Watts HF scientific 28030, Руководство пользователя

Страница: 38 / 45

CLX-XT (28652) Page 32
REV 5 (5/2020)
Cuvette Replacement
Check the condition of cuvette and change if it appears badly soiled or discolored. Follow
the steps below.
Steps:
1. Replace the two Cap Assemblies.
2. Turn the knurled top on the optics system counterclockwise (as viewed for the top)
until the cuvette just “pops” out, but do not remove the top.
3. When the cuvette “pops” out, move the retaining o-ring & remove the cuvette. You
may need a stiff wire such as a bent paper clip to grasp the cuvette. Retain this cuvette
for future use if it can be cleaned.
4. Install the new cuvette by pushing it firmly in place and turning the knurled top
clockwise until the cuvette is held securely.
5. Check the drawing on the following page to ensure correct installation.
6. Return to operation as described.
T-Strainer Cleaning
The T-strainer is integral to the instrument and must be checked
occasionally. When necessary it must be removed and cleaned. The
strainer screen may require replacement after a period of time.
Steps:
1. Press SERVICE to stop the flow of sample water and drain the
cuvette.
2. Ensure the source water is turned off.
3. The T-strainer is clamped to the intake regulator. The removal
requires the use of a flat blade screwdriver as shown in the
photo. Once the two clamps are opened the T-strainer can be
removed.
4. Disconnect the top of the T-strainer and regulator from the
tubing and clear of the case.
5. Clean the T-strainer screen and replace.
6. Be sure to tighten the bowl of the strainer.
7. Be certain the clamps are tightened fully and the tubing
connections are complete. Pliers may be required to close the
clamps.
8. Turn source water back on.
9. Return to normal operation.
10. Check for any leaks.
Return to Normal Operation
Press the SERVICE button to return sample flow to the system. Check for leaks. If a leak
occurs press SERVICE again, repair leak and try again. Once the system is operating
correctly, return or replace reagents and press PRIME and then

one time to restart
reagent flow. The system will automatically return to normal operation.
Tubes may darken due to contact with the reagent. This condition does not affect the
performance of these parts.