Thermo Scientific TVA2020, Instruction Manual

Page: 109 / 190

Preventive Maintenance
Cleaning or Replacing a Sintered Metal Filter Cup
Thermo Fisher Scientific TVA2020 Instruction Manual 5-13
The filter cup is located behind the sample line quick connect at the
sidepack assembly. To remove, unscrew the quick connect to expose the
filter (
Figure 5–6 ). Pull the filter cup from behind the fitting and replace
and clean as noted below.
You may clean the filter by immersing it in isopropyl alcohol or equivalent
solvent and/or swabbing the surface with a Q-tip or cotton swab. After
thoroughly cleaning the surface of the filter, place the filter in an oven and
dry it at 40 °C to 55 °C for one hour. You can then re-insert the filter into
the sampling assembly and screw in the cap.
Figure 5–6. Sintered Metal Filter – Cleaning or Replacing
Cleaning or
Replacing a
Sintered Metal
Filter Cup
O-ring
Sample Inlet
O-ring
Filter Cup
Filter Holder
O-ring
Spring
Nut