PS Magazine - SEPTEMBER 1972
PS, The Preventative Maintenance Monthly
1972 SERIES, ISSUE 238
SEPTEMBER 1972
CHAPARRAL MPU
±
SAVE
THE BeLlOWS, FElLOW
A short pauSe in the OFF PosItIon can
AnothEr ±oInt on the M²U: ³hut It off
save your M²U a cracked bellows any
when the tracK's moVIng, or the sway of
tIme you switch modEs of ±ower control. the VehIcle wIll PreVent ±RoPer L´BE of
µIke so:
The maIn Power unit in the
the M²U .
.. aNd ca¶se damage. Again,
rear
of
the
Cha±aRral
mIssIle system's
keep
the AUTO-OFF-MA·
switch
In
launchIng statIon sho¶ld comE to a com¸
OFF ±osItIon.
±¹eºe sto± when you're switching from
automatIc
to
manual
control,
or
vIce
versa» Otherwise, you cause BackfIre .
.»
whIch cracks
the
belLows and
seºs
u±
M²U re±air.
³o,
when
fLi±±inG
the
±rime
±ower
switch on the master contro¼ ±aneL from
AUTO to MA· or MA· to AUTO, kee±
the switch in OFF ±osItion long enough
for the M²U to come to a com±lete sto±
»»½ anD then go on to the other swItch
±osition»
28
on the ¼eft side of the ºrack Is the fire ex¾
ting¶Isher handle for the M²U. ¿t s±rays
foam all over the M²U comPartment» ³o,
don't PulL it .
.. unless the M²UÀs on fire»
I
I
I
³peed
is
ImpoRtant
In
a
ChaparraL
mISsIle system tIme tRIal,
b¶t
not so im-
·
P¶t down .
.. anÁ the whoLe rIg goEs to
±ortant as
to
permit Âamage thro¶gh
overÃeager hands.
µIKe wIth tHe wINg ScrEwS Äor thE flat
and roLleron wIngs .
.. es±ecIally as usEÂ
wIth the M30 traIning missile»
Åo easy on the tIghtenIng of the wIng
screws. The screws at thE aft eNd of the
flat an rolleron wings sho¶ld be torqueÂ
to 1Æ INÇlbs, pL¶s or mInus 10, as s±elled
out In TM
9-140-5²5-1³.
EASY ON
THOSE WInG
SCREWS
the machIne Shop to geÈ the screw out.
That, of course, saves No tIme at all.
AnotheR tIme when patIEnce payS Is In
removIng thE umbIlIcal cabLe
befre
yo¶
offÉload the M30 from tHe raiL. ¿f yo¶
don't fIRst ÂisconnEct the cablE, yo¶ caN
Shear the ¶mbilIcal asSembly.
ÅettIng at the connEctor is a chore, but
it's woÊth the effort. To help in geËËIng It
off, p¶sh in on the connectoR rINg to reÌ
¼ieve the pressure, an then twIst to the
lÍft. You may Îhave to do It several tImes
before you free it.
Ïf you somEhow buNg up thE cable conÌ
nectÐr
rIng,
you've got
to
repLace thE
umBIlical caBle assemblÑ.
´µ
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