EuroFlow EF & EF/B
Biological Safety Cabinet
Clean Air Techniek B.V.
UM-EFAB-EN10.doc
72
Position the new exhaust HEPA filter
•
Unpack the new filter, check specifications and register the serial number and specifications;
•
Filter certificate has to be stored on a safe place;
•
Put Vaseline on the seal of the HEPA filter (both sides);
•
Position the HEPA filter (take care for possible damage of the sealings!);
•
Fasten the support frame
;
•
In case the cabinet was connected to an external exhaust channel, connect the cabinet to this
exhaust channel;
•
Put off your gloves and put these in an appropriate bag;
•
Place the power plug in the supply socket and switch on the installation;
•
Perform an Integrity test according to the procedure described in
Appendix IV: Efficiency test
of the HEPA filters
on page 74.
Replacement of the first (V-shaped) HEPA filter (EF/B only)
For replacement of the first HEPA filter the following procedure must be followed:
Supplies needed:
•
Plastic bag with closure (minimum measurement depends on the volume of the HEPA filter);
•
Gloves (4 pair for EF/B 4, 6 pair for EF/B 6);
•
Semi-facial mask with HEPA filters;
•
Tools (knife, spanner or socket wrench, alien key);
•
Tape;
•
Chemical disposal container or chemical disposal procedure.
Starting
•
Decontaminate the cabinet;
•
Switch on the installation;
•
Make sure that the window is the working position and that there are no alarms;
•
Put on new gloves and keep an extra pair ready for use;
•
Put on your breathe protection e.g. with a semi-facial mask with HEPA filters;
•
Hinge the worktop to the back partition;
•
Remove the pre-filter (see
§8.2 Replacement of the pre-filter on page 56
);
•
Remove the wire mesh frame of the pre-filter.
Per filter pressure frame (containing 2 HEPA filters) the following procedure has to repeated. (for
the EF/B 4 with 4 pressure frames (containing 8 HEPA filters) this procedure has to be repeated 4
times. For the EF/B 6 this procedure has to be repeated 6 times (6 pressure frames and 12 HEPA
filters).
