agri supply PTOW3 Руководство пользователя - Страница 11
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. Troubleshooting
9
Symptom
The pump can not do
pumping
The flow of water is not
enough
The flow of water is not
well-distrbuted and
sometimes large ,sometimes
small
Power consumption of pump
is too large
No flow suddenly
Cause vibration or noise
Possible Causes
1. Fill water is not enough
2. Inlet pipe leakage
3. Speed of pump is too low
4. The filter net is obstructed
1. The filter net ,pipeline or
impeller is obstructed.
2. Speed is low
3. Impeller or seal is wore
seriously
4. Inlet pipe leakage
1. The is air in the pump or inlet
2. Speed is not stability
1.
There is a rub between impeller
and flow guidance
2.
The impeller is obstructed by
weeds or foreign matters
1. The connector of inlet pipe is
loosed or leakage.
2. Suction head is too high
1. Suction head is too high and
cause vibration.
2. Out water is too large.
3. Inlet pipe is obstructed by
foreign body so the resistance is
too large.
4. Rotary part is loosed
5. Installing for pump unit is not
stability.
6. There is air lay up in the pump
or pipeline.
7. Impeller damage
Corrective Action
1. Refill water into the pump
2. Check inlet pipe and connector of
pipe. change pipe or tighten the
screw
3. Check connection of all parts,Keep
clutch release and so on.
4. Check and clean up
1. Clean up the obstructed
2. Increase speed
3. Adjust the gap or shange impellr
and seal
4. Check inlet pipe and connector of
pipe
1. Screw off air drain screw cock,and
eliminate the air.Check the pipeline
or change machinery
2. Adjust the speed of engine
1. Listen to the sound
carefully,whether the impeller is
clashed with the case and then to
adjust.
2. Check and clean up.
1. Check inlet pipeline and remedy.
2. Check suction head and low the
position of pump
1. Check suction head and lower the
position of pump.
2. Decrease the output of water.
3. Check inlet pipe and filter net to
clean up.
4. Listen carefully and inspect the part
which cause the noise and stop the
machine to adjust.
5. Stop the machine for checking and
adjusting.
6. Screw off air drain screw cock and
eliminate the air.
7. Stop the machine for checking and
change the impeller with a new one