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TROUBLE CAUSES COUNTERMEASURES INSPECTION & CHECK POINTS
Liquid leaks. Bellows are damaged. 1 Replace pump head. a Check if supply air pressure is
within the specification.
b Check if pump stroke speed is
within the specification.
c Check if liquid temperature is .
within the specification.
d Check if residual pressure is
removed upon pump stoppage.
e Check for narrow and long air
piping.
f Check for restricted suction pipe.
Excessive air
consumption.
Wear of shaft packing. 1 Replace packing.
Excessive vibration
or noise.
Pump stroke rate is
excessively high.
1 Set pump stroke rate within the
specification.
a Lower supply air pressure or
reduce air flow.
Iwaki America Inc.
5 Boynton Road Hopping Brook Park Holliston, MA 01746 USA
TEL: 508-429-1440 FAX: 508-429-1386 www.iwakiamerica.com