Confirm the following check item at any time, and change care and the consumption part
as needed.
8.1 Daily inspection,
Check item
Current
Voltage
Noise value/Vibration
Inside of a tank
In order to discover abnormalities early, it is important to get to know a daily change.
We recommend to keep journal operation diary for that purpose.
8.2 Periodic inspection
Check item
Motor surface
Inside of a tank
Insulation resistance
Be careful when using solvent or similar to clean the pump. Inappropriate use of solvent may
result in poisoning. In addition, the use of thinner and/or benzine may cause a change or
abruption of painting color of the pump.
8.3 Consumable parts
The following parts are consumable parts. Refer to the replacement guidelines and replace the
parts.
Part name
Bearing
Sleeve
Impeller
If abnormal in daily maintenance and check, we will recommend you repair a little early.
9 Troubleshooting
If the pump does not run, or if there are any abnormalities , stop operation
●
immediately and turn the power source off. Contact your dealer or designated
service center for inspection and repairs
When there are any abnormalities after carrying out the check item of the following table,
please contact your dealer or designated service center.
Problem
Pump does not run.
Below the current value of a name plate.
Less than ±10% of rated voltage.
Are changeless from the first stage.
There is no clogged in the strainer of a pump.
※Please clean, when there is a jam.
Dust, oil, etc. adhering to the surface are cleaned.
Remove chip precipitating in a tank base .
More than 1MΩ.
Replacement frequency
Bush
Cause
The short circuit breaker is OFF.
Power supply problem.
The pump is connected with a
single-phase connection.
Failure criterion
Contents
About 2 years
−
−
−
Warning
Check the switch and power circuit.
Inspect and repair.
Correct the wiring
27
The state of frequency
When generation of heat, noise,
and unusual vibration occur.
When worn out.
When worn out.
When worn out.
Countermeasure
Refer
page
−
−
23