PS Magazine - TB 43-PS-575
PS, The Preventative Maintenance Monthly
ISSUE 575
OCTOBER 2000
he Army did some checking after
news stories reported that 50 percent
of its M40-series and M42-series masks
were defective. Turns out the masks
weren’t defective–it was lack of PM
that was causing the problems. Too
many soldiers and NBC NCOs weren’t
cleaning and checking their masks.
M40/M42-Series Masks.
..
Side voicemitter
: Look for
the four bumps. If you do not
see the bumps, the voicemitter
is installed incorrectly. No
bumps mean the voicemitter’s
in backwards and the mask can’t
protect you. Reverse the
voicemitter.
Try tightening the voice-
mitter’s retaining ring. A loose
ring can cause leaks. Tell your
NBC NCO about a loose ring.
Headharness
: The crosspiece
should face out. If it’s reversed,
it rubs your head raw. Gently
stretch the headharness straps
to
see if they snap back. If they
don’t, tell your NBC NCO. The
headharness won’t keep your
mask snug.
Crosspiece
faces out
When it came time for inspection, the
masks flunked.
Do you want your mask to be ready,
whether it’s for an inspection or for
a chemical emergency? It’s simple.
First, do all the PMCS in your mask’s
-10 TM. Second, remember these
pointers:
PS 575
41
PS 575
40
OCT 00
oh, no,
connie, i'm a
failure
! what
am i going
to do?
what you
need is a
refresher
course
!
hmmm.
..
interesting
.
Harness still
have snap?
Look for
4 bumps
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