Operation; Preliminary Procedures - Comet GXD Series Use And Maintenance Manual

• The pump is not suitable for use in certain situations such as in corrosive or explosive
atmospheres.
• Contact the Manufacturer's service centre before use on board vehicles, ships or airplanes, as
there may be additional instructions for use.
Any other use is considered improper.
The Manufacturer is not liable for any damage caused by improper or incorrect use.

4. OPERATION

4.1 PRELIMINARY PROCEDURES

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CAUTION
• The pump must not be put into operation if the machine in which it is incorporated does
not comply with the safety requirements defined by European Directives. This compliance
is guaranteed if the CE mark is present together with the Manufacturer's Declaration of
Conformity for the machine that incorporates the pump.
• Before starting to use the pump, read the instructions contained both in this manual and in the
manual for the machine that incorporates the pump carefully. It is important to be sure that you
have fully understood how both the pump and the machine that incorporates the pump work
concerning the interception of the liquids.
• Complete the preliminary procedures recommended by the Manufacturer of the machine that
incorporates the pump.
• Make sure all the delivery outlets are closed or connected to closed applications (for example: a
cleaner gun);
• Make sure that the pump's moving parts are adequately protected and that they are not accessible
to unauthorised personnel.
• Do not use the pump if:
− it has been bumped
− there are obvious leaks of oil.
− there are obvious leaks of water.
In these circumstances, the pump should be tested by a Skilled Technician.
• Make sure the special maintenance checks are carried out by a Skilled Technician.
• If the identification label deteriorates during use, contact your dealer or an authorised service
centre so it can be replaced.
WARNING
• If the pump is being used at very low temperatures, make sure no ice has formed inside it.
• Complete the controls required for routine maintenance.
• Follow the instructions in the operating and maintenance manual for the machine that
incorporates the pump in order to check the intake filter is clean.
4.1.1 HYDRAULIC CONNECTIONS
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CAUTION
• Follow current regulations for connection to the mains water supply in the country where the
pump is installed
Refer to the table in the technical specifications for the hydraulic connections.
WARNING
• The pump must always be supplied by a pipe under pressure and the pressure of the water supply
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