Hach-Lange AMTAX indoor sc - Manual (Page 47)

47
Maintenance
4. Remove the fan locking screw and slide the retaining strap to
the top and remove ( Figure 10, page 20 ). If necessary, press
the fan down to remove the retaining strap.
5. Slide the fan from the holding screws.
6. Clean the filter with soap and water and reposition.
7. Press ENTER.
8. Replace the fan. Make sure that the fan opening is positioned
downward. Attach the retaining strap (hold down the fan) and
install the fan locking screw.
9. Close the analyzer enclosure and the analysis panel.
10. Press ENTER.
The instrument will reset the maintenance counter and will start the
analyzer again.
6.1.3 Fuse replacement
The fuses for the power supply are found in the sc1000 controller.
Refer to the sc1000 User Manual for fuse replacement information.
6.2 Reagent replacement
The chemicals must be changed or renewed at regular intervals.
Refer to
Table 5 for information on the life of the chemicals.
Table 5 Chemicals for the AMTAX sc
Chemical ( section 8.1,
page 65 )
Measuring range 1
(0.02–5 mg/L)
Measuring range 2
(0.05–20 mg/L)
Measuring range 3
(1–100 mg/L)
Measuring range 4
(10–1000 mg/L)
Reagent 2500 mL for 3 month 2500 mL for 3 months 2500 mL for 2 months 2500 mL for 2 months
Standards (2 liters):
0.5 and 2.5 mg/L for
2 month on daily
calibration 1 and 10 mg/L for
3 months on daily
calibration 10 and 50 mg/L for
3 months on daily
calibration 50 and 500 mg/L for
3 months on daily
calibration
Cleaning and calibration
250 mL for 1 month on 3 cleanings and calibrations per day (default)
250 mL for 3 months on daily cleaning and calibration
Electrolyte and
membrane cap
11 mL
Electrolyte for
1–1.5 months;
Membrane cap:
2–3 months
(depending on the
membrane soiling)
11 mL
Replace with
membrane every
2–3 months
(depending on the
membrane soiling) 11 mL
Replace with
membrane every
2–3 months
(depending on the
membrane soiling) 11 mL
Replace with
membrane every
2–3 months
(depending on the
membrane soiling)