under visor. Beginning at one end and working around the frame,
snap the cassette onto the visor. For the fabric cassette, ensure that
elastic ends are looped around the headband pivot so velcro can be
attached to the inside of the fabric. The cassette should be replaced
whenever there are any signs of damage or build up of dust and dirt.
Recharging Batteries
Detach motor lead and plug the output lead of the charger into the
battery socket. Switch on mains and check that the LED indicator is
lit.
Storage
Place equipment in storage bag (14) when not in use. Keep away
from direct sunlight, solvent vapours and active electrical apparatus.
Note
Advice for maintenance of respiratory protective devices in
Australian conditions is given in extenso in AS/NZS 1715.