PREPARING THE C420 PAPR FOR USE
2
. Inspect the gray gasket
in the breathing tube
inlet. If gasket is dam-
aged or missing,
replace the gasket (P/N
B
-10022-001).
3. Attach the breathing
tube inlet to the blower
outlet connection and
snugly hand-tighten.
Attaching the Breathing Tube Assembly to the
F
acepiece
1. Remove the green plug from the breathing tube outlet.
D
o not discard the plug. The plug will be used when
storing the breathing tube.
2. Attach the breathing tube outlet to the facepiece inlet
connection and snugly hand-tighten using the hand-
wheel.
The handwheel on the breathing tube must rotate eas-
ily. If debris has stopped the handwheel from rotating
easily, the faceseal could leak if the breathing tube
gets moved while on the user’s face. Failure to follow
this warning can result in serious personal injury or
death.
The C420 PAPR is now ready for use. The user must fol-
low the donning procedures before actual use of the res-
pirator.
12
TAL 706 (L) Rev. 2 - 10072074
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