GEA Bock HG12Р CO2 - Manual (Page 22)

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7| Maintenance
7.5 Extract from the lubricants table
Only use genuine GEA Bock spare parts!
7.3 Spare parts recommendation
For operation with CO
2
the oil GEA Bock C 85 E is necessary!
7.1 Preparation
7.2 Work to be carried out
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-on lock.
Available accessories can be found on the Internet at www.gea.com
7.4 Accessories
HGX12P / ... 30-4 CO
2
40-4 CO
2
50-4 CO
2
60-4 CO
2
75-4 CO
2
Designation Item No. Item No. Item No. Item No. Item No.
Set of gaskets 80372
Valve plate kit 80721 80369
Set piston/
connecting rod
80723 80585 80586 80370 80371
Set connecting rod 80724 80601 80368 80424