5 | Installation BÜCHI Labortechnik AG
26/52 Operation Manual Vacuum Pump V-100
5.7 Connecting a secondary cooling cold trap
Fig.13: Cold trap for V-100
1 Cover 5 Secondary cooling cold trap outlet
2 Secondary cooling cold trap 6 Ball joint clamp
3 Secondary cooling cold trap inlet with
connecting tubing
7 Receiving flask
4 Holder for secondary cooling cold
trap
Connecting a secondary cooling cold trap upstream of the pump outlet reduces the
amount of residual vapor released into the atmosphere.
Fitting to pump outlet
Tools required: Torx key (fitted in pump top cover – see Chapter3.2.3 "Internal view",
page12).
u Position the holder (4) for the secondary cooling cold trap below the pump outlet
and fix it to the housing using two screws.
u Unscrew the GL14 cap nut from the pump outlet and slide it narrow-end first over
the connecting tubing on the inlet (3) of the secondary cooling cold trap.
u Fit the unattached end of the connecting tubing (3) into the pump outlet.
u Screw the GL14 cap nut on the connecting tubing back onto the thread on the
pump outlet.
u Push secondary cooling cold trap (2) fully home into holder.
u Fit receiving flask (7) into the bottom outlet of the secondary cooling cold trap and
fix with the aid of a ball joint clamp (6).
u From the outlet (5) of the secondary cooling cold trap, feed another connecting
tubing directly into a waste drum.