4.9.2.1 Detailed Procedure: (Continued)
b)
To remove slime or mud, use a composition containing silicates (free caustic soda with resin and
mixed base soaps), 6 ounces per gallon of water. Warm this solution and circulate through the tube
until all slime and mud have been removed.
c)
Prepare a 15% by volume solution f
or descaling by diluting a properly inhibited muriatic acid type
product with water. This is accomplished by slowly adding a pint of the acid to 3 quarts of water.
WARNING ------------ WARNING ------------- WARNING
THIS SOLUTION IS AN ACID !!!!!!! THEREFORE, BE SURE THAT THE ACID IS SLOWLY
ADDED TO THE WATER, DO NOT PUT WATER INTO THE ACID!!' THIS WILL CAUSE
SPLATTERING AND EXCESSIVE HEAT. WEAR RUBBER GLOVES AND WASH THE
SOLUTION FROM THE SKIN IMMEDIATELY IF ACCIDENTAL CONTACT OCCURS. DO NOT
ALLOW THE SOLUTION TO SPLASH ONTO CONCRETE
.
d)
Fill the tubes with this solution by filling from the bottom.
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