Tsurumi PL Pumps - Manual (Page 19)

1.12 Troubleshooting
Before ordering repairs, carefully read through this manual, then repeat the inspection. If the problem remains, contact
your nearest dealer or TSURUMI representative.
WARNING !
ALWAYS turn off the power before inspecting the
pump. Failure to observe this precaution can result in
serious accident.
Pump will not start
Pump stops soon after
starting (Motor protector
operates)
Poor lift or discharge
capacity
Heavy vibration or noise
1. Power is off.
2. Power cable is cut or not
connected properly.
3. Impeller is clogged.
1. Impeller is clogged.
2. Low voltage.
3. Wrong power frequency.
4. Extended operation with a
clogged suction strainer.
1. Faulty motor.
2. Excessive sand is discharged.
3. Worn out impeller.
4. Sharply bent or clogged hose.
5. Suction strainer clogged or buried.
1. Damaged motor shaft.
1. Restore power.
2. Repair/replace the cable or fix
the connection.
3. Inspect the pump and remove
any debris.
1. Remove debris.
2. Provide the rated voltage, or make
sure the power cable extension is the
proper standard.
3. Check the nameplate, and replace the
pump or the impeller.
4. Remove debris from the suction
strainer.
1. Repair or replace the motor.
2. Place the pump on a block or other
base to prevent the sand from being
sucked into it.
3. Replace.
4. Straighten out any sharp bends.
Enclose the pump with a screen to
keep away debris.
5. Remove debris from the suction
strainer, or place a block under
the pump.
1. Contact dealer and replace motor.
Problem Possible Causes Measures
T SURUMI P UMP
1-15 PL
Notes:
PL 1- 16
T SURUMI P UMP