Hydraulic Connections - Comet BPS TANDEM Instrucciones Para El Ensamblaje Y El Mantenimiento

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• Do not use the pump (and therefore the machine in which it is integrated) in the event of:

- the safety devices being damaged;

- its having suffered heavy knocks;

- evident oil leaks;

- evident leaks of pumped liquid.

In such cases, have the pump and the machine in which it is integrated checked by a Skilled Technician.

• Have a Skilled Technician perform the inspections required by special maintenance.

• Wear clothing and personal protective equipment able to provide adequate protection from any high-

pressure jets and chemical products used.

CAUTION

• In case of operation at very low temperatures, make sure there is no ice inside the pump and pipes.

• Perform the checks required by routine maintenance, with special reference to those relating to

the oil.

Carry out the preliminary activities indicated in the manual of the machine in which the pump

is integrated; unless otherwise indicated, with respect to the pump, always remember the

following:

a) Replace the oil cap without vent with oil cap with vent and dip-stick; this operation may already

have been performed by the Manufacturer of the machine in which the pump is integrated (only

for positive displacement piston pumps).

b) Check the oil level when the pump is stopped and completely cooled down.

To make any top-ups, refer to the lubricant shown in the specific manual of the series (→MS).

WARNING

• For some pump models, a Skilled Technician will have to be called in to top up the oil; because there is

no volumetric compensator, make reference to the indications in the specific manual of the series (→MS).

c) Check that the inflation of the pressure accumulator, if present, is correct using a common compressed

air gun with a pressure gauge, i.e. the type used to check the pressure of motor vehicle tyres. Inflation

depends on the range of pressure that the pump must operate in, according to the following table:

d) Refer to the operation and maintenance manual of the machine in which the pump is integrated

and make sure:

- the suction filter is clean;

- the suction and delivery circuits are in good conditions;

- the pump has primed correctly.

WARNING

• Also follow the instructions contained in the manual of the machine in which the pump is

integrated.

• Follow the water mains connection instructions applicable in the country where the machine in which

the pump is integrated is installed.

PUMP OPERATING

PRESSURE

bar

psi

2-5

29-73

5-10

73-145

10-20

145-290

20-50

290-725