

1 Warning -Prohibition - Mandatory Label Information ............................................................................................. 3
2 Preface ..................................................................................................................................................................... 6
2.1 Compressor Information .............................................................................................................................................. 7
2.2 Intended Use ................................................................................................................................................................ 7
2.3 Maintenance and Care ................................................................................................................................................ 7
2.4 Notes ............................................................................................................................................................................ 7
3 Table of contents ..................................................................................................................................................... 9
4 Safety regulations ................................................................................................................................................. 11
4.1 General safety regulations ........................................................................................................................................ 11
4.2 Particular dangers associated with compressed air ................................................................................................. 12
4.3 Particular dangers associated with machines .......................................................................................................... 14
4.4 Dangers present when loading/moving machines ................................................................................................... 15
4.5 General workplace dangers ...................................................................................................................................... 16
4.6 Dangers resulting from neglecting to perform maintenance .................................................................................... 16
4.7 Dangers during maintenance and repairs ................................................................................................................ 17
4.8 Dangers resulting from conversion work/modifications on the machine ................................................................. 19
5 Design and functioning ......................................................................................................................................... 20
5.1 Design of the unit ....................................................................................................................................................... 20
5.2 System Schematic ..................................................................................................................................................... 22
5.3 Oil circuit ..................................................................................................................................................................... 23
5.4 Air circuit ..................................................................................................................................................................... 23
5.5 System control ........................................................................................................................................................... 23
5.5.1 Manner of operation of the suction regulator ................................................................................................. 23
6 Transport and installation ..................................................................................................................................... 26
6.1 Transport .................................................................................................................................................................... 26
6.2 Installation .................................................................................................................................................................. 27
7 Preparations for commissioning .......................................................................................................................... 28
7.1 Cooling air volume/minimum cross ........................................................................................................................... 28
7.2 Compressed-air connection ...................................................................................................................................... 29
Water connection for water-cooled units....................................................................................................30
7.3
7.4 Electrical connection (USA/CANADA Version only) ................................................................................................. 31
7.4.1 Check setting of the fan protection switch (only for L55RS-L75RS) ............................................................. 32
7.5 Checking the Oil Level ............................................................................................................................................... 33
8 Commissioning ..................................................................................................................................................... 34
8.1 First commissioning ................................................................................................................................................... 34
8.2 Putting a decommissioned compressor back into operation ................................................................................... 36
8.3 Display of the compressor controller ........................................................................................................................ 36
8.4 Routine commissioning ............................................................................................................................................. 36
8.5 Commissioning after malfunction .............................................................................................................................. 37
8.6 Shutoff ........................................................................................................................................................................ 37
8.7 Emergency stop ......................................................................................................................................................... 37
9 Storage of compressors ........................................................................................................................................ 38
9.1 Decommissioning ...................................................................................................................................................... 38
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