MSA Cairns 880 Instrucciones De Instalación página 9

(4) Put the section of the chin strap with the QRB through
the outside of the bracket on the left side of the helmet.
(5) Connect both snaps. Make sure that the snaps are
closed tightly and the snap covers point outward, away
from your skin.
(6) With the section of the chin strap with the Postman's
buckle, do steps 4 and 5 on the right side of the helmet.
(7) Put the free end of the rear strap through the D-ring on
the rear of the helmet.
(8) Put the free end of the rear strap through the plastic
buckle on the section of the chin strap with the
Postman's buckle.
(9) Connect the hook-and-loop material.
MSA Cairns Helmets - Chin Strap Replacement Kits
Installation
US
9