Endress+Hauser TOCII CA72TOC - Replacing the O2 Filter

TOCII CA72TOC Maintenance
Endress+Hauser 117
7.10.3 Replacing the O
2
filter
This section describes how the O
2
filter is replaced.
The gas connection block with the O
2
filter is mounted on the rear of the analyzer.
You require the following parts:
• Open-ended wrench
• Needle-nosed pliers
a0012321
Fig. 66: Gas connection block with O
2
filter
1 Gas connection block
2O
2
filter
3 Coupling
1
2
3
Step Display Description
1
2
"
Caution!
Wear protective goggles!
1. Close the gas supply valve.
2. Relieve the pressure on the pressure
line before opening the hose
connection to prevent injury from the
uncontrolled release of pressure.
3. Press the [E] key.
PUMPS
CALIBRATION
SERVICE
CLEANING
FILTERS
REPLACE ACID FILTER
REPLACE GAS FILTERS
REPLACE O2 FILTERS
REPLACE HEATED FILTER
REPLACE O2 FILTER
[E] TO CONFIRM
CLOSE OXYGEN SUPPLY!