Close the line.
2.2.2.2.
to do this.
Do not let a vacuum occur.
2.2.2.3.
than the full level of the tank.
Flush the chemical tube with water.
2.2.2.4.
pump and the machine can flow in the machine, flush the tube with water after the pump stops.
Put the chemical tube fully below the machine inlet.
2.2.2.5.
there is no pressure in the chemical tube or tank when the system is off.
configuration.
Figure 4: A Configuration that Prevents Flow in the Machine When the Pump is Off (if the chemical
tube and tank have no pressure)
.
Prevent leaks.
2.2.2.6.
• Use the correct components.
• Make sure that all connections are the correct fit.
• Make sure that all connections are tight.
—If the pump does not always close the line when it is off, use a shutoff valve
—Supply a vacuum breaker in the chemical line that is higher
Schematic View
—When you do maintenance on the chemical pump system:
— End of BIWUUI06 —
19
—If the liquid that stays in the tube between the
—It is also necessary that
I.
L.
P.
T.
PELLERIN MILNOR CORPORATION
Chapter 2. Safety
Figure 4
shows this
Legend
Chemical inlet on the
machine
Chemical tube
Pump
Chemical tank