Table 3 Maintenance schedule (continued)
Task
30 days 90 days 180 days 365 days
Change the
instrument tubing
on page 16
Probes (pH and conductivity) maintenance
Do a verification
X
on page 16
Clean the probes
X
on page 16
Probe maintenance
on page 16
Returns and shipping
Call the manufacturer for shipping instructions. Make sure that all water
and chemicals are removed before the instrument is shipped.
Use the junction box cover as a tray
The junction box cover is used as a tray to hold chemicals for calibration
and other maintenance items.
1. Lift the support brackets to a position perpendicular to the panel
(Figure
8, item 1).
2. Push the junction box cover up to release it
3. Put the cover in the support brackets to use as a tray.
14 English
necessary
X
X
(Figure
8, item 2).
Figure 8 Tray and support brackets
As
1 Support brackets
2 Junction box, cover and tray
position