Tam Cleaning Instructions 65m2j

TAM CLEANING PROCEDURE Probably the most important step of Penetrant Inspection is precleaning the part. This rule certainly applies to the test s you use. If your parts aren’t clean, you won’t find the cracks, and if your test s aren’t clean, you will not find the indications. Many times we get Tam s back from a customer who says they are not finding the number of indications they should. The first thing we do, before even questioning their processing steps, is clean the and test it. The majority of the time, after proper cleaning, all indications are visible. Below is the cleaning procedure we have found that works the best for cleaning Tam s. A.

Prepare 20% concentration (3 units on Refractometer) solution of Magna-Vu® cleaner (and heat to 140°F) in the ultrasonic unit

B.

Place face down (chrome plated side down) in basket. Clean s for at least 30 minutes with the Magna-Vu® cleaner solution at 140°F.

C.

Rinse for 90 seconds with a water spray at a pressure of 25psi. (5psi. tolerance), at approximately 18” from the , and the water temperature at 75°F (10°F tolerance). Note! For heavy duty cleaning skip to Step E.

D.

Dry s in drying oven for 20 min. at 140°F (10°F tolerance).

E.

For heavy duty cleaning … immerse s for 5 minutes in a solution of 100% CLR.

F.

Rinse s for 90 seconds with a water spray at a pressure of 25psi. (5psi. tolerance), at approximately 18” from the , and the water temperature at 75°F (10°F tolerance).

G.

Dry in drying oven for 2 min. at 140F.

September 2013

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