PS Magazine - APRIL 1983
PS, The Preventative Maintenance Monthly
ISSUE 365
APRIL 1983
Any time you mechs park a UH-
60A±and winds over 60 MPH are
expected²the main roRor blades have
to be folded. That word is on Page
5-
Before
you
attempt
to
fold
the
blades, tho, disconnect the
4
pitch
control
rods
at
the
swashplate.
Otherwise, excessive loads will
be
transmitted back into the ³ixer from
the rotor head.
The result can be
cracKing and separation of the bear´
ing, which couLd become lodged in
the mixer and restrict control.
You'll find the detaIled bLadeµFold´
ing poop in Tasks 19 and 21 of the
³aintenance pu¶.
Check Your Fittings!
jJ'
To be on the safe side, UH·60A
mec¸s, eyeball the tiedown/ rappell¹
ing fitting in your bird. TSAºCOM
Msg DºSTS-MEA 080800» Sep 82
called for the removal of the b¼s¸¹
iNg retaining ring.
The
b¼shing
then
½an't
be
i¾¿
stalLed wrong ¶ecause it would fall
o¼t of the fitting without the ring to
hold it in place.
Make sure the bushing retaining
ring has been re³oved so that the
bushing can ÀnLy be instalLed with
the fLange on the bÁtRom, next to the
bolt head.
37
This is no place for a M¼rphy!
Bushing
flange
poInting
down
.
.
± OK!
But. ±±
remove
retaInIng
ring
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