BÜCHI Labortechnik AG
Cleaning and servicing | 7
Operation Manual Vacuum Pump V-100
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7.2.2
Dismantling and reassembling pump head
Removing pump top cover
Fig. 18: V-100 with pump top section opened up
1 Rubber surrounds
Precondition:
R
Pump has been shut down.
u
Unscrew the two knurled-head screws on the rear of the V-100 and remove the
pump top cover.
u
Remove the rubber surrounds (1) from the pump intake and pump outlet.
Removing pump-head connection piece
3
4
1
1
2
Fig. 19: Pump-head connection piece with union nuts between the two pump heads
1 Screw (elbow connection)
3 Pump-head connection piece
2 Elbow connection
4 GL14 cap nut
u
Unscrew two screws (1) from each of the two pump heads, and remove the elbow
connections (2) together with the pump-head connection piece (3) from the pump
heads.
u
Unscrew the GL14 cap nuts (3) from the elbow connections.
u
Pull the GL14 cap nuts off the pump-head connection piece (4).