Hach QbD1200 AutoSampler, Руководство пользователя, Страница: 15 / 122

1. Set the instrument power to off.
2. Remove the power cord from the power supply.
Do a leak inspection
Inspect for leaks from the sample probe, the sample tube or the rinse station and the rinse station
tubing.
1. Shut down the auto sampler. Refer to the Shut-down procedure on page 14.
2. Examine the sample probe, the sample tube or the rinse station and the rinse station tubing for
damage and evidence of leaks.
3. Replace all of the components that show evidence of leaks or damage.
Clean the instrument
C A U T I O N
Chemical exposure hazard. Obey laboratory safety procedures and wear all of the personal protective
equipment appropriate to the chemicals that are handled. Refer to the current safety data sheets
(MSDS/SDS) for safety protocols.
N O T I C E
Clean the instrument with water. Fumes from cleaning agents can have an effect on the results. Do not let
cleaning agents come into contact with the lead screws. Do not put lubricant on the lead screws.
Spills can occur during use of the instrument. For the best operation, remove spills daily. Clean the
instrument as necessary to prevent instrument damage. Remove contaminants and abrasive material
from moving parts. Remove chemical spills according to MSDS/SDS instructions.
Items to collect:
• Dry, lint-free cloth
• Soft cloth towel
• Clean water
1. Remove the instrument from service. Refer to the Shut-down procedure on page 14.
2. Remove the sample tray.
3. Use the dry, lint-free cloth to remove loose particles from the lead screws.
4. Use the cloth towel to clean the outer surface and base of the instrument.
5. Use clean water to clean the sample tray. Remove all stains and spills.
Note: Make sure to clean the slider block and guide rails along the tube of the arm.
6. Use a dry towel to remove all moisture from the instrument.
Before the power is set to on, let the instrument fully dry.
7. Put the dry sampler tray on the base.
Replace the sample probe
If the probe has leaks or shows signs of damage, replace the probe.
1. Remove the instrument from service. Refer to the Shut-down procedure on page 14.
2. Remove the worn sample probe.
Note: Too much force can damage the mechanical Z-drive.
3. Install the new probe. Refer to Install the mechanical Z-drive on page 9.
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