Master Pumps MPG7HP24, Оригинальное руководство пользователя

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Malfunction Possible cause Elimination
1. The pump does not
discharge any liquid at
all or only a small
quantity, engine is
running. 1. Not enough liquid in the pump.
2. Leakage in the intake line.
3. Selected motor performance too
low.
4. Filter at the inlet of the intake line
is clogged.
5. Intake line is clogged.
6. Pump wheel is blocked by foreign
matters.
7. Suction height and/or discharge
height too high.
8. Mechanical shaft seal is defective.
9. Pump wheel is not properly
seated.
10. Pump wheel is damaged.
11. Motor is not running smoothly.
1. Fill pump housing through
filling opening with liquid.
2. Check intake line and its
connections. If required, seal
connection parts of intake line
with Teflon tape. Replace
intake line if it shows damage
which cannot be repaired.
3. Increase motor
performance.
4. Clean filter.
5. Clean intake line.
6. Remove foreign matters.
7. Modify the arrangement so
that the suction height and/or
discharge height do not
exceed the maximum value
any longer.
8. Replace mechanical shaft
seal.
9. Arrange pump wheel
properly.
10. Replace pump wheel.
11. Contact customer service.
2. Vibration or loud
noise during operation. 1. Suction height and/or discharge
height to high.
2. Intake line and/or pump wheel
blocked by foreign matters.
3. Instable installation.
4. Unit is not standing firmly.
5. Pump wheel is damaged.
6. Other technical defect.
1. Modify the arrangement so
that the suction height and/or
discharge height do not
exceed the maximum value
any longer.
2. Remove foreign matter.
3. Stabilise the installation.
4. Arrange unit firmly.
5. Replace pump wheel.
6. Contact customer service..