Waters Xevo TQD Operator's, Overview And Maintenance Manual page 213

3. Attach the NW25 tee to the inlet of the pump using the NW25 center
ring, and then secure the connection with a clamp.
1-inch ID
vacuum hose
Clamps
Flange
NW25 tee
Pump inlet
4. Using the NW25 center rings and clamp, and the 7-mm nut driver,
attach the flanged end of a length of 1-inch ID vacuum hose to the top
port on the NW25 tee, and the 10-mm reducer fitting and a length of
10-mm ID nylon tubing to the middle (perpendicular) port on the tee.
5. Using 2 hose clamps, connect the opposite end of the length of 1-inch
vacuum hose in
instrument's rear panel.
6. Connect the opposite end of the 10-mm nylon tube to the 10-mm source
vent port on the instrument's rear panel.
Caution:
exhaust tubing squarely (that is, perpendicular to its horizontal
axis).
7. Using 1 hose clamp, connect a length of 12.7-mm clear PVC exhaust
tubing to the roughing pump exhaust port NW25 nozzle fitting.
step 4 to the 1-inch OD straight vacuum port on the
To avoid gas leaks, use the sharp knife to cut the PVC
Connecting the oil-filled roughing pump
10-mm nylon tube
10-mm reducer
fitting
TP03414
B-5