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27

Check item

Failure criterion

Current
Voltage
Noise value/Vibration

Inside of a tank

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.

8.1 Daily inspection,

Confirm the following check item at any time, and change care and the consumption part 
as needed.

 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.

Contents

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

Warning

Check item

8.2 Periodic inspection

Dust, oil, etc. adhering to the surface are cleaned.
Remove chip precipitating in a tank base .
More than 1MΩ.

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.  

When there are any abnormalities after carrying out the check item of the following table, 
please contact your dealer or designated service center.

The state of frequency

Part name

Replacement frequency

8.3 Consumable parts

When generation of heat, noise, 
and unusual vibration occur.
When worn out.
When worn out.
When worn out.

Bearing

Bush

Sleeve

Impeller

About 2 years



If abnormal in daily maintenance and check, we will recommend you repair a little early.

The following parts are consumable parts. Refer to the replacement guidelines and replace the 
parts. 

Cause

Countermeasure

Refer

page

Problem

The short circuit breaker is OFF.
Power supply problem.
The pump is connected with a
single-phase connection. 

Check the switch and power circuit.
Inspect and repair.

Correct the wiring


23

Pump does not run.

Summary of Contents for RCD-40A0.75

Page 1: ...1...

Page 2: ...2...

Page 3: ...3 kW Hz min kg V V kW Hz min kg RH Rp dBA Hz Hz Hz Hz...

Page 4: ...4 kW Hz min kg V V kW Hz min kg kW Hz min kg...

Page 5: ...5 3 M M W K No...

Page 6: ...6 3 3 3 M M W K No...

Page 7: ...7...

Page 8: ...8 B A m s2 1 m B...

Page 9: ...9 VC81 6 3 VC82 12 9 VC80 m...

Page 10: ...10 m m V kW mm mm...

Page 11: ...11...

Page 12: ...12...

Page 13: ...13 2...

Page 14: ...14...

Page 15: ...15...

Page 16: ...arning Details which if ignored could lead to fatalities or serious injuries Details which if ignored could lead to personal injuries or physical damage Precautions for using this product safely and f...

Page 17: ...d lead to unforeseen damage Select a product that matches the application Using a product for an inappropriate application will cause faults The Danger Warning and Caution labels indicate information...

Page 18: ...Rated current A 0 75 1 5 2 2 3 0 27 31 36 39 44 43 47 50 60 380 400 380 400 380 400 380 400 1 7 1 7 400 440 460 2 4 2 2 2 1 50 60 50 60 50 60 Total head m Mass kg 400 440 460 4 3 8 3 7 400 440 460 6 5...

Page 19: ...5 Mass kg 200 400V Type Type RCD 40AE0 75T4 RCD 40A B E1 5T4 RCD 40A B E2 2T4 RCD 40A B E3 0T4 Output kW Frequency Hz Quantity L min Rated voltage V Rated current A 0 75 1 5 2 2 3 0 27 33 38 40 45 48...

Page 20: ...over External fan Oil sesl Wave washer Ball bearing Terminal screw M4 Earth screw M4 Ball bearing Oil sesl Discharge casing Plug Cover Deflector Deflector Cover Screw Sleeve Bush Key Impeller Stage ca...

Page 21: ...4 Ball bearing Oil seal Discharge casing Plug Cover Deflector Deflector Cover Screw Sleeve Bush Key Impeller Stage casing Suction casing Liner ring Bolt Strainer Washer Snap ring Key Oil seal Spacer S...

Page 22: ...o verify the pump unit weight and the hoist method Do not attempt to hoist a pump unit that exceeds the hoist s rated load Incorrect hoisting can result in drops and injuries Securely install the pump...

Page 23: ...nge of a terminal box serves as special specification Depend on specialist on the site when a change is necessary The terminal box position can change a position every 90 degrees by rearranging a moto...

Page 24: ...ng wire to gas pipes water pipes lightning rods or telephone earthing wires Failure to earth the equipment correctly could result in electric shocks Confirm whether a wiring joint a connection departm...

Page 25: ...he insulation Do not use the product over the frequency 60Hz 50Hz only model is 50Hz when driven with an inverter Failure to observe this could result in the pump burning out or fires When operating t...

Page 26: ...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 repl...

Page 27: ...se More than 1M 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...

Page 28: ...level Piping loss is high Voltage is too low or unbalanced The bearing of a motor is worn out or damaged Viscosity of fluid is too high Installation defect The foreign substance is got blocked in the...

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