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Maintenance
3. Wear part replacement
CAUTION
● Turn off power before work
Risk of electrical shock. Be sure to turn off power to stop the pump and related devices
before work.
● Do not touch the pump or pipe with bare bands
Risk of burning. The surface temperature of the pump or pipe gets high in or right after
operation.
● Wear protective clothing
Always wear protective clothing such as safety goggles and protective gloves during
pipework or dismantlement.
Do not get wet with dripping residual liquid in disconnection.
■ Before dismantlement
a. Turn off power to stop the pump. Then start to remove wiring including an earth wire.
b. Remove the pump from plumbing system and for the convenience of dismantlement.
Summary of Contents for APN-450
Page 17: ... 15 Installation 1 Before installation 16 2 Installation Tubing Electrical wiring 19 ...
Page 24: ... 22 Operation 1 Before operation 23 2 Pump operation 23 ...
Page 26: ... 24 Maintenance 1 Troubleshooting 25 2 Maintenance Inspection 26 3 Wear part replacement 27 ...
Page 34: ... 32 ...
Page 35: ... 33 ...