PS Magazine - OCTOBER 1983
PS, The Preventative Maintenance Monthly
ISSUE 371
OCTOBER 1983
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Missiles, rockets and moRtars
have fire control or other optical
equipment that needs special wintEr
care.
F'rinstance, most need preopera-
tion warm±ups to funcTion rIght.
Check your ²M's anD follow the
proceDures.
Some aiDs:
Before you move optics ³´om a
warm area into the colD, cover µem
up. Use your anti¶condensation
bags if your equIpment has them.
Or, wrap the· in layers of clothes
or blankEts.
WhEn you're reaDy to ¸ount and
use the optics, strip the layers off
one at a tIme. ²aKe a little tIme be-
tween layers.
Otherwise, the optics wIll cloud
and internAl Parts wIll rust from
moIsture.
Never breathe on optics to clean
or cLear them. ²hat'll gIve you in-
stant IcIng .
.. and a clouded lens
when you get the ice off.
Rockets
¹ocket launcher ignition time
changes in low tempºratures; re-
quIring sIght aDju»tments. ¼ara
2½3D(¾) of ²¿ 3½1055½456±12 on the
M202À¾
fills you In. ²M
9½1Á40½214±10 gives you Âub½zero
firIng limits oà service and practice
rounDs.
CHecÄ your ²M.
Åeep snow and Ice off launchÆrs.
Çf any gets onÈ wIpe the launcher
clean anD Dry.
Éf you have an antifogging kIt,
use it on the sight assembly lens.
Missiles
Às with rockEts, some mIs»ile
systems are not designed
to oPerate in sub±³reezing
temperatures.
ÊeaD your
²M. ²he section on
Operating Ënder Ënusual
ConDitions wiLl give
you the worD on
temperature ranges.
ÀsIde from
auto·otive anD fire
coÌtrol precautions,
·IssIle syste·s
neeD little otHer
wInter ¼M. Normal
¼M Íeeps them
goIng.
-±
Mortars demanD ¼M maTchED to
the colD.
•
Åeep the bore Dry. Åeep lubE
away from the firIng pIn.
•
Åeep ·orTar rouÌλ aT THE
same te·pEraTure as your weapon.
•
²o keep bIpoDs, tripoDs anD
baseplates from sinKIng IÏto thE
snow, use padDing unQEr
thEm.
Snow shoes unDer the froÌt poDs or
tree boughs under the baseplate Do
the job. Ëse whatEver's on hanÎ.
l·±
²
.
±
²·
³
$:
•
Çf you ·ust set up the base-
ÐLÑte on snow, coat the bottom wIth
waste oil. ²hat'll preveÌT pullIng up
a fÒot of Ice aftEr fÓring.
KEEp borE and pIn dry!
•
Check the bore for sÌow and
ice befÒrE you in»ErT a roÔÕDÖ
•
Åeep »now anD IcE o×× moVIÌg
Øparts.
•
Éf you movE yoÔr mo´TÙrÚ To a
warm arEa ×Ûr clEaÌIÌg, waiT aT
least a Half hou´ ÜEforE You clEaÌ
ÑnD luÜe IT wITh ÝÞ¼. ßàÙT Ùláow»
moIâture To »Eep ouT. ²HE ÜEsT
way To avoID moIsTurE I»
to keep ãorTars
unheaTeD shelTer.
JuSr A WEM±ND-
60d
.
Pm W²Ll
K³´p YOµ¶ w·a¸¹nº
»¼½¾¿ÀG ÁVÂà ÄÅ
THÆ ÇÈÉ Ê
WETl e (
49
´
Ë
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