Reassembly procedure
The reassembly procedure is the reverse sequence of disassembly.
NOTE:
After completing reassembly, do not forget to pour the specified amount of
oil into the pump.
The gaskets and O-rings must be replaced with new parts. Also replace
any parts that are worn or damaged.
Using a clean rag without oil, wipe the sliding surface of the mechanical seal. Apply oil to
the outer circumference of the cushion rubber to facilitate insertion.
NOTE:
For further details on how to install the mechanical seal, refer to the
that is sold separately as a spare part.
After installing the impeller, and after completing the reassembly, check that the impeller
rotates smoothly and that it does not come in contact with the diffuser.
To make sure that the pump operates normally, perform a trial operation before placing the
7. Trouble shooting
Personal injury hazard. Troubleshooting a live control panel exposes
personnel to hazardous voltages. Electrical troubleshooting must be
done by a qualified electrician. Failure to follow these instructions will
result in serious personal injury, death, and/or property damage.
Always disconnect and lock out power before servicing to prevent
unexpected startup. Failure to do so could result in death or serious
Read this operation manual carefully before requesting repair. After re-inspecting
the pump, if it does not operate normally, contact the dealer from whom you
purchased the equipment, or the
Solidpump sales office in your area.
Symptom Cause Countermeasure
Pump fails to start
No power is supplied (i. e. power outage)
Contact the electric power company or
an electrical repair shop.
Open circuit or poor connection of
Check if there is an open circuit in the
Automatically control faults ( control panel)
Check the reason and then ask experts to repair
Impeller is obstructed
Inspect the pump and remove the
Pump starts but
stops immediately,
causing the motor
protector to actuate
Impeller is obstructed
Inspect the pump and remove the
Voltage drop
Correct the voltage to the rated
voltage, or use an extension cable that
Failure round thermal protector or
replacement or adjustment
A 50 Hz model is operated at 60 Hz.
Check the nameplate and replace the
The strainer is obstructed and the
pump was operated dry for long hours.
Remove the obstruction.
Repair the motor or replace with a new motor.
The pump is picking up too much
sediment.
Place a concrete block under the
pump to prevent the pump from
and pumping
volume is lower.
The impeller or suction cover is worn.
The hose may be kinked or clogged.
Minimize the number of bends in the
hose. (In an area with a large amount
of debris, use the pump in a meshed
The submerge depth of pump is too
shallow, there is air inhalation
Adjust the submerge depth until the
Check if the gate valve is open
The strainer is obstructed or buried.
Remove the obstruction. Place a
concrete block under the pump to
prevent the pump from picking up
The motor rotates in reverse.
Interchange the power supply terminal
The pump generates
noise or vibration
The bearing of the motor may be
damaged.
To replace the bearing, contact the
dealer from whom you purchased the
equipment or the Solidpump
sales
The shaft is bending
correct or contact with the nearest
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