Edwards 9773512584, Instruction Manual

Page: 68 / 180

To stop the high flow purge process while it is running, enter the DP clean menu again
using the PDT and select 'DP Clean off'.
The DP clean procedure can be configured to suit the user's application. Refer to
How to
set up the DP clean on page 141.
4.10.2 Solvent flush
WARNING:
Use of suitable protective gloves and eye protection is recommended when carrying
out the solvent flush procedure. Personal protective equipment should be checked
and used as specified by its supplier. Refer to the Loctite® 7840 or Loctite® Natural
Blue® MSDS for more information.
WARNING:
Take care when handling solvents and water. Any overflows or spills should be
cleaned to avoid risk of slips.
WARNING:
Hot steam and liquid will exit the pump during the solvent flush procedure. Ensure
that the exhaust is piped away safely and solvents are disposed of in accordance with
local and national safety and environmental requirements.
Use the following procedure to perform the solvent flush procedure:
1. Set up the dry pumping system ready for the solvent flush procedure as described
in DP clean high flow purge/solvent flush option on page 27 and take note of the
safety warnings regarding the process compatibility.
2. Fit the solvent suction pipe supplied. For pump and booster combination systems,
the solvent flush fluid connection is on the rear panel. Refer to Figure: The
controls/connectors on the rear of the pump (system with rear exhaust and
castors/levelling feet fitted) , item 11.
For pump-only systems, refer to Figure: DP clean assembly for the pump only
systems , item 2.
3. Make 5 litres of the solvent solution using 1 litre of Loctite
®
7840 or Loctite
®
Natural Blue
®
with 4 litres of water. Keep this ready in a suitable container.
4. Measure out another 2.5 litres of water into a separate container.
5. Put the pump into green mode/standby mode. Refer to Green mode/standby mode
on page 57.
6. Put the free end of the solvent suction pipe right down to the bottom of the
container holding the 5 litres of solvent solution.
7. Using the PDT, press the Setup button to enter the setup menu and then select the
Command menu. An access code is needed to enter the Command menu. Enter
202 when prompted.
8. Scroll down to the DP Clean menu and then press ENTER to select.
9. Select 'DP Clean On' to start the solvent flush procedure. The solvent solution will
then gradually gets drawn into the pump.
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M58800880_H - Operation