Buchi V-100 - Maintenance: Pump Head Servicing; Pump Head Dismantling and Reassembly

BÜCHI Labortechnik AG Cleaning and servicing | 7
Operation Manual Vacuum Pump V-100 35/52
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).