Eppendorf CO2 Back-up System - Manual (Page 27)

Maintenance
New Brunswick CO2 Back-up System
English (EN)
27
8.7 CO
2
/LN
2
back-up system service checklist
Inspect all hoses for cuts,
chaffing, and squashing.
Inspect hose connection
to bottle and seal
connection on the bottle.
There should be no
damage or corrosion.
Inspect manifold plugs
and seals. There should
be no mechanical
damage or corrosion.
Inspect CO
2
supply
connection and solenoid
valve connection. There
should be no damage or
corrosion.
Once every 5 years or
when battery fails Near device Replace battery. Qualified service
engineer
NOTICE!
 Service should check the following points.
 Refer to user manual sections as indicated.
1. Check Back-up system components for wear and any damage.
2. Check system and gas supply installation (see CO
2
gas supply installation on p. 18).
3. Check system connections for leaks (see Test for gas leaks on p. 18).
4. Test the injector valve operation (see Testing the solenoid valve on p. 21).
5. Test the door switch operation (see Testing door switch on p. 21).
6. Test overall system operation (see Testing back-up system operation on p. 22).
Period Place the task Task Personnel