Pfeiffer Vacuum PASCAL Series - Disassembling the Sniffer Pipe; Disassembling the Oil Sight Glass; Disassembling the Bubbler; Removing the Oil Case

EN – 9
ENMaintenance
1 4 4a
5
2 8
Remove the sight glass cover (3).
Remove the plate (1), the ring (4a), the
sight glass (4) and the O-ring (5).
Disassembling
the oil sight glass
(see page N – 2)
Removing
the oil case
(see page N – 2)
Disassembling the
bubbler (C2 pump)
(see page N – 20)
5
Remove the oil case (6) and its
O-ring (11) after removing the 4 fastening
screws (9).
Disconnect the nitrogen inlet.
Remove the nitrogen inlet and disconnect
the coupling (2) without unscrewing the
connector (6).
Disconnect the nut (16) which secures the
tube on the functional block and pull the
bubble (8) to release it from the frame.
Disassembling the
exhaust valve cover
(see page N – 6)
5
Remove the screws (4) (13) (15) and the
cover(s) (6) (17), the exhaust valves (2) (11)
and their springs (3) (12).
4 13
6 17
15
Disassembling the
sniffer pipe
(SDI model)
(see page N – 10)
5
Remove the screw (41) and its washer.
Insert a flat screwdriver near to the stator
connector, and use it as lever arm to
remove the sniffer pipe (38) from the stator.
Then, pull on the other end of the pipe to
remove it from the housing.
41
38