Table Of Contents; Contents - Gardner Denver L23 Original Operating And Service Manual

Screw compressor

Table of Contents

3 Contents

Contents

1 Warning -Prohibition - Mandatory Label Information.................................................................................................... 2

2 Preface .................................................................................................................................................................................. 5

2.1 Compressor Information............................................................................................................................................... 6

2.2 Intended Use ................................................................................................................................................................ 6

2.3 Maintenance and Care................................................................................................................................................. 6

2.4 Notes ............................................................................................................................................................................. 6

3 Contents ............................................................................................................................................................................... 8

4 Safety Regulations............................................................................................................................................................ 10

4.1 General safety regulations ......................................................................................................................................... 10

4.2 Particular dangers associated with compressed air ................................................................................................. 11

4.3 Particular dangers associated with machines........................................................................................................... 13

4.4 Particular dangers associated with water-cooled units ............................................................................................ 14

4.5 Dangers present when loading/moving machines.................................................................................................... 14

4.6 General workplace dangers ....................................................................................................................................... 15

4.7 Dangers resulting from neglecting to perform maintenance .................................................................................... 16

4.8 Dangers during maintenance and repairs ................................................................................................................. 16

4.9 Dangers resulting from conversion work/modifications on the machine ................................................................. 18

5 Assembly and Operation ................................................................................................................................................. 19

5.1 Assembling the System.............................................................................................................................................. 19

5.2 System Schematic...................................................................................................................................................... 20

5.3 Oil Circuit..................................................................................................................................................................... 21

5.4 Air Circuit..................................................................................................................................................................... 21

5.5 Regulation................................................................................................................................................................... 21

5.5.1 Regulator L23-L29 .......................................................................................................................................... 21

5.5.2 Regulator L23RS-L29RS................................................................................................................................ 22

6 Transportation and Installation....................................................................................................................................... 24

6.1 Transportation............................................................................................................................................................. 24

6.2 Installation................................................................................................................................................................... 25

7 Preparation for Commissioning...................................................................................................................................... 26

7.1 Cooling Air Volume/Minimum Channel Diameter ..................................................................................................... 26

7.2 Compressed air connection ....................................................................................................................................... 27

7.3 Electrical connection (only USA/CANADA version).................................................................................................. 28

7.3.1 Check the motor protective relay (only for L23RS-L29RS) ......................................................................... 29

7.3.2 Check the control transformer setting............................................................................................................ 29

7.4 Checking the Oil Level ............................................................................................................................................... 30

7.5 Noise Level ................................................................................................................................................................. 30

8 Commissioning.................................................................................................................................................................. 31

8.1 First commissioning.................................................................................................................................................... 31

8.2 Putting a decommissioned compressor back into operation.................................................................................... 33

8.3 Routine commissioning .............................................................................................................................................. 33

8.4 Commissioning after a fault ....................................................................................................................................... 33

8.5 Shutoff......................................................................................................................................................................... 33

8.6 Emergency stop.......................................................................................................................................................... 33