Waters Xevo TQD Operator's, Overview And Maintenance Manual page 212

To connect the roughing pump:
Left-side minimum clearance
is 15.24 cm (6 inches)
Front-side minimum clearance
is 35.56 cm (14 inches)
Requirement:
daily access to the gas ballast valve and oil-level sight glass.
1. Place the PTFE drip tray on the floor, within 5 feet of the instrument.
2. Place the pump on the PTFE drip tray.
B-4 External Connections
The pump and its connections can be contaminated
Warning:
with biohazardous and/or toxic materials. Always wear
chemical-resistant, powder-free gloves when performing this
procedure.
Caution:
• To ensure correct operation of the roughing pump, the pump
must be installed within 1 degree of horizontal.
• The area where the roughing pump is located must have an
ambient temperature of 15 to 40 ºC (59 to 104 ºF).
• To ensure proper ventilation, the pump must be installed with
the following minimum clearances:
The pump must be oriented in a way that allows easy
The roughing pump is heavy. To avoid injury, at least
Warning:
two people must lift the pump.
Back-side minimum clearance
is 15.24 cm (6 inches)
TP02689
Right-side minimum clearance
is 15.24 cm (6 inches)