PS Magazine - AUGUST 1976
PS, The Preventative Maintenance Monthly
ISSUE 285
AUGUST 1976
When you replace a damaged
"r-?
7:±
²R³!´µ
¶1·¸¹
forward support tube on the
T53
engine mounT in your Huey, it may not
be necessary to puLl an alinement
check.
Here's the way she reads:
±he main drive shaft aLinement
check is not needed unLess a different
mount is used, or t²e shim stack-up iS
changed³ ±hat´s the word in ±M
55-
1520±210²20
(µep
71).
TORQUE
·:
-
±
µTandard torque vaLues are in ¶M
55-1500³204±25/´
for
aLL
bird
hardware³ ±orque charts are being
added to some aircraft manuaLs³
If an Exception tO standard t0rque is
needed, Look in t²e text of your
particular aircraft·s Pubs³
±abLe
2-5,
Recommended ¶orquE
-
"
º
·±
.±²
²
VaLus¸ of ±M
55-15
?
0±204±25/1
aLs
»
appL¹es to seLfºlock»g nuts³ Don T
forget to add tare Torque to the values
for selfºL
_
ock¼N½ nuts ³
.
²
I
I
i
.±² -³
,´µ¶
·f!
³´
_³´µ¶
¸¹
±
.;
m²1r
I
C¾mEs T²e Time you ²a¿E TO PuT a ²¼G²ºPrEssurE rEL¼Ef vaLve ¼n t²E uTiLity
I
hydrauLic sysTem Àf your C²inooK¸ Áatch out for a ÂurP²yÃ
±²e vaÄvE ÁiLL fit eiT²Er Áay, but if iT·s put in t²e wr¾ng way you wouLdn´t
bEL¼eve Á²at ÁiLL ²aPPen ³ ³ ³ rupTure of t²e vaLve¸ Tubing and othEr
coÅPonEnTs!
µo¸ Á²en you PuT in vaLve¸ ƵÆ
4820±00±960-3984,
maKE sure t²e "ÇÈɵÊ
Ë
end goEs ¼nTo T²E rEducer³ ÌCoUrsE T²E ÍRÎ±Ê end goEs into The ÏowÐpressurE
man¼f¾Ld³
±²e PressurE end is inkºsTamPed but if you can´t read ¼T¸ t²e namEPLaTe is aLso
at T²e PrEssure End ¾f T²e ¿aL¿E³
THE BeND OF THE WINDowS
Dear W
d
,
.
µ
·d
Does it
matTER
wh±H Way
±he
s1
e
windoW
bEnD On theCHINµ(k?
SOmE
²f .T³´ µ
¶¸
¹
HAve
a³
conC²Ve
e³´aNµ¶
º
»n v
¼½¾
f·oM
¸¹º
'
.:
si»e oF
¿hÀ
a¶rAf·
ANÁ
S
O
¼e pIlo½S
BEl¸¹ve
ÂÃY Ä
ulÅ
.¼e
cÆÇVÈxÉ
PSGJº
p»
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