PS Magazine - SEPTEMBER 1972
PS, The Preventative Maintenance Monthly
1972 SERIES, ISSUE 238
SEPTEMBER 1972
1\
'Specially If you Use a powered wrench
Co speed Up lOAdIng ammo drUms on the
HUey±obra (²H-LG).
EveN durIng a hot lOad jOb, FOllow the
slowpoke loadiNg poop In para 2-21, TM
9³1090³203-12 ´²pr 70) for M28/M28µL
sUbsys¶ems, anD para 2³14, T· 9³1005³
257³¸2 ´¹ov 67) forM18/ML8²L jobbIeº»
¹ever
¼
electric or pneuma½ic
powered wrench tO loaD 7¾62-M· or 40³
MM ammo¿ YoUÀll Break the ammo feed
sprockets, bend the amÁo shafts or tear
up the gate asseÁblIesÂto men¶ioN a few
oF the things thatà could happen¾
16
Ähat's where speed puts you behInd,
'cause sUch hIgh-powered shenanigans
Áean dowNtiÁeÅand scratched mIssions.
HÆving problems wIth the straIght
headÇess pIn oN the hand³loadIng adapter
7.62-MÈ ammo magazIne as-
MaKe sUre It's the righ¶ oneÅP/¹
MS39086³¸4É, ÊS¹ 5315-8É2-4658. ±Ould
Be soÁeoNe replaceD It wIth a naIl, steel
sËrIng pIN, or cotter pinÂanD these
"FielD fixesÌ donÀt hack i¶!
-±
·
.
\
±
r-
)
(
1±·:²!³´µ¶¸¹º»¼½¾¿ÀÁÂÃÄ
•
o
Boresighting
Í.Î5-
Å
;±
c
k
t launchers on the
²ÏÐLÑ Òan be a bOre, if yOu go abou½
\
it the wrong way.
LIke maybe you're tRying to center the protractor bubble durIng the up-down
launcHer leveling scene by turnIng the
2
suspension lugs: ±t can't be done that way!
SoMe launchers even have an extra long suspension lug at the
reaR.
This
ÓÔg
does
not ease the boresIghtIng chore²
Never adjust launcher elevatIon by using the suspensIon lugs.
Use
Í
³hort lugs, FSN
1ÕÍ5ÖÉ83-5Õ×Õ, ØÙ33É4Ú
Be sure they're straIght, Dean and
have burr-less threads² Bot´ lugs get the same adJustMent on the launcherµJust like
you see in Fig
4ÛÜ, ÝØ 9ÛÉ×Þ×ÛÍ×Õ-ÉÍ (²pr Î×ßà
When ready to zero In on the boresight crosshairs, eyebal¶ para
4Ö8
of the
pub
·Or guI¸elInes¹ Now open the pylon fairIng coversº
For an Inboard Mounted launcHer, do the elevatIon bit by turnIng the clevis tie rod»
¼f you're PM½erIng an outboard Mounted launcher, turn the rod end clevIs nut.
'Course, for tHe boresIght finale, a¸just the sway brace bolts for right
and
left
azImuth²
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