Service And Maintenance; Weekly Maintenance - Hach BioTector B7000i User Manual

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Section 10

10.1 Weekly Maintenance

Check the air supply pressure:
A) An existing instrument air supply line
B) BioTector Compressor
Check and confirm that the air pressure is 1.5 bar on the filter pack pressure regulator.
Check the Sulfuric Acid level in the acid reagent container. Check the Acid Pump and confirm that
there are no leaks. See figure 1 and table 2 in Section
of Acid Pump inside the BioTector.
Check the Sodium Hydroxide (base) level in the base reagent container. Check the Base Pump and
confirm that there are no leaks. See figure 1 and table 2 in Section
location of Base Pump inside the BioTector.
Check the Mixer Reactor and confirm that there are no leaks. See figure 1 and table 2 in Section
4.1.1
Analysis Enclosure
If installed check the sampling system:
Option 1: Confirm that the BioTector Vacuum Sampler or BioTector Venturi Sampler is
Option 2: Confirm that the Sample Catch-Pot has sufficient sample flow, which guarantees a
Option 3: Confirm that the Sample Pipe has sufficient sample flow, which guarantees a fresh
Check the Sample Pump and confirm that there are no leaks. See figure 1 and table 2 in Section
4.1.1
Analysis Enclosure
Pump operation and sample delivery from the sample point and confirm that there are no blockages
inside sample lines.
Check all valves inside the BioTector and confirm that there are no leaks. See figure 1 and table 2 in
Section
4.1.1
Check the filter mats in the Fan and Vent housings and confirm that they are not blocked.
Check the Bypass, Sample Out and Exhaust lines outside the BioTector and confirm that there are no
damages and blockages. See figure 17 in Section
details.

Service and Maintenance

for the location of the Mixer Reactor inside the BioTector.
operating.
fresh sample for each analysis cycle.
sample for each analysis cycle.
for the location of Sample Pump inside the BioTector. Observe Sample
Analysis Enclosure
for the location of the valves inside the BioTector.
4.1.1
Analysis Enclosure
4.1.1 Analysis Enclosure
5.4.2 Drain, Bypass and Exhaust Connections
for the location
for the
for
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