Milnor 48040H7R, Maintenance Manual, Page: 20 / 85

Chapter 2. Safety
PELLERIN MILNOR CORPORATION
2.2.1.
How Chemical Supplies Can Cause Damage
2.2.1.1.
Dangerous Chemical Supplies and Wash Formulas
—Some examples that can
cause damage are:
• a very high concentration of chlorine bleach,
• a mixture of acid sour and hypo chlorite,
• chemical supplies (examples: chlorine bleach, hydrofluosilicic acid) that stay on the stainless
steel because they are not quickly flushed with water.
The book “Textile Laundering Technology” by Charles L. Riggs gives data about correct
chemical supplies and formulas.
2.2.1.2.
Incorrect Configuration or Connection of Equipment
—Many chemical systems:
• do not prevent a vacuum in the chemical tube (for example, with a vacuum breaker) when the
pump is off,
• do not prevent flow (for example, with a valve) where the chemical tube goes in the machine.
Damage will occur if a chemical supply can go in the machine when the chemical system is off.
Some configurations of components can let the chemical supplies go in the machine by a siphon
(
Figure 1 ). Some can let chemical supplies go in the machine by gravity ( Figure 2 ).
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