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Inspection item
Interval
Once every
2 to 5 years
Overhaul
Ÿ
The pump must be overhauled even if the pump appears normal
during operation. The pump may need to be overhauled earlier if
it is used continuously or repeatedly.
Note: Contact the dealer from whom you purchased the equipment
to overhaul the pump.
6.2 Storage
If the pump will not be operated for a long period of time, pull the pump up, allow it to dry and store it indoors.
NOTE
Be sure to perform a trial operation before reinstalling the pump. If the pump remains immersed in water,
operate the pump on a regular basis (i.e. once a week) to prevent the impeller from seizing due to rust.
6.3 Maintenance
Inspecting oil
Ÿ
Designated oil: turbine oil Vg32.
Ÿ
Oil volume: specified.
Remove the oil plug and take out a small amount of oil. The oil can be
extracted easily by tilting the pump so that the oil plug faces downward.
If the oil appears discolored or intermixed with water, a likely cause is a
defective shaft sealing device (i.e. mechanical seal), which requires that
the pump be disassembled and repaired.
NOTE
Ÿ
The drained oil must be disposed of by waste disposal contractors in compliance with the laws of the
located where the pump is being used.
Ÿ
The gasket and the O-ring for the oil filler plug must be replaced with a new part at each oil inspection
and change.
Changing oil
Remove the oil plug and drain the oil completely. Pour a specified volume of oil into the oil filler inlet.
Model
Specified oil
volume (oz.)
2 - 3 HP
5 - 7.5 HP
10 - 20 HP
21
37.2
37.2
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27
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