HyHydrdrauaulliic sc sysystetem / Rm / Reepapaiir ir innststrruuctctiioonns / Hs / Hydydrraauullic ic sysysstetemm 88.1.155
ConnectionsConnections
Couplings should be fitted according to Couplings should be fitted according to the tightening torque specified in the tightening torque specified in section 1. Wsection 1. Wee
recommend couplings with elastic seals. Such recommend couplings with elastic seals. Such couplings are necessary for control valves.couplings are necessary for control valves.
Ring couplings do not seal at Ring couplings do not seal at the low torque generally applicable for the low torque generally applicable for proportional valves.proportional valves.
Connect pipes and hoses in accordance with the Connect pipes and hoses in accordance with the hydraulic diagram. Pay attention to thehydraulic diagram. Pay attention to the
connection designations. Do not use force; and connection designations. Do not use force; and avoid building-in tensions in pipes, etc,avoid building-in tensions in pipes, etc,
Start upStart up
Check that everything is connected in accordance with Check that everything is connected in accordance with the hydraulic diagram. Set thethe hydraulic diagram. Set the
pressure limiting valves down to a very low pressure if they are pressure limiting valves down to a very low pressure if they are not sealed. Start up withnot sealed. Start up with
low pressure and volume flows.low pressure and volume flows.
TTest the function and tiest the function and tightness of the system. Clean ghtness of the system. Clean the system by allowing the oil the system by allowing the oil to passto pass
over the filter for a over the filter for a while, without loading the system (replace the filter insert at thewhile, without loading the system (replace the filter insert at the
recommended intervals). Check the oil level. recommended intervals). Check the oil level. Set the pressure and volume flows Set the pressure and volume flows slowlyslowly
to the to the values they should values they should have. Check the connected measuring equipment rhave. Check the connected measuring equipment regularlyegularly,,
where appropriate. Pay attention to where appropriate. Pay attention to the noise lthe noise level; abnormal noise indicates defects. Testevel; abnormal noise indicates defects. Test
during variable loads that components are correctly fitted, and that the system is tight.during variable loads that components are correctly fitted, and that the system is tight.
In the event of the rIn the event of the return of equipment to the manufacturer, protect polished surfaceturn of equipment to the manufacturer, protect polished surfaceses
from damage and dirt from damage and dirt by covering them with by covering them with foil and protective paper. Fit plastic plugsfoil and protective paper. Fit plastic plugs
in all connections. Send the in all connections. Send the complete component, not loose parts.complete component, not loose parts.
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