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STP-200/300/400 Series Instruction Manual

13 Storage

13.1 The STP Pump

When the STP pump is left unused over the specified period (more than a few

months), follow the precautions below:

1) Close the inlet port of the STP pump and vacuum it using a backing pump.

2) Introduce dry N

gas or dry air from the outlet port or the purge port.

3) Close the outlet port and purge port.

4) If the STP pump is water cooled, introduce compressed air from one side of

the cooling water port so that no water remains in the STP pump.

5) Store the STP pump in a vertical position.

6) DO NOT store the STP pump in the following places:

• Place of high humidity.

(If it must be stored in a place of high humidity, insulate it from the

outside and use a dehumidifying agent.)

• Place of high temperatures (more than + 55 °C) and low temperatures

(less than - 25 °C).

• Place where there are corrosive gases.

• Place subjected to dripping water.

• Place with a lot of dust.

• Place with insufficient ventilation.

• Place subjected to strong magnetic or electric fields.

• Place subjected to radiation.

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Sharp R-880D Bedienerhandbuch Seite 105