GEA Bock HG7 - Manual (Page 26)

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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 lock.
Only use genuine GEA Bock spare parts!
7.3 Spare part recommendation
HG7 / ... 1620-4 (S) 1860-4 (S) 2110-4 (S)
Designation Item No. Item No. Item No.
Set of gaskets 80094
Valve plate kit 08498
Set piston/connecting rod 08995 08996 80112
Set connecting rod 08306
Oil pump set 80116
Oil sump heater set 230 V ~ 08426
Available accessories can be found on the Internet at www.gea.com
7.4 Accessories