4.3.7. Plumbing probe blanks into probe and injection point housing:
On the probe and injection housing, under each of the 3 x probe locking nuts, is an o-ring and washer
(refer Figure 4.13). Remove the first probe locking nut on the housing (where it's marked pH);
• Carefully slide the probe locking nut, then the washer, then the o-ring, onto the probe blank
(refer Figure 4.14);
Figure 4.13
Probe locking nut
Washer
O-ring
12
Figure 4.12
Figure 4.14