1/2HP-1HP AERATOR & CIRCULATOR MANUAL
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UNDER NO CIRCUMSTANCES should anyone enter the water while equipment is operating.
The following maintenance procedures can ensure many years of quality performance from your Kasco
aerator or circulator and reduce the need for more costly repair work.
Proper Installation
Proper installation of Kasco equipment will include a power source with Ground Fault Interruption (GFI).
Ground fault interrupters are a safety feature that can also alert you to electrical leaks in the equipment. It is
extremely important to test the GFI upon installation, following each re-installation, and monthly thereafter
to ensure proper operation. If you have repeat/consistent trips on your ground fault, disconnect the equip-
ment and remove it from the water. Inspect the power cord for damage and call Kasco Marine at 715- 262-
4488 for further instructions.
Observation
Operating equipment should be observed on a regular basis (daily, if possible) for any reduction or variation
in performance. If you observe a change in performance, disconnect the equipment from its power source
and inspected for any material that may have clogged the system or wrapped around the shaft of the mo-
tor, especially plastic bags and fishing line. Even though Kasco aerators and circulators are among the most
clog-resistant on the market, it is impossible to protect against all items that can clog equipment and still
maintain a flow of water. These materials can be very damaging to the equipment under continuous opera
-
tion and must be removed as soon as possible.
ALWAYS UNPLUG THE UNIT BEFORE ATTEMPTING TO REMOVE CLOGS.
Winter Storage
In regions where there is significant freezing in the wintertime, remove the aerator or circulator from the
water to protect it from the expansion pressure caused by ice. In many areas, aerators will keep some
amount of ice open through the winter. However, when the water is thrust into the air, it is exposed to the
colder air temperatures longer and can actually make ice thicker on the pond/lake. Storage over winter is
best in a location that is out of the sun and cool, but above 32 degrees Fahrenheit. During the offseason,
store units upside down (with the float down) if they are going to be sitting for long periods of time. Units
that sit upright on a shelf for many months, or even years have a greater likelihood of seals drying out. Stor-
ing units upside down will help to ensure oil is lubricating the seals without damaging the propeller guard.
Cleaning
Aerators and circulators should be removed from the water at least once per year (at the end of the season
in cold climates) to clean the exterior of the system, especially the stainless steel motor housing (can). The
motor housing is the surface that dissipates heat into the water, and any algae, calcium, or other build-up
will become an insulator that blocks heat transfer. In warmer regions, Kasco recommends removing the
motor and cleaning it at least two to three times per year, depending on conditions. In most cases, a power
washer will be sufficient if the unit and algae are still wet. Avoid power-washing the mechanical seal area
directly.
MAINTENANCE RECOMMENDATIONS
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