Operating and Maintenance Manual 09/2019 – part I
Screw compressors
4
8.3.9 Pressure switch ............................................................................................. 35
8.3.10Oil temperature gauge(where applicable) ...................................................... 36
8.3.11 Oil cooler / air cooler ..................................................................................... 36
8.3.12. Electric motor ............................................................................................... 36
8.3.13. Safety valve ................................................................................................. 37
8.3.14 Radial / axial fan ........................................................................................... 39
9. Troubleshooting ..................................................................................................... 41
10. Appendices ....................................................................................................... 44
10.1. Compressor with the heating system–guidelines concerning operation .................. 44
10.2. Compressor with additional water cooling ............................................................... 45
10.2.1. Water connection ......................................................................................... 45
10.2.2. Description of construction and operation of the screw compressors with
additional water cooling (complement to the description in section 5 ) ..................... 45
11. Condensate drains ............................................................................................ 46
Condensate drains in the compressors on the air receiver models .................................. 46
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