Ankom TDF Dietary Manual do Utilizador descarregar pdf (Página 90)

Operator’s Manual

pg. 90 Rev E 12/2/14

Appendix B – Instrument Out-of-use Procedure

The fluid lines can become obstructed when the instrument is left unused for one week or longer. To avoid fluid line

obstruction, execute the following procedure BEFORE the instrument is left unused for one week or longer.

1. Flush and purge the lines.

These instructions are available with additional pictures in Service Procedure 208

located at www.ankom.com.

1.1 With the instrument turned on, press the Diagnostics button on the Touch Screen Display.

1.2 Press the Line Charge button on the Touch Screen Display. The following screen will be displayed.

1.3 Fill the Enzyme Containers on the left side of the instrument with Distilled Water. The enzyme lines are first flushed

with Distilled Water to avoid any precipitation from occurring due to an interaction between the enzymes and the

EtOH.

1.4 Press the Amylase button on the Touch Screen Display. This will draw water into the Amylase line. Do this a

second time to fully flush the line.

1.5 To flush the Protease and AMG lines, repeat step 1.4 using the Protease and AMG buttons on the Touch Screen

Display.

1.6 Disconnect Enzyme, HCl, EtOH78, EtOH95, Water, and Buffer containers. Store or dispose of all fluids properly.

1.7 Obtain the TDF70 Line Flush Tubing Assembly shown below. Note the nine connection points on the Tubing

Assembly.

1.8 Attach the Line Flush Tubing Assembly to the instrument and to the 78% EtOH Container as shown above.

1.9 Fill the 78% EtOH Container with 220ml of 78% EtOH.

1.10 Press the ALL button on the Touch Screen Display. This will draw 78% EtOH into all of the lines. Do this a second

time to fully flush the lines. This process will drain the 78% EtOH Container.

1.11 With the 78% EtOH Container empty, press the ALL button on the Touch Screen Display to purge the fluid from the

lines by sucking air into them. Press the ALL button a second time to fully clear the lines. There should now be

minimal fluid remaining in the lines. If a significant amount of fluid is observed, press the ALL button again until

the lines are clear (some droplets will remain). During the last line charge you should see no fluid being pumped

out to waste.

←

Line Charge

Amylase

Protease

AMG

HCl

EtOH78

EtOH95

Water

Buffer

ALL

Connect to HCl tube

Connect to right-side tubes

Connect to left-side (enzyme) tubes

Connect to 78% EtOH container

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Ankom TDF Dietary Manual do Utilizador Página 90

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