Waters Xevo TQ MS Operator's, Overview And Maintenance Manual page 220

C External Connections
To connect the roughing pump:
1. Place the PTFE drip tray on the floor, within 5 feet of the instrument.
Warning:
must lift the pump.
2. Place the pump on the PTFE drip tray.
3. Attach the NW25 tee to the roughing pump inlet flange using an NW25
center ring, and then secure the connection with an NW25 clamp, using
the 7-mm nut driver to install the clamp.
Elbow
4. Attach the elbow to one of the open ports on the NW25 tee using an
NW25 center ring, and then secure the connection with an NW25 clamp,
using the 7-mm nut driver to install the clamp.
5. Attach the flanged end of a length of 1-inch ID vacuum hose to the
remaining open port on the NW25 tee using an NW25 center ring, and
then secure the connection with an NW25 clamp, using the 7-mm nut
driver to install the clamp.
6. Attach the flanged end of a second length of 1-inch ID vacuum hose to
the open port on the elbow using an NW25 center ring, and then secure
220 February 11, 2013, 71500130002 Rev. D
To avoid skeletal or muscle injury, at least two people
1-inch ID
vacuum hose
Clamps
NW25 clamp
NW25 tee
Pump inlet
TP02625