7800 - Disassembly
© 3M June 2006. All rights reserved.
16) The 7893S is the Head Strap Assembly.
The head straps should be
replaced when they are ripped, worn, cut or damaged. To remove the
head straps:
a. Push the strap buckle away from the locking tab.
b. Remove the head strap from the facepiece.
17) The 7884 is the Lens.
The lens should be replaced when it is cracked,
crazed or difficult to see through. To remove it:
a. Loosen or remove the two screws on either side of the lens with a
Phillips head screwdriver.
b. Remove the top and bottom lens frame and remove the lens.
c. Carefully remove the lens from the faceseal.
