PS Magazine - APRIL 1986
PS, The Preventative Maintenance Monthly
ISSUE 401
APRIL 1986
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HI SMi±Y! hOW(
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ARMY GrOUND aCcidEnT
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Prevent Damage to Rotor Hubs
The lightning protec-
tion jumper wires on
fibergLass rotor bLades of
C anD
Ý
model Chinooks
±an
damage the rotor
heads.
The wires are
moun²eD on ²he Leading
eDge of the bLades and
±ons²antly strike the
shotpeen finish of the
bLade Lugs and outboard
hoUsing areas³
The headshed says you
±an prote±t those areas
of the rotor hub between
the jumper wire connec´
²ions wi²h pressure senµ
sitive ²ape, NSN
7Þßà-
àà-à74-Þß24á
Check the
tape after each fLigh² and
repLa±e i² if it has become
Loose or worn through¶
CH-47D Droop Stop
Fix
Para
Þ-Þ2
of TM
ÞÞ-ßÞ2à-24à-23-4
leaves you hanging when you're ±heck·
ing the ±Learan±e between ²he balan±ing arm pivot lugs and the bot²om of the
hub¸
What Do yoU do if the clearan±e is less than
àâà3à
in±h? You can find the
ans¹er in the
b
or º series maintenance manuaLs» Para
Þã63
of TM
ÞÞ-ßÞ2à-
227ä23-å
has the detaiLs
¶
If you don¼t have one of these TM's½ see your Lo±al
AVSºO¾ ¿ogistic Assis²an±e Representa²ive»
If the ±Learance is more than
àæàÞà
inchÀ repLace ²he droop stops¶
çèé êë
ìí
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