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malfunction
Pump produces
insufficient air
excessive air bubbles in
aquarium water
Pump does not start
The Deltec skimmer range should need very little adjustment and maintenance once set correctly however due to the high levels of
calcium in marine aquariums it is common for deposits to build up on moving parts requiring periodical cleaning . Deltec pumps are
fitted with little flaps inside the outlet of the pump and inside the housing, which flip from one side to the other depending on the
direction of rotation thus ensuring that the pump always operates at full duty. It is recommended every 6 months, or when required,
that the pumps are removed from the skimmer having first drained the body of Water.
Check and clean the impellor of debris. Ensure that the direction flaps move easily and if necessary soak the neck of the pump
housing in white vinegar or lime scale remover to dissolve any calcium carbonate deposits. A build up of calcium, dust and salt can
restrict or block the venturi inlet on the connecting pipe work and reduce the skimming efficiency. This should be checked and
carefully cleaned with a toothpick or fine drill rotated between the fingertips.
It is advisable to stop the pump for approximately 15 minutes once every week in order to dissolve any dust or salt crystals that may
have collected in the venture tube.
All manuals and user guides at all-guides.com
Fault finding
cause
silencer, airline or venturi blocked clean
airline kinked
ozonizer blocked
Pump flaps blocked
caused by additives in certain sea
salts and water conditions
Front bearing of the impeller stuck.
When the pump (after having been
used) has been stored dry for a period
of time, the front bearing can "dry out".
Maintenance
-15-
remedy
remove kink
clean
clean
use different salt or feed heavily
for a period, empty skimmer cup
frequently. This condition may
last for several weeks.
Remove impeller with the extractor tool
as illustrated and loosen the bearing by
moving the bearing plate around and
along the ceramic shaft in tap water.
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