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| groups:mg:experiment:vacuum [2018/11/01 10:25] – [Oil change of the pre-vacuum pump] fim | groups:mg:experiment:vacuum [2018/11/01 10:25] (current) – [Oil change of the pre-vacuum pump] fim | ||
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| ====== Oil change of the pre-vacuum pump ====== | ====== Oil change of the pre-vacuum pump ====== | ||
| - | The oil has to be changed every third year approximately. | + | The oil has to be changed |
| - First, close the big yellow vent at the source chamber. Second, close the pneumatik vents via the knob at the orange power outlet (close to the door) and check if both are really closed. | - First, close the big yellow vent at the source chamber. Second, close the pneumatik vents via the knob at the orange power outlet (close to the door) and check if both are really closed. | ||