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groups:mg:experiment:vacuum [2018/11/01 10:24] – Oil change prevacuum fimgroups: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 **every third year** approximately. 
  
-* 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.  
-* CLose the black vent of the pump which is placed close to the on/off switch.  +  -  CLose the black vent of the pump which is placed close to the on/off switch.  
-* Open the drain screw (No. 8 in manul) labed as "Ablaßschraube"  in order to let the oil out. Than close the screw, let the pump run for 10 sec and open it again in order to let out the remainings. You can refill the oil **Pfeiffer Oil P3** when opening the screw no. 6 until you reach a max level at the inspection window.  +  -  Open the drain screw (No. 8 in manul) labed as "Ablaßschraube"  in order to let the oil out. Than close the screw, let the pump run for 10 sec and open it again in order to let out the remainings. You can refill the oil **Pfeiffer Oil P3** when opening the screw no. 6 until you reach a max level at the inspection window.  
-* Open the vents once the preassure at the pump is the same as at the source chamber.+  -  Open the vents once the preassure at the pump is the same as at the source chamber.
  
-*Manual: {{ :groups:mg:experiment:pk115bn_part1.pdf |}}+Manual: {{ :groups:mg:experiment:pk115bn_part1.pdf |}}
  
 Last changes: nov 2018 Last changes: nov 2018