OnlyusegenuineBockspareparts!
8.3 Spare part recommendation
8.1 Preparation
8| Maintenance
WARNING! Beforestartinganyworkonthecompressor:
Switch off the compressor and secure it to prevent a restart.
Relieve compressor of system pressure.
Preventairfrominltratingthesystem!
After maintenance has been performed:
Connect safety switch.
Evacuate compressor.
Releaseswitch-onlock.
8.2 Worktobecarriedout
Inordertoguaranteeoptimumoperationalreliabilityandservicelifeofthecompressor,we recommend
carryingoutservicingandinspectionworkatregularintervals:
Oil change:
- notmandatoryforfactory-producedseriessystems.
- foreldinstallationsorwhenoperatingneartheapplicationlimit:forthersttimeafter100
to200 operating hours,thenapprox.every 3 years or 10,000 - 12,000 operating hours.
Disposeofusedoilaccordingtotheregulations;observenationalregulations.
Annual checks: Oil level, leak tightness, running noises, pressures, temperatures, function of
auxiliarydevicessuchasoilsumpheater,pressureswitch.
HGZ7 / ...
1620-4 1860-4 2110-4
Designation
Ref. No. Ref. No. Ref. No.
Setofgaskets 80197
Setofvalveplatekit
lowpressuresideLP
80193
Setofvalveplatekit
highpressuresideHP
80194
Setoilpumpkit 80116
Set
oilsumpheater
08426