3-17. THERMO PLASTIC LINER (TPL) Continued
Install cover (4) on TPL layers assembly (3)
Holes on top of layers assembly are toward the front. On
the cover the top of the stitched "Y" seam is the front .
Prior to inserting the TPL assembly into the helmet
assembly cut two strips of paper wide enough to cover
the hook fasteners and long enough to extend at least
three inches outside the liner.