Aztec 600 ISE ammonia and fluoride
Single-stream ion-selective analyzers
13 Maintenance
OI/AXM630–EN Rev. I
69
13.5 Replacing the DC Fuse
Referring to Fig. 13.5:
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.
Fig. 13.4 Replacing Ammonia Probe Membrane
A
B
D
F
E
G
J
K
C
H
Caution.
Use only replacement fuse: 12.5 A 125 V DC
Type T, SCHURTER, Model SPT 5 x 20 Series
Fig. 13.5 Replacing the DC Fuse
Warning.
Isolate the analyzer and cables from electrical
supply.
A
B
C
D
E
