Manual

Operation 3-11
Adjusting Air Pressures
During dispensing operations, you can adjust valve and/or fluid air pressures to improve
dispensing performances.
Set the Main Air In (if your Century Series System has this regulator) to a
value that is 69 kPa (10 psi) higher than the highest pressure you will use
during dispensing operations.
To adjust the air pressure for valve and fluid pressure:
1. Make certain the dispensing system is ON.
SYSTEM STATUS
should be yellow or green (see Table 3-4, Table 3-5 and
Figure 3-3).
2. Open the front doors or reach through the Light Curtain of the dispensing system.

A green
SYSTEM STATUS
will change to yellow (if the
Safety Interlock
is
on
).
3. Reach up underneath the Control Panel on the right side to find the black control
knob for the Valve Pressure Regulator and on the left side for the black control
knob for the Fluid Pressure Regulator. Pull down on the knob to unlock it for
adjustments.
4. Turn each knob separately as follows, while watching the gauge:
To increase pressure, rotate the knob clockwise until the gauge reads the
desired pressure.
To decrease pressure, turn the knob counter-clockwise to a setting that is
below the desired pressure, then turn the knob clockwise to the desired
pressure setting. This has the effect of increasing to the desired pressure,
eliminating the possibility of a false reading.