certain instances, to inhibit corrosion and/or remove
suspended solids, to alter the water’s tendency to form
scale deposits, or prevent growth of micro-organisms.
The normal maintenance program for the unit should
include periodic cleaning of the tube side (water side) of
the heat exchanger to remove deposits which enhance
fouling and corrosion.
Jfoverheating or lubricating/cooling fluid leakage to the
water side develops, remove the end caps and inspect
for scale and corrosion. If present, this is usually the
source of trouble. In the case of a closed system, the
entire system, cooling tower, cooler inlet and outlet
lines should be inspected and cleaned as necessary.
Except for obvious mechanical failures, the solution to
most heat exchanger problems lies at the point of use.
It is the user’s responsibility to provide the proper
quality of water and to keep the exchanger clean. No
heat exchanger made will resist plugging and corrosion
if the basic rules of clean water and regular
maintenance are disregarded. Warranty does not
cover heat exchanger failure due to plugging
or corrosion.
56
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