PS Magazine - MAY 1981
PS, The Preventative Maintenance Monthly
ISSUE 342
MAY 1981
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PRESTO,
A
sHIpMeNt
OF
±UBLiCA²io³´
CoMES
µf
bY ma¶·.
,³
36
When you hot
·
pilots time a Huey
engine start, accuracy counts. Guess-
ing won't hack it!
TM
55-1520¸210-10
says you should
not go beyond the maximum exhaust
gas tempErature shown in Fig
5¹º
for
more than
5
seconds.
±
If you do, a "hot
start²
can
Damage
internal engine
parts³
If
your
unit
has
not
ReceIved
these
messages, check wIth your next hIgheR
headquarters.
cH-47´81·01
SOF±
MaInt
NotIce
on
changes to op pRoceDuRes for CH-47wIth
T55²L³11 engInes ´µS¶S²MEA 051330Z
Jan 81
cH´47µ81¶02
Malnt NotIce
to
ma·nt
peRsonne¸ o¹ RevIsion to ºA ¶B 55²1520-
241²30²1 »nspect and RepaIR Rotary wing
heaD pRotectIve covers (RaInshIe¸Ds) CH¼
47A½ CH²476 anD CH¾47C ºµSTS-M¿A
071430Z Jan 81
cH´47.¸1´03
SOFÀ
¶echnIcaÁÂ
µCS
CSGLº²18Ã0Ä CH²Å7C one²ÆIme ÇnspÈt
¶55²LÉ11ASA engine vaRIab·e Ên·et ËuIde
vanes ¶B
55É1520É227²20²22
ºµS¶SÌ
M¿A 1314ÍZ Jan 81
cH¹º7»81¼½4
MaÎÏt
NotIÐÑ
to
ma·Òt
maximum
time
period ´r cranking the Engine is also
important
becausE
it
prevEnts
overheating of the startErµ
The aircraft cLock with its sweEp
sEcond hand; a wrist watch with a
second hand; a watch with a con¶
tinuous digital second
rEading¸all
will give you the right time¹
37
peRsonne¸ o¹ CH¼47 oveRhau¸ and RetiReÓ
ment
sched
chanËes
(CHÔ47²81²04)
ºµS¶SÕMEA 221820Z Jan 81
cH¶47¶81´05
MaÖnt
NotÖce
to
CH×47
useRs o¹ change to
Ø
MWO 55²1520²241Ù
30²4 ´ÚSTS²MEA 3021ÍZ Jan 81
cH¹¾¿81À01
MaInÛ NotIce to
ma·nt
peRsonne¸ on CH³54 taI· RotoR ba¸ancInË
pÜoceduÝes ºÚS¶SÞMEA 192Í0Z Jan
81
ÁH¹58Â81¼08
MaIn! ßotIàe OH²58A jet
assy b¸eeD va¸ve Remova· ´ÚSTSáM¿A
ÃÄÅZ
Jan â1
ÆH¹58¹81Ç2
MaInt NotIce oã OH²äåA
anD
C
taæ¸
çotoR ÜIËginË
instructèons
ºµS¶S×MEA 2éê840Z Jaë 81
aHÈ1¹81ÉÊ
MaÎnt NotIìe: íî¹o
Ën
AH²1
ground hand·Ing whee·s ºïSTS¼M¿A
0ðê5ÍZ F ñ 81
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