Table 1 Maintenance schedule (continued)
Task
1 month 3 months 6 months As necessary
Replace a fuse
on page 15
Replace a module
on page 16
1
In typical municipal wastewater applications, fill the cleaning solution bottle
every 2 weeks.
2
In typical municipal wastewater applications, inspect the sample conditioning
block filter every 2 weeks.
Put the analyzer in shutdown mode
Stop the analyzer before maintenance tasks are started.
1. Push MENU.
2. Select SENSOR MENU>APA6000 #1 APA 6000>SENSOR
STATUS>STANDBY.
Put the analyzer back into operation
After maintenance tasks are complete, start the analyzer.
1. Make sure that all the tubing is connected and that the front door and
analyzer bottle enclosures are closed and latched.
2. Push MENU.
3. Select SENSOR MENU>APA6000 #1 APA 6000>SENSOR
STATUS>RESTART. The analyzer starts normal operation.
Clean the instrument
N O T I C E
Never use cleaning agents such as turpentine, acetone or similar products to
clean the instrument including the display and accessories.
Clean the exterior of the instrument with a moist cloth and a mild soap
solution.
How to clean spills
X
Chemical exposure hazard. Dispose of chemicals and wastes in
X
accordance with local, regional and national regulations.
1. Obey all facility safety protocols for spill control.
2. Discard the waste according to applicable regulations.
Replace the reagents and standards
Do not operate the analyzer when the analyzer bottles are not installed. Dry
operation may damage the analyzer.
Replace the reagents and standards before the level in an analyzer
bottle is less than 10%. Measurements are not accurate when the level
is less than 10%.
The manufacturer recommends that all the reagents and standard
solution bottles be replaced at the same time. Do not mix old and new
reagents.
1. Put the analyzer in shutdown mode. Refer to
shutdown mode
2. Open the analyzer bottle enclosures. Put a paper towel on the
bottom of each enclosure lid.
3. Remove the cap and tubes from all the analyzer bottles. Put them on
the paper towel to absorb any drips or leakage.
4. Remove the analyzer bottles from the enclosures.
5. Make sure that the analyzer bottle enclosure and tubing in the
enclosure is clean. Refer to
6. For the high range hardness analyzer, prepare Reagent 2. Refer to
Prepare Reagent 2 (HR hardness analyzer only)
7. Make sure the cleaning solution bottle is full. Add cleaning solution
as necessary.
8. Install the new analyzer bottles in the bottle enclosures.
C A U T I O N
N O T I C E
Put the analyzer in
on page 5.
How to clean spills
on page 5.
on page 6.
English 5