© Copyright, Core Protection Systems Ltd, 2021
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6.
Cover filter openings with your hands and perform a fit check. For fit checking procedure,
please see section 3.1.1.3.
Step 2 – Doffing
1.
Remove head cradle/harness for temporary removal.
2.
OR remove neck straps for temporary removal.
3.
For full removal, release the head cradle/harness and then unlock the neck straps.
Locking the mask into position
1.
To avoid refitting after each donning, lock the straps in place.
2.
Open the front cover of the mask and secure the strap under the locking tabs.
3.
Ensure tension in the straps above and below the oronasal in balanced and tug the straps
both above and below the front cover to make sure the locking was successful.
4.
Repeat the process for both sides of the mask.
3.1.1.3 Fit Checking your Half Mask
The fit checking process for your half mask. A fit check should be performed each time you don your
mask.
Instructional video:
https://vimeo.com/corpro/fit-checking-your-half-mask
Pictorial instructions:
Written instructions:
1.
Don your mask. For the donning procedure, please see section 3.1.1.2.
2.
Place the palm of your hands over the outward-facing openings on the filters.
3.
Inhale and hold your breath for ten seconds to check the seal against your face. If fitted
adequately, the inhaled breath should cause the mask to press against your face and this
