5 | Installation
BÜCHI Labortechnik AG
26/52
Operation Manual Vacuum Pump V-100
5.7
Connecting a secondary cooling cold trap
1
3
1
2
6
5
1
1
1
4
7
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 Chapter 3.2.3 "Internal view",
page 12).
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.
