PS Magazine - FEBRUARY 1987
PS, The Preventative Maintenance Monthly
ISSUE 411
FEBRUARY 1987
UH-60A
.±
·
-
±
²
³
´
µ´
¶
²-³
µ
:
±²
Lockiring Tools & Materials
Dear Windy,
·
¸
k
¹
Instructions in TasK
3
of TM
55´1520·2
7´2_3´7
say to lOc w±re
²he blade spar pressure indicator to ²he md1c
.
atOr a³aptor af²er
replacing the indicatOR´ Then it says the lockw±re µust be seAled
by ²he quality cOntrOl inspector¶
.
´
,
But nO·here dOes it say how tO seal the lockw±re´ If 1t
¸
s ot
sealed right, ²here's no ·ay to know if nitrogen pressure ms1de
²he blade has been accidentally released´
¹
We've been using fire extinguisher seals, but we don t have
a criµping tOol or know ho· ²o ge² One´ What shOuld ·e be
usiNg to seal ²he lock·ire?
Dear Sergeant
Rµ A¶,
You've got the right idea. Te
heA±shed says to Use the same wire
seals
a
crimpiNg tooL that 're U²ed
for seaLiNg aircRF ³rst ai± kits and
³re EtiNguishers. ´u caN get
5
Pounds of coPPer wire with µSµ
³145´µµ¶234¸4991, 1¹
L¶ seaLs
with µSµ
534µ´º´598¸34»7¼
a·
a crimPiNg tooL with µSµ
512µ´º´
221´1³½.
SSG º´ »´
Lockire the
indicator adaptor
to the air
valve adaptor
¸8
uH¾60A ¿ÀÁÂ
PadDle Bolt ±isplay BoarD
Dear Edi²Or,
When YOu reµOve ²he
tail rotor on Black Hawks
it's easy to ¼et the reten-
tion plate hardwAre µiXed
up´
When ²hat hAppens,
yOu've gOt tO stop And fig½
ure Out wha² goes ·here´
SO we caµe up ·ith a
paddle bolt display bOArd
to µake su¾ all the bol²s,
nuts, washe¿ And shiµs
are reinstaLled in the right
holes´
Counter
b¹l¹nce
Top
yeLlow
1
2
•
•
9
±0
3
4
º
•
º
•
±
»FT
11
12
s
6
iI
.-²
¼
½
¾
º
Counter
b¹l¹nce
¿ed
Counter
b¹l¹nce
fWD
³
Counter
b¹L¹nce
=
=
C
The Only µaterial yOu need is a sheet of thin StÀrofOaµ or plywood´
Cu² out a
2´À
squarÁ piece and draw in the shape Of a ²ai rOtOr reten-
tion plate¶ DrÃl Ä2Åin hOles for each bol² and µarÆ the board FWD and
»FT, ÇÈP and BÈTTÈM to aVOid cOnfusiOn´
»s you reµoVe each pÉece Of hardware frOµ tÊe retention plate, put
it in the apprOpriAte hOle in your display boArd¶ When yOu put the tail
rOtOr bacÆ Ën, yOu don't haÌe tO guess what gOes whÍre´
SSG ºaÀµond ÎaÏa
Á
BÐgg, ÑC
(¸ditor¹s Note: ºouN» ¼ike you½re gOod at board g¾mes, Sarge¿ Way to go!)
ÂEB 8Ã
¸9
I
I Ã
Back to Top Back to Top
