Making The Roughing Pump Connections To The Xevo Tq-S - Waters Xevo TQ-S Operator's, Overview And Maintenance Manual

B External Connections

Making the roughing pump connections to the Xevo TQ-S

Required materials
• Chemical-resistant, powder-free gloves
• 7-mm nut driver
The following items are included in the Xevo TQ-S installation kit:
• NW25 elbow
• NW40 elbow
• NW25 center rings
• NW40 center rings
• NW25 clamps
• NW40 clamps
Warning:
toxic materials, and to avoid spreading contamination to
uncontaminated surfaces, wear clean, chemical-resistant,
powder-free gloves when working with the pumps and their
connections.
To connect the roughing pumps:
1. Using an NW25 center ring, attach the NW25 elbow to the turbo
vacuum port of the Xevo TQ-S, and then secure the connection with an
NW25 clamp, see the figure on
2. Using an NW40 center ring, attach the NW40 elbow to the source
vacuum port of the Xevo TQ-S, and then secure the connection with an
NW40 clamp.
3. Using an NW25 center ring, attach the free end of the NW25 hose assembly
(attached to the roughing pump) to the NW25 elbow, and then secure the
connection with an NW25 clamp.
4. Using an NW40 center ring, attach the free end of the NW40 hose
assembly (attached to the roughing pump) to the NW40 elbow, and then
secure the connection with an NW40 clamp.
254 February 28, 2014, 715002212 Rev. C
To avoid personal contamination with biohazards or
page 255.