Kawamoto Pump RCD-40A0.75, Instruction Manual

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26
８ Maintenance and Inspection
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If the pump does not operate or if an abnormality is sensed (such as burning smell),
stop operation immediately and turn OFF the main power. Then, contact the place
of purchase or a designated service center for inspections and repairs. Failure to
observe this could result in electric shocks, fires, water leaks, etc.
The product must never be disassembled, repaired or modified by any person other
than a qualified repair technician. Improper repairs could lead to electric shocks,
fires or water leaks.
Always turn OFF the power and ensure that no power is being supplied to the
pump before starting maintenance servicing. Failure to observe this could result in
electric shocks or injuries.
When keep a pump for a long time, please measure the insulation resistance of
winding every six months, and check that it is more than 1MΩ.
Always use genuine Kawamoto parts for repairs. Use of non-genuine parts could
cause faults and accidents. In addition, proper functions may not be achieved.
Both periodic inspections and daily inspections are recommended for ensuring safe
use for a long time. Failure to perform inspections can result in pump faults and
accidents. Consult with your dealer or nearest Kawamoto Sales Office for periodic
inspections.
Periodically replace the consumable parts. Using the pump with degraded or worn
parts can result in water leaks, burning or damage. Contact your dealer or nearest
Kawamoto Sales Office for periodic inspections and part replacement, etc.
Always follow the inspection items when performing inspections. If the inspection
items are not followed, it may not be possible to prevent faults, and could result in
accidents.
Warning
５ . The pressure gauge and compound gauge s cocks should be closed except
measurement.
Leaving these cocks open will increase the risk of damage.
６ . It is not unusual although liquid comes out from between the cover and stage
casings for the structure where the mechanical seal is not used.
７．２ Operation
１．Install valve in the discharge pipe, flow adjustment is possible by opening and
closing of a valve. A motor does not become overload operation even if it closes a
valve.
２．Flow adjustment is possible at good operation in variable speed by an inverter.
When you use an inverter, please operate with the frequency of 5 〜 60 Hz, and below
an amperage rating value.
However, as for an inverter, directions for use should follow an inverter maker's
directions.
There is a possibility that a motor may be damaged by fire depending on the kind of
inverter or a setup.
We recommend to do the conformity examination of an inverter and a pump.
３．The frequency of start and stop makes max100 time an aim every hour .
Operation of high frequency causes failure of electric parts, such as insulated
degradation of a motor.