DGBFE2109702-09.2013-DGbF7| MaintenanceType F2 F3 F4 F5 F14/1166F14/1366F16/1751F16/2051Designation Ref. No.Set gaskets 08069 08070 08071 08072 08492 08493Shaft seal 08001 08001 08008 08008 08444 08012Valve plate set 08314 08198 08198 08436 08498 08498Oil pump 08043 08043 08044 08044 08795 08795Oil sump heater 08423 08424 08425 08425 08426 08426Only use original Bock spare parts!7.3 Spare parts recommendation7.2 Work to be carried outTo guarantee optimum operating safety and service life of the compressor, we recommend perfor-ming service and checking work at regular intervals of time:Oil change:- In series plants produced in the factory not mandatory.- In field installations or operating in the application limit range, first oil change after approx.100 - 200 operating hours, then approx. every 3 years or 10,000 - 12,000 operating hours.- for NH3 plants: oil change every year or every 5.000 operating hours.Dispose of old oil according to the regulations, observe national regulations.Annual checks: Oil level, tightness, running noise, pressures, temperatures, function of auxiliarydevices such as a oil sump heater, pressure switch. Comply with the national regulations!7.1 PreparationWARNING! 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.