8
Maintenance
Lamp changing (every year of operation) :
1. Shut valve(s) so that water cannot flow through steriliser.
2. Switch off steriliser by unplugging mains.
3. Undo end cover screws.
4. Unplug lamp connector.
5. Remove lamp.
Reverse procedure when replacing lamp, ensuring that lamp is centrally located in
the chamber. Handle only by the ends.
Quartz Sleeve Cleaning (three monthly) :
If dirt is allowed to build up on the quartz sleeve it will impair the UV output. The
quartz sleeve should be removed after one month and inspected for deposits.
Clean with methylated spirits (5% hydrochloric acid if heavily fouled) and carefully
dry. Handle the sleeve with tissue to keep it clean. The sleeve should be cleaned
every three months or as required.
Sleeve removal (use care-fragile) :
1. Remove lamp as described.
2. Remove drain port cap and empty water from chamber.
3. Undo nut at one end of the chamber and remove o-ring, repeat with nut at
other end and remove o-ring, withdraw sleeve carefully.
4. Inspect o-rings for damage, replace annually.
CAUTION: Handling lamp and quartz sleeve. Keep the quartz
components free of finger marks to avoid loss of output through
dirt or grease shadows - handle the lamps by their ends where
possible. Wipe lamp and sleeve with clean cloth or tissue if
needed. The o-rings should be replaced annually or if damaged –
do not grease the o-rings.
NOTE: When withdrawing sleeve take care not to let the end drop
into the chamber as it could break - a clean dowel inserted right
through the sleeve to support it is useful.