Waters Xevo TQD Overview And Maintenance Manual page 225

• NW40 clamps (included in the installation kit)
• NW25/NW40 adaptor (included in the installation kit)
• 10-mm reducer fitting (included in the installation kit)
• 10-mm ID nylon tube (included in installation kit)
• 12.7-mm clear PVC exhaust tubing (included in the Waters Rotary
Pump Kit)
• PVC hose clamps (included in the Waters Rotary Pump Kit)
• 1-inch ID vacuum hose (included in the Waters Rotary Pump Kit)
Bear in mind these requirements when connecting the roughing pump:
• The pump must be horizontal, or within one degree of horizontal.
• The ambient temperature of area in which you place the pump must
range between 15 and 40 ºC.
• The pump must be oriented so that it permits easy access to the gas
ballast valve and oil-level sight glass.
For proper ventilation, the following minimum clearances must apply:
Back-side minimum clearance
is 15.24 cm (6 inches)
Left-side minimum clearance
is 15.24 cm (6 inches)
Connecting the Edwards oil-free roughing pump
Right-side minimum clearance
is 15.24 cm (6 inches)
TP03165
Front-side minimum clearance
is 35.56 cm (14 inches)
March 14, 2014, 715004387 Rev. B 225