KAESER AIRTOWER 3C, Operator'S Manual, Page: 5 / 124

10 Maintenance
10.1 Ensuring safety ................................................................................................................ 56
10.2 Following the maintenance plan ....................................................................................... 57
10.2.1 Logging maintenance work ................................................................................. 57
10.2.2 Resetting maintenance interval counters ............................................................ 57
10.2.3 Regular maintenance tasks ................................................................................ 57
10.2.4 Cooling oil changing interval ............................................................................... 58
10.2.5 Regular service tasks ......................................................................................... 59
10.3 Clean or replace the filter mat .......................................................................................... 59
10.4 Cooler maintenance ......................................................................................................... 60
10.5 Air Filter Maintenance ...................................................................................................... 61
10.6 Compressor motor maintenance ...................................................................................... 62
10.7 Maintaining the drive belt ................................................................................................. 62
10.8 Checking the cooling oil level ........................................................................................... 63
10.9 Venting the machine (depressurizing) .............................................................................. 64
10.10 Replenishing cooling oil ................................................................................................... 66
10.10.1 Venting the machine (depressurizing) ................................................................ 67
10.10.2 Topping off with cooling oil and carrying out a trial run ...................................... 68
10.11 Changing the cooling oil ................................................................................................... 68
10.12 Changing the oil filter ....................................................................................................... 71
10.13 Changing the oil separator cartridge ................................................................................ 72
10.14 Checking the safety relief valve activating pressure ........................................................ 74
10.14.1 Checking the compressor safety relief valve ...................................................... 74
10.14.2 Checking the air receiver relief valve .................................................................. 75
10.14.3 Performing the test ............................................................................................. 75
10.14.4 Returning the machine to operational ................................................................. 76
10.15 Check the safety shut-down due to excessive airend discharge temperature. ................ 76
10.16 Testing the EMERGENCY STOP push button ................................................................. 76
10.17 Maintaining the refrigerated dryer .................................................................................... 77
10.17.1 Cleaning the refrigerant condenser .................................................................... 77
10.17.2 Maintaining the condensate drain ....................................................................... 78
10.18 Air receiver maintenance ................................................................................................. 80
10.19 Documenting maintenance and service work .................................................................. 82
11 Spares, Operating Materials, Service
11.1 Note the nameplate .......................................................................................................... 83
11.2 Ordering consumable parts and operating fluids/materials .............................................. 83
11.3 KAESER AIR SERVICE .................................................................................................. 83
11.4 Service Addresses ........................................................................................................... 84
11.5 Replacement parts for service and repair ........................................................................ 84
12 Decommissioning, Storage and Transport
12.1 Decommissioning ............................................................................................................. 87
12.2 Packing ............................................................................................................................ 87
12.3 Storage ............................................................................................................................. 87
12.4 Transport .......................................................................................................................... 88
12.4.1 Safety .................................................................................................................. 88
12.4.2 Transport with a forklift truck ............................................................................... 88
12.4.3 Transport with a crane ........................................................................................ 88
12.5 Disposal ........................................................................................................................... 89
13 Annex
13.1 Pipeline and instrument flow diagram (P+I diagram) ....................................................... 91
13.2 Dimensional Drawing ....................................................................................................... 97
13.3 Electrical Diagram ............................................................................................................ 99
Contents
9_6917 34 USE
Operator Manual Screw Compressor
AIRTOWER 3C–7.5C Tri-Voltage
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