Solvent Push - Graco ProMix PD2K Operation

When the Solvent Push feature has been enabled
on System Screen 4, a new configuration screen
becomes visible for setting the solvent push dispense
volume.
Figure 42 Solvent Push Configuration Screen

Solvent Push

Push Volume Volume
Solvent Solvent Push Volume
The displayed volume shows the total amount of
solvent to be dispensed during the solvent push
sequence. This volume includes, at minimum, the
total fluid stream volume from the inlet color stack to
the mix manifold. Additionally, if set to greater than
0%, this volume includes a percentage of the mix
hose volume.
3A4486D
Mix Volume Mix Mix Volume Percent Volume Percent Percent
Solvent may be pushed past the mix manifold and
into the mix hose, if needed. To prevent atomizing
solvent, it may only be dispensed to a percent of the
mix hose volume. The default value is 0%, which will
not dispense solvent beyond the mix manifold. The
mix hose volume is set by the Gun Hose Length and
Gun Hose Diameter (see
If using an electrostatic gun, to reduce the risk
of fire and explosion, confirm the mix hose
parameters are accurately represented in the
settings.
The solvent push sequence is initiated using a soft
key on the Spray Screen (see
or a PLC command (see
10: System Mode Command, page
Timing is critical to avoid having the solvent push
sequence end before the last part has been finished.
The mix unit will go into Standby and must complete
a recipe change before it can mix again.
Setup Mode Screens
System Screen 3, page
Spray Screen, page
INPUT REGISTER 00 and
35).
70).
64)
73