GEA Bock HG12e CO2 - Manual (Page 22)

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7| Maintenance
HGX12e / ... 20-4 S CO
2
30-4 S CO
2
40-4 S CO
2
50-4 S CO
2
60-4 S CO
2
75-4 S CO
2
Designation Item No. Item No. Item No. Item No. Item No. Item No.
Set of gaskets 80372
Valve plate kit 80721 80708 80369
Set piston/
connecting rod
81065 81070 81067 81070 81071 81072
Set connecting rod 81033 80724 81033 80724
Only use genuine GEA Bock spare parts!
7.3 Recommended spare parts
7.2 Work to be carried out
7.1 Preparation
In order to guarantee optimum operational reliability and service life of the compressor, we recommend
carrying out servicing and inspection work at regular intervals:
Oil change:
- not mandatory for factory-produced series systems.
- for field installations or when operating near the application limit: for the first time after 100
to 200 operating hours, then approx. every 3 years or 10,000 - 12,000 operating hours.
Dispose of used oil according to the regulations; observe national regulations.
Annual checks: Oil level, leak tightness, running noises, pressures, temperatures, function of
auxiliary devices such as oil sump heater, pressure switch.
WARNING Before starting any work on the compressor:
Switch off the compressor and secure it to prevent a restart.
Relieve compressor of system pressure.
Prevent air from infiltrating the system!
After maintenance has been performed:
Connect safety switch.
Evacuate compressor.
Release switch lock.
7.5 Extract from the lubricants table
For operation with CO
2
the GEA Bock oil C 85 E is necessary!
Available accessories can be found on the Internet at www.gea.com
7.4 Accessories