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11
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⑦
Operation
■
Notes on Operation
1
Dry running is strictly prohibited. This will damage the inside of the pump.
2
The pump should not be operated with closed valves. If this happens, the bearing
will abnormally worn away.
3
In case liquid which solidifies or causes precipitation is handled, the pump should
be flushed clean when it is out of operation.
4
In cold weather, the pump should be kept warm so as not to be frozen.
5
When operation is restarted after having been stopped for a long time, the same
points as in starting up should be confirmed.
■
Starting up
The following items must be checked when starting up the pump.
No.
Item
Remarks
1
Confirmation of piping,
wiring and voltage
● Confirm piping and electrical wiring,
referring to descriptions in piping and wiring
sections.
● Confirm that power voltage is appropriate.
2
Confirmation of valves
● Valves on suction side and discharge side
should be fully opened.
3
Confirmation of liquid
in pump
● When S type pump is used for suction lift,
prime pump sufficiently. T type pumps cannot
be used for suction lifting. Fill piping with
liquid before starting operation.
4
Starting up
● After confirming items 1~3 above, start
operation.
● During operation, watch for items listed in
following section.
