9.3 Warning messages (yellow LED lights) ............................................................................ 56
9.4 Other Faults ..................................................................................................................... 60
10 Maintenance
10.1 Safety ............................................................................................................................... 62
10.2 Maintenance schedule ..................................................................................................... 63
10.2.1 Logging maintenance work ................................................................................. 63
10.2.2 Resetting maintenance interval counters ............................................................ 63
10.2.3 Regular maintenance tasks ................................................................................ 63
10.2.4 Cooling oil changing interval ............................................................................... 64
10.2.5 Regular service tasks ......................................................................................... 65
10.3 Cleaning or Renewing the Cooling Air Filter Mat ............................................................. 65
10.4 Cleaning or Replacing the Control Cabinet Filter Mats .................................................... 66
10.5 Cooler Maintenance ......................................................................................................... 67
10.6 Water-cooling Maintenance ............................................................................................. 68
10.7 Maintain the heat recovery system .................................................................................. 69
10.7.1 External heat recovery system ........................................................................... 69
10.7.2 Internal heat recovery ......................................................................................... 69
10.8 Air Filter Maintenance ...................................................................................................... 69
10.9 Motor Maintenance .......................................................................................................... 70
10.10 Checking the Coupling ..................................................................................................... 71
10.11 Checking the Safety Relief Valve ..................................................................................... 72
10.12 Checking the Overheating Safety Shutdown Function ..................................................... 73
10.13 Checking the Cooling Oil Level ........................................................................................ 73
10.14 Venting the machine (depressurizing) .............................................................................. 74
10.15 Topping up the Cooling Oil ............................................................................................... 76
10.15.1 Venting the Machine (depressurizing) ................................................................ 76
10.15.2 Top up with cooling oil and test run .................................................................... 77
10.16 Changing the cooling oil ................................................................................................... 78
10.17 Changing the Oil Filter ..................................................................................................... 83
10.18 Changing the Oil Separator Cartridge .............................................................................. 84
10.19 Document maintenance and service work. ...................................................................... 87
11 Spares, Operating Materials, Service
11.1 Note the nameplate .......................................................................................................... 88
11.2 Ordering consumable parts and operating fluids/materials .............................................. 88
11.3 KAESER AIR SERVICE .................................................................................................. 88
11.4 Service Addresses ........................................................................................................... 89
11.5 Spare Parts for Service and Repair ................................................................................. 89
12 Decommissioning, Storage and Transport
12.1 Putting Out of Operation .................................................................................................. 94
12.2 Packing ............................................................................................................................ 94
12.3 Storage ............................................................................................................................. 94
12.4 Transporting ..................................................................................................................... 95
12.4.1 Safety .................................................................................................................. 95
12.4.2 Transporting with a forklift ................................................................................... 95
12.4.3 Transporting with a crane ................................................................................... 95
12.5 Disposal ........................................................................................................................... 96
13 Annex
13.1 Pipeline and instrument flow diagram (P+I diagram) ....................................................... 97
13.2 Pipe and Instrument Flow Diagram (P+I diagram): MODULATING control mode ........... 103
13.3 Dimensional Drawing ....................................................................................................... 109
13.4 Electrical Diagram ............................................................................................................ 113
Contents
9_5708 08 USE
Service Manual Screw Compressor
BSD
iii