PS Magazine - MAY 1986
PS, The Preventative Maintenance Monthly
ISSUE 402
MAY 1986
AH-1 Series .±±
Just because yoUr Cobra's 20-MM cannon is not fired verY often is no
reason to Ignore it, bird mechs. That cannon is no different from other
systems whEn It comes to maintenance±It needs regular attention²
Keep the cannon in top form by pulling PMCS lIke it says in Section
II,
Chap 3, of TM 9-1090³206-12. Lube it like the LO says.
Be sure you Give the annular bearIng behind the retaining ring of the rotor
assembly a good coating of
GIA.
While you're at it´ make sure the retaining
ring is seated properly. That's what keeps grease in and dirt out.
²
-±·²
-
How aboUt that! µhe aircraft head¶
shed says to extend the 90·day Inspec¸
tIon and rep¹acement of CH³47º
batteries to 120 days»
A
change to
¼equence
i
of Calender ½nspectIons/
Maintenance Actions on Page 1³289
of TM 55¾1520³240³23³1 wi¹¹ have
thIs Info bUt the headshed says to
move oUt on It now¿
1-92 ±NSPECT±ON
(ContInuEd)
1²92
Calendar lnspAcLlon!MalntenancA ³ctions
SEQ.
NO±
\
FReQUeNCY
/
INSPECTION reQUIrEMENT
1.
97
RemovE battery fo± inspEctIon and serVIcEab²lILy bench chEck. (REfEr to
Tm
11
´
6140
µ
203¶14¸2
and
Tm 1¹
º
¹520
¶
240
»
20
¼
)
½
12
months
WeIght chEck EngIne ³²rE Ext´nguµsher system bottlEs
¶
·nspEct bottlEs for
AVIATION MESSAGES
¾¿À Á EIR
phone
¿UÀOVON
6³3´µ066
(µ4 hours)
ÂÃ
your unit has noT received A
meS±agE. you haVe an lntereSL In,
check w²³h yourNex1 h´gheR head-
quarµeR¶·
AH-64-86²01,
SOF, Emergency±
Verification of steel pin installa-
tion in SPADS1 ²22²40³ Jan 86´
CH²54²86²01³
SOFµ Technical¶
One·tiMe and recurring inspection
o¸ input couplings¹ 22²500Z jan
86.
MaY8¶
OH·´8A²86µ01³and
OHº6Aº86»0²
SOF¼ ½aintenance ½andatory
'
Revision to ins¾ecLion of the T¿3À
ÁÂ700 turbine engine compressor
on
All
OH
³
SB
Á and OHº6AÃ Ä Å0300Z
jan 86Æ
SOU¶AH¸1²86¹01º
SOUÇUHÈÉÊ86Ë
0²Ì ÍdapterÎ Ïeaction torqueÐ rotor
Ñead mast nutÒ NSN Ó²20Ô00Õ6²9Ö
9×Ø6à PN ÙD2660Ú 2320Û0Z jan
86Ü
·¸
SOUµUH-&oA»86¼1½
AiÝraMe eye-
bolL PN Þ0209ß02²36à²02á âÅ2330Z
jan 86ã
MIMµUH»BoA¾8¿-Me²01º
Beäyllium
co¾per droop stop health hazardså
2â203ÓZ æan 86ç
mIM»UH²60AÀ8ÁµMeÂÃ2Ä
Pitch horn
èetireMené liêeë 232030Z jan 86ì
MIMÅGeNÀ86²MeÆ01³
Hysol epoxy
aíhesive EA 9â09à NSN 80î0ß0²È
0²2ïðØ49ñ 08²900Z jan 86ò
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