Replacing The Charcoal Filter; Figure 5-7. Activated Charcoal Filter Adapter - Thermo Scientific TVA2020 Instruction Manual

Preventive Maintenance

Replacing the Charcoal Filter

Replacing the
Charcoal Filter
5-14 TVA2020 Instruction Manual
Use the following procedure to replace the optional charcoal filter.
1. Remove the sampling assembly from the probe by loosening the probe
nut and pulling the sampling assembly free from the probe.
2. Unscrew the cap from the sampling assembly. This will expose the end
of the charcoal filter cartridge
3. Tip the cartridge up and empty the charcoal from the cartridge.
4. Clean the inside of the cartridge with a cotton swab dipped in isopropyl
alcohol.
5. Dry the cartridge thoroughly.
6. Re-fill the cartridge with new "dust-free" charcoal of the type specified
for the filter.
7. Apply PTFE tape to the male threads of the charcoal cartridge and
screw on the cap.
8. Re-insert the sampling assembly into the probe and tighten the probe
nut.
CARTRIDGE
FILLED WITH
ACT IVATED
CH ARCOAL
Figure 5–7. Activated Charcoal Filter Adapter
(Figure 5–7).
THREAD ED
EN D WITH
TEFLON CAP
TAPE
Thermo Fisher Scientific