IWAKI PUMPS Hicera V Series, Instruction Manual

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Operation
■ Daily inspection
See the following check items in operation. On detection of abnormality, stop operation immediately. Take
measures referring to the item "Trouble shooting".
No. States Points to be checked How to check
1
Pumping • If liquid is pumped. Flow meter or
visual inspection
• If discharge pressure/ suction pressure is normal. Check specifica-
tion.
2
Noise and vibration • If abnormal noise or vibration occurs. They are signs
of abnormal operation.
Visual or audio
inspection
• Place a rubber plate beneath the pump base to reduce
noise or oscillation as necessary.
3
Air ingress from pump
head joints and a suc-
tion line • If leakage occurs. Visual inspection
• If pumped liquid includes air bubbles, check lines for
leakage and retighten as necessary.
4
High surface tempera-
ture of the pump and the
motor • Pump surface temperature gets higher along with liq-
uid temperature.
Touch or use a
thermometer
• Motor surface temperature should be 40ºC higher than
ambient temperature, or below.