| Maintenance
68 | CO2 Incubator Basic VWR
Chapter 10
Replacing the particle filters
The particle filters have plastic threads and are screwed by hand into the threaded hole on the
control box.
Procedure for gas supply particle filter:
Figure 21 – Particle filter replacement
1. Make sure that the gas supply is shut off.
2. Loosen hose clamp [4].
3. Remove gas hose [5] from sterile filter sleeve [2].
4. Remove retainer [1].
5. Unscrew the particle filter [2] from the threaded hole [3].
6. When installing the new particle filter, make sure that the plastic thread is not canted. Screw
filter in carefully all the way to the stop.
7. Install retainer [1].
8. Connect gas hose to particle filter sleeve and secure it using hose clamp. Check to see if the
gas hose is securely seated on the sleeve.
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