PART Typically replaced Comment
A Filter cover If damaged To Hold and protect the lters
B Spark arrestor When needed
Replace deformed or damaged to
protect the particle lter from sparks
and spatter
C Pre-lter
When needed, at least
weekly.
Regular replacement of the prelter
extends the life of the particle lter,
saving money while also increasing the
battery run-time
D Particle lter
When needed, at least
every month
Replace when particle lter indicator
becomes red. Otherwise, replace
whenever the battery operating time
becomes too short, or when the low
airow alarm is triggered by a fully
loaded lter.
E Gas lter
According to
predetermined
employer change-out
schedule
Smell and taste is not recommended
as a measure for determining when to
change gas lters.
F Odour lter
Change when
unpleas ant smell occur
Odour lter is not neccessary when a
gas and vapour lter is used
G Ado Battery When needed
Replace if the battery is no longer
taking charge to an acceptable level
H Battery charger If damaged Replace if any parts are damaged
I Breathing tube
If damaged or
contaminated
Use a breathing tube cover to extend
the life time or a rubber breathing tube
for use in heavy duty environments
Replacement table 3M
™
Ado
™
Powered Air Purifying Respirator
What is listed above are basic needs. For detailed instructions and guidance, always follow the user instruction.