June 28, 2016, 715003956 Rev. C
Page 91
1. Disconnect the source exhaust PTFE tubing from the 90-degree elbow connector on the
source exhaust valve.
2. Remove the tubing from the hose brackets alongside the QDa panel (if the tubing is in a
rear facing configuration).
3. Disconnect the drain tubing from the waste-liquid drain-port.
D.7 Source exhaust tubing
D.7.1 Connecting the exhaust-trap bottle
Perform the following procedure to install and connect an exhaust-trap bottle to the instrument
(see the “Exhaust trap bottle” on page 99).
Required materials:
• Chemical-resistant, powder-free gloves
• Sharp knife
• 90-degree push-in elbow (part number 410004340)
• 90-degree elbow (part number 410002348)
• 12-mm PTFE tubing (part number 6070283)
To connect the exhaust-trap bottle:
1. Place the exhaust-trap bottle in the protective bottle stand, and then position the assembly
in a readily accessible location below the ACQUITY QDa.
2. Cut the 12-mm PTFE tubing into three lengths (see the figure on page 87).
Important:
• Cut one piece of tubing so that it is, approximately, the length of the instrument.
• Cut the second piece of tubing to extend from the bottom of the instrument to the
exhaust trap bottle.
• Cut the third piece of tubing to extend from the exhaust-trap bottle to the laboratory’s
exhaust system.
3. Connect the first length of 12-mm PTFE tubing to the source exhaust valve assembly (see
the section “Connecting and disconnecting the external, source exhaust valve assembly
(KAB)”, on page 86), and thread the tube through the hose brackets running alongside the
instrument, to ensure a downward gradient.
Tip: The downward gradient ensures that solvent flows freely into the trap bottle.
Warning: To avoid personal contamination with biologically hazardous, toxic, or corrosive
materials, and to avoid spreading contamination to uncontaminated surfaces, wear clean,
chemical-resistant, powder-free gloves while performing this procedure.
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