Tighten nipples, hose band,
etc. on the suction side.
Clean the strainer.
Stop the operation immediately.
Lower the total head.
Fill the pump with the priming
liquid.
Straighten the hose.
Replace the carbon brush
with a new one.
Make a correct connection.
Replace the cord.
Replace the fuse.
Replace it with a new one.
Repair the motor.
Air is drawn from the
suction hose.
Foreign matter is clogging
the strainer.
No liquid in the tank.
The total head is too high.
No priming liquid in the
pump.
Hose is folded.
Carbon brush is worn
out.
Incomplete connection to
the battery.
Disconnection in the
power cord.
Fuse is blown out.
Carbon brush is worn out.
Motor is detective.
TROUBLE SHOOTING
1.
The liquid
is not
l
ifted while
the motor
rotates.
2.
Discharge
volume is
small.
3.
Pump does
not rotate.
Cause Corrective Action
12
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