GEA Bock HG12Р - Manual (Page 20)

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7.1 Preparation
7.2 Work to be carried out
7| Maintenance
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.
6.8 Connection of oil level regulator
The connection "O" is provided for installing an oil level regulator. A corresponding adapter must be
obtained from the trade.
6| Commissioning
Only use genuine GEA Bock spare parts!
7.3 Spare parts recommendation
HG12P / ... 60-4 S 75-4 (S) 90-4 (S) 110-4 (S)
Designation Ref. No. Ref. No. Ref. No. Ref. No.
Set of gaskets 80339
Valve plate kit 80352 80353
Oil pump kit 08324