7
Figure 4 Pump Installation
15.
Slip the External Sample Chamber assembly over the sheet metal edge of the 2700. Use one of the
5/16" locknuts with the flat washer provided to loosely hold the bracket/chamber assembly in position
for now. See Figure 4 for orientation.
16.
Connect the tubing as shown in Figure 4. The 2 inches of small tubing coming from the outside
position of the solenoid valve goes to the sample source. The 2 inches of small tubing from the inside
position of the solenoid valve goes to the antiseptic. Extend these with the silicone tubing provided to
a length that suits your setup. The 6 inches of small tubing coming out of the pump head slips over the
stainless steel chamber inlet. The 6 inches of large tubing coming from the pump slips over the barbed
chamber outlet. The remaining 3 foot length of large tubing goes to a suitable waste container (not
included).
17.
Close the rear panel door and replace the two screws which hold it. Be careful not to snag any cables
when closing the door.
18.
Install the supplied label on the back of the instrument to indicate that it is equipped with the 2730
hardware. This is intended to prevent others from using the instrument with the turntable (doing so
would damage the 2730 circuits).
19.
Install the supplied tubing installation diagram on the side of the 2700 case as shown in Figure 5.
20.
Repower the instrument. The printer should print a heading showing 2700 configuration (single or
dual channel) and the new software version (2.81).
21.
Next align the Sipper Tube with respect to the 2700 Sample Chamber as you would do in 2700 Setup.
Very likely this has already been done on your unit.
External Sample
Chamber
From Antiseptic
(inner)
From Sample
Source
(outer)
To Waste
Monitor Pump
Solenoid Valve
Chamber Outlet
Chamber Inlet
Pump/Valve
Mounting Plate
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