Sharp R-880D Manual de Instruções descarregar pdf (Página 77)

STP-200/300/400 Series Instruction Manual

7 Baking, Cooling and Gas Suction of the STP Pump

7.1 Baking the STP Pump

To attain a lower pressure in a shorter time and reduce the exhaust time, bake

the vacuum equipment and STP pump.

◇ The surfaces of the STP pump and its peripheral equipment will

become extremely hot when performing baking. NEVER touch them

with bare hands.

◇ When baking the STP pump, always cool it to prevent overheating

(For the cooling method, see Section 7.2, "Cooling the STP Pump").

◇ Start baking after cooling is started.

Set the temperature of the baking heater to 120°C or less

(An optional baking heater is set to 110°C or less).

◇ DO NOT pump gases during baking to prevent overheating.

◇ To exhaust the gas discharged from the vacuum equipment and the

inner wall of the STP pump, run the STP pump during baking.

7-1

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Sharp R-880D Manual de Instruções Página 77