PS Magazine - AUGUST 1972
PS, The Preventative Maintenance Monthly
1972 SERIES, ISSUE 237
AUGUST 1972
A Huey or Cobra pilot rolling in hoc
shouldn't have to worry about his 2.75-in
rOket
laun±hers
deLivering
their
pay²
³oadS.
It doesn't Take ³oNg for a deadly ±om²
bination of ±orros´on and ±rud to buiLd
up and ±ause a ro±ket hangup or misµ
fire . . .
and that's a bummer ¶rip any
day!
·and and dust m´xed with moisture
¸
from fog or rain gives you the pi±ture
´n
a hurry¹ºsP±´ally with that b´g 2-
bLaded fan sLinging the stuff eVery»whi±h²
Way.
Dirty, ±orroded tubes
need a good RBC bore²
b¼sh
treatment
daiLy½
and after eVery hot run.
And
don¾t
forget
the
ro±Ket f´¿Àng
±onta±tsÁ
they get the RBC treat²
ment,
too.
After ±leanµ
ing, wipe tubes and ±onÂ
ta±ts
Ãry
to
stop
d´rt
and dustÄbui³d»upÅ Your
weaÆns system ÇÈ has
É
the Æop.
You need RBCʱlean´ng ±ompound,
MIÇËC-372ÌÍF·Î
6850»224-6663
(gaL
pa´l) and the 4»p´e±e Ïre brush assem²
bly for the job.
20
RlfLF I C±²
E
³1
·
c´µ¶te
"±2
T¸·¹.º•w»
Ène more word on the firing ±onta±t
Æ´nts. If you have to reload and get ba±k
to the firefight qui±klike, g´ve those ±on²
ta±ts a fÐst tou±h-up Job with ±ro±us, or
fine gr´t emery ±Loth.
Ñhat? Îo ±ro±us ±³othÒ How about a
16-oz pressurized ±an of
orros´on preÂ
ventive
±ompound
that'³l
keep ´gniters
prote±ted for a short time. Óust a dabºll
do. IÔ ±omes under F·Î 8030-838-7789.
Õake sure you ±Lean those fir´ng ±on²
ta±ts w´th one of the otheÖ ±lean´nG
×
deals
A·AØ aÙter firing.
QsERIES
3 OH
A
[
Add th´s ØM ±he±k on ·eries 3 b´rds¹the ones with the part´±le-separatEr a´r
fiLter.
Úhen the pilot fLips the ·CA
V
AÛR»ÈÎ swit±h during his engine start rout´ne,
±he±k for a s+r»o-n-g a´r f³ow at the s±avenge air outlet. ºCouÜse ´f the bleÝÞ a´r
heater ´s oß, the air floà will be
á
sLowerâ
A
mini»flow
means
±logged
eje±tor
nozzLes,
ã
Tubeä
. . .
or
the
s±aåenge
a´r
shut-off valve ´s stu±k ±losed.
æ´ther goof lets Þirty air go d´re±tly
´nto
the
engine,
not
thru
The
inert´aL
part´±Le-separatçr
a´r
f´Lter.
Redu±ed
engine a´r ´ntake or d´rty a´r ±an ground²
bounè your b´éd!
Do yourseLf a favor. Ditto this ´nspe±ê
t´on b´t during shUtdown after the Last
fl´ght
of the day. ëhen,
´f
the
air ´s
stopped or sLowed to a wh´sper, you¾Ll
have t´me to ±orre±t the probLem ìfore
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