REMOVING A CMB

TB 1-1520-238-20-140

2.4

Removing a CMB permanently affixed to a component

Crystallize the Hysol® EA 9394 that holds the CMB to the component by using dry ice. This can be

2.4.1

accomplished by applying dry ice to the CMB area for 4-5 minutes. The adhesive should become

brittle.

2.4.2

Place an authorized blunt object, preferably a phenolic wedge, at the lip of the CMB.

2.4.3

Gently tap the blunt object to loosen the CMB, and eventually tap it free from the adhesive.

2.4.4

Discard the CMB.

2.4.5

Any metallic surface that is exposed due to the CMB removal should be treated with the appropriate

corrosion preventative compound.

2.5

Removing a CMB tag tied to a component

2.5.1

If a new component has a CMB tag and is to be installed, transfer all information from its CMB to the

CMB attached to its next higher assembly.

2.5.2

Cut the CMB tag strap and discard the tag.