50 18.01._5280107_02
NRL 0280-0750 °-L / A-E
EN
- Connect the necessary instruments,
• Pressure gauges connected through appropriate extensions to the
compressor inlet and outlet pressure plugs;
to the compressor inlet and outlet pipes. Avoid using metratast that
require the operator to near the machine cooling circuit;
- Access the machines
from the under pressure parts of the cooling circuit;
the instruments and close the cooling circuit compartment.
The high/low pressure switch, where present must be tested with the ma-
control panel.
In case of machines with the cooling circuit compartment not closed by
framework, the high/low pressure switch must be tested by standing in
front of the machine panel where the control panel is located, remaining
distant and not exposed to the under pressure parts of the cooling circuit.
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