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TwinControl
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TwinControl
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B_02744
OPERATING MANUAL
EDITION 04/2010
PART NO. DOC393831
6.4
PRELIMINARY WASHING AND PRESSURE TIGHTNESS TEST
WARNING
Incompatibility of cleaning agent and working medium!
Risk of explosion and danger of poisoning by toxic gasses
Check the compatibility of cleaning agent and working medium
in accordance with safety data sheets.
SIHI_0060_GB
The units are tested in the factory with emulsifying oil, pure oil or solvent.
Possible residues must be fl ushed out of the circuits with a solvent (cleaning agent) before
commissioning.
Always carry out precleaning and the pressurisation test:
- before putting the new system into operation for the fi rst time
- before using the system again after prolonged storage
- before servicing the system.
Please note:
- Do not insert the nozzle into the gun yet. Gun secured.
- Keep the pump pressure as low as possible during fl ushing.
- Operating instructions for the individual components must be known.
Procedure:
1. Connect compressed air supply.
2. Connect cleaning agent to all 3 pumps. Provide and earth an empty container.
3. Set a low pressure (approx. 0.5 MPa; 5 bar; 73 psi) on the pressure controllers for the 3
pumps.
4. First of all, vent and clean the fl ushing pump with the cleaning agent via the return ball
valve.
5. Select
fl ushing valves AS and BS with the control with component „AS“ or „BS“. Press
„Start“, open. Close return ball valve of the fl ushing pump and release the gun, point
into the earthed empty bucket and trigger. When clean solvent emerges, close the gun
and secure.
6. Gradually increase pressure in the fl ushing pump with the pressure controller until
maximum pressure is reached. Maintain the pressure for 3 minutes and check all
connection points for leaks.
