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Maintenance
3. Drainage
No drain port is provided to this pump. See drainage procedure
below.
WARNING
● Turn off power before work.
● Always wear protective clothing such as safety gog
-
gles and protective gloves during pipework or dis-
mantlement.
CAUTION
● A liquid flows out when detaching a pipe from the
pump. Be careful not to wet electrical parts including
a motor.
● Do not drain a harmful chemical liquid directly on
the ground or the floor. Always use a container.
● Do not wet the motor that is not dust- or water-proof
with chemical liquid. Do not power on the motor
once the pump has got wet.
* Dilute and flush out harmful liquid before removing a pipe.
■
Procedure
1. Turn off power. Make sure no one
turns on power while working on the
pump.
2. Close a discharge and a suction valve
fully. Open a drain valve to empty
the pump. Note liquid can not be
removed completely through the
drain valve.
3. Place a container under the pump and
then remove a discharge and a suction
line from the pump.
CAUTION
Be careful not to get wet with chemi-
cal liquid.
4. Unfix and take out the pump.
5. Direct the inlet downwards to run off
liquid in a container.
Discharge
valve
Suction valve
Drain valve
