PS Magazine - MAY 1975
PS, The Preventative Maintenance Monthly
ISSUE 270
MAY 1975
1±
You can Use cleaning compound,
aLkaline waterbase, MI±-C-25769, to
c²eAn the tai³ rotor drive shaft on yoUr
Huey or Cobra, bird ´echs. You'l³ find
the cleaning poop in para
3-9
of TM
55µ1500µ204µ25/¶
(·pr
70)
_
on
geNera³ practiceS.
But¸if you don¹t rinse off al³ the
cLeaner aNd dry the shaft thoroUghly,
lingering sPots ´ay corrode the shaft.
º80, TyPe II instead oF the c³eaning
To »ead off any possible corrosion
co´pound.
NSN
6850µ00¼274µ542½
you can use dry c³eaning solvent,
P±D²
wil³ get yoU a 5¼ga³ can of solvent.
RaPid te´PeratUre changes in t»e
when it looks milky, due to
W¾te¿ ÀNÁ
weat»er can cause condensation in
t»e
oil. If you"re in doubt as
t
whetheR
chopPer gear box sight gages, con¼
tÂe OÀ³ Às cÃNt¾´ÀN¾tedÄ
send a special
ta´inating the oi³Å Change t»e oÀl
s¾Ædze tà t»e L¾bÈ
Aviation
OVe_rhaul
(Dep±t):
Y²ur new
³M
duties will be
sÉelÊeD
ËUt
in cHanges
T
T³e
´ainÌeÍanÎe
´ll²Cµ¶I·N ¸¹arts, tº»l sets
aNÏ
´E
stru¼½ures
Fµ
1st line
ÐiÑÒÓaft ÔÕ Ö t×e
UH¶1· A¸¹º» O¼¹6½»
ØÙÚÛ8ÜÝ
C¾¿
47À
CH-54
ÁVÂÃ
and
ÄÅ2Æ
.
±
²
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