Buchi V-600 - Page 51

BÜCHI Labortechnik AG Cleaning and servicing | 7
Operation Manual Vacuum Pump V-600 51/65
Replacing connecting tube to pump intake or pump outlet
3
2
1
4
4
1
5
2
Fig.32: Connecting tubes to the V-600 pump heads
1 GL14 union nut 4 Fixing screws for elbow connector
2 Connecting tube 5 Union nut on the elbow connector
3 Union nut on T-piece
Tools required:
 Torx key Tx10
u Remove the casing front, see Chapter7.2.2 "Dismantling and reassembling pump
head", page43.
u Unscrew the fixing screws (4) from the elbow connectors on the pump heads.
u Unscrew and pull back the GL14 union nut (1) on the connection for the pump in-
take or pump outlet.
u Remove the connecting component together with elbow connectors.
u Unscrew and pull back the GL14 union nut on the elbow connector (5) or T-piece
(3).
u Pull the end of the tube out of the elbow connector/T-piece.
u Pull the GL14 union nuts off the connecting tube and dispose of the old connecting
tube.
u Loosely fit two new union nuts with tube seals on the connector and on the con-
nection for the pump intake or pump outlet, see Chapter7.2.8 "Fitting GL14 union
nut with tube seal", page55. NOTICE!If incorrectly fitted, the tube seals may
be damaged.
u Insert one end of the connecting tube (see illustration) into the elbow connector/T-
piece, taking care not to damage the tube seal when doing so.