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Niro Soavi S.p.A
3.4.2
HOMOGENIZING PRESSURE ADJUSTMENT - 2 STAGES
To adjust the pressure, follow the same steps as for the single-stage machine.
In order to adjust the pressure, please read carefully what is written in
paragraph 3.4.1, and in specific all warnings.
The pressure to be applied by the second stage varies from about 1/10 to 1/5 of
the maximum homogenizing pressure, according to the product handled.
WARNING: The intended homogenizing pressure value must be set FIRST
on the second stage, THEN on the first stage to reach the total desired
pressure.
A different operating sequence may result in SERIOUS RISK because the
machine may inadvertently and suddenly reach higher pressure values
than those for which the machine is designed..
Adjustment operations consist of (see figure 3.4.1):
•
make sure the pneumatic regulator is completely backed off counterclockwise
•
set the 2nd stage pneumatic switch (A) to ON position;
•
rotate the 2nd stage reducer knob (B) until the desired homogenizing
pressure is obtained, by reading the reached value on the pressure gauge.
•
set the 1st stage pneumatic switch (C) to ON position;
•
rotate the 1st stage reducer knob (D) until the desired homogenizing
pressure is obtained, by reading the reached value on the pressure gauge.
WARNING: To allow a slow, gradual pressure increase, the pneumatic
adjustment system has been designed to ensure a certain inertia.
Operate the pressure regulator slowly while checking the actual
homogenizing pressure increase until the operating value has been
reached.
ATTENTION: check the air pressure increase on the pneumatic adjuster
using the air pressure gauge located on the control panel; this allows a
slow rise of the pressure. It is also possible to use this air gauge as a
reference for the homogenizing pressure in case the main gauge on the
compression block is not working properly as a temporary solution to be
able to work with the machine.
Once the homogenizing pressure has been set to the desired value, block the
reducer knob (B and D) by pressing it.
If the set pressure is the one used normally during production, the
homogenizing pressure can be applied or released by operating ONLY the
pneumatic selector (A and C), with the reducer left on the adjustment position.
3C001E0C.DOC 3.4.3
Summary of Contents for ARIETE
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