Page 73 - PBL71 OI/AXM630-EN AZTEC 600 SS (WIRO)

Aztec 600 ISE ammonia and fluoride
Single-stream ion-selective analyzers
13 Maintenance
OI/AXM630–EN Rev. J
69
H
J
D
K
C
B
F
G
E
A
Caution. Use only replacement fuse: 12.5 A 125 V DC Type T, SCHURTER, Model SPT 5 x 20 Series
A
BC ED
Fig. 13.4 Replacing Ammonia Probe Membrane
13.5 Replacing the DC Fuse
Fig. 13.5 Replacing the DC Fuse
Referring to Fig. 13.5:
Warning. Isolate the analyzer and cables from electrical supply.
1. Turn the electronics section door retaining screws A 1/4 turn counter-clockwise and open the door.
2. Using a cross-head screwdriver, remove 4 screws B and remove transparent cover plate C.
3. Carefully remove the fuse from fuse holder D on DC power board E.
4. Fit a new fuse (12.5 A 125 V DC Type T, SCHURTER, Model SPT 5 x 20 Series) into fuse holder D on DC power board E.
5. Refit transparent cover plate C and secure using 4 screws B. Close the door to the electronics section and turn door retaining screws A 1/4 turn clockwise to secure.