PS Magazine - MAY 1980
PS, The Preventative Maintenance Monthly
ISSUE 330
MAY 1980
The M198 Superhowitzer makes so
much noIse when firIng the Ml 19 or
M203 charge you need earPLugs ±Lus a
DH 178 heLmet to protect your ears.
The
DH
178
Is
a
commercIAL
heLmet, with no stocK number² You'³³
be issued
one
if
you're part of
a
Su±erhowitzer crew. Be sure you get
the commercIaL ±ub that goes wIth It.
I
has o±eratIon, ´M and parts Info.
Thereµs
a
rubber-covered
swItch
near the ³eft earpIece which, turned
one way, ³ets you hear prett¶ we·L.
Turned the other way, voIce sounds
are dampened out.
Noise swItch
work?
your ears.
12
The DH 178 Is a noIse he³met, not a
stee³ he³met, so don't throw away your
ot when you get
a
DH 178.
Keep your
DH 178
steel helmet
noIse helmet
-±²
The DH 178
¸
hE³¹s your ears. Your
nose, ³ungsº and
:
stomac» can a³so ¼e
affected by b³ast ½over
p
ressure when
the M203 charge is fired. ¾o heL±
the¿,
use
a
25Àft
³anyard
when
possib³e and stay no c³oser to the
wea±on than necessar¶ during fIrIng.
Fire ExtInguIsher Facts
CA.REFUL±
.•
!e
Sur²
TO MAKE
te RIGH±
cON³´Tion, -
Bµ¶·Yf
1³,´µ
¶·¸.¹º"»¼
S;½¾
¸
¿ÀÁ:ÂÃL!ÄÅ
Æ
¹º»¼½
ÇÈÉ
ÊËÌÍÎÏÐ
¾wo ÁifFere
±
t
kind
Ñ
of fI
;
d
Â
fIre extIngUIsÃer systems are used in these
vehIc³es and you canµt exchange eIther cyLInders or controL heads from one
system to the other. One system has 2 dIfferent contro³ heads. ÄIther one wiLL
work with its extInguisher c¶³Inder but not wIth the extInguisher c¶LInder used
wIth the other system.
The ÅMDÆ ca·³s c¶³inder NSN 4210Ç00À769À9779 an "exÈaustÉ item with
NSN 4210Ê00À910À9663 ³isted as Its rep³ace¿ent² ¾hIs Is a mIstake, but Itµs
being corrected.
Meanwhi³e, If the¶ send you NSN 4210Ë00Ì910Ç966Í as a rep³acement Îor
¶our NSN 4210À00À769À9779 CyLinder
_
ouµ³L have to order a dIfferent contro³
head.
H¾¿ ÀÁ tà ÄWÅ
4iÒ
-
ÆÇÈÉÊËÌ
/ -²
ÍÎXÏD ÐÑÒ ÓxÔÕÖG×ØshÙÚ
ÛÜÝÞß àáâ ãäå æçl
6yèéêMë ìíîd ïð ñòóô
õmbö÷øùúûüý þÿ ĀāĂ㥹Ćć
VĈĉÕĊċČ
±²
č
ĎďĐ đĒēĔĕĖė ĘęĚěĜ
ĝĞğĠ wġĕKĢ
ClInder
ÓNsN
42³0´µ¶·9¸¹º»6¼3
.i
³´
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