PS Magazine - JULY 1985
PS, The Preventative Maintenance Monthly
ISSUE 392
JULY 1985
UH-1 Series, Ah±1 Series .²³
Power LEveR Binding?
-
"
If the power lever
.
is binding on a
Huey or Cobra,
relieve
·
the tension
with
1/8
tUm AdjustMents To the idle
tri±Mer screW as shoWn in Para
1-117
oF ²³
55±2840-229²³3-1.
²he prOce-
dure is in ParA
1´118µ
²he article titled "²hrottle ´djustµ
Ment ²Ool¶
in PS
385,
DeceMber
1984,
is Misleading¸ You don't have to
get ´
VI
to Make a special tool ¹r
checking the torque on the power lever¸
²orque wrench adapter, NSN
492¶-
0¶·957¸4¶60,
will dO the jobº
²he adapter is used with a standard
torque Wrench on the poWer tUrbine
thrOttle sha» to check torque ¹llo¼ing
each
¹/8
counterclocKWise adjustMent
OF the idle triMMer screwº
Use
adapter
on power
tur
b
ine
thRoTle
shaft
to check
toRquE
Idle
trimmer
scRew
²orque liM½ts are up to
15
lb¾in ¹r
the
¶°
to
1¶º°
travel and
25
lb¿in ÀoM
10¶°
tO
¶°
travel (cutoÁÂ LiMits oF
adjusTMent are reached when cutoÃ
canÄot be obtainedº
»¼
JUL ½»
UH-1´ OH-58´ AH-1 µ²¶
SIght GagE ±lass Pul²³rs
Oi
sight gage GlassEs Must be ÅreÆOveÇ Èr ÉleaÊËÊG aÊÌ iÊspecÍËOÊ of ËÊÍerÊaÎ
gear wear paÍÍeRnsº ÏoÆe ÆecÐs Grab ¹r ÍÐe ÊearesÍ screwdRiver Or pÎËeRs ÍO
pry the glasÑ oÃÒ ÓÐe resulÍ is usuaÎÎy ÌaMaGeÌ Or bRokeÊ glaÑsÔ
BuÍ you caÊ Æake a tooÎ tO reÆOve Íhe Glass wiÍhOuÍ scRatcÐËÊG Or breaÕÊG
´
itº ²ake your cÐoËce: ÓooÎ ÖO×
¹
Was sub±iÍÍeÌ by JesÑe ØiÍterÑ Of ÙraÊd
CaÊyon HelicopÍers,
AZ¾
aÊÌ appeaReÌ ËÊ PÏ
¿¿³À
ÓOoÎ ÖOÔ
³
waÑ ÑÚbÆËÍÍeÌ
/.
by ÏÙÓ JerOld LÔ Ûry and apÜeareÌ ËÊ ÝÏ
¿Á3Â
Tool No· ¸
Ùet a 6ÞiÊ pËßce
à
oF
Ã
Hos± CLamp
inch
diaÆeter
á
alu±ËÊuÆ
tubiÊg
±
¸ ¸/2"
anÌ cut ¹ur slots
¹ ¹/³
incÐes
µ• ¶·
deep in One endº
ÏÎide a hose
claMp
over
the
slotted
enÌ oF tÐe Íubeº
¸"
Aluminum
'
t
-
u
b
²
in
³
g
_.´µ¶·
¸¹º»:¼½¾=¿1ÀÁÁÂ
Ã
!
6¹
-
±
²
±
-
·.
Ä
i
²o use the tool, reMove tÐe lock riÊg âoM ÍÐe sigÐt glassã Slip tÐe tOol oveä
the glass aÊd tighteÊ tÐe claMpÔ
A
slËght pull ReMOves Íhe glass ÀoÆ tÐe gageº
tool Nº»
Å
ået æOur
a YÆM
shop to Make thiçè Téol ÀoM solid
1ÇÈÉ2
inêhë
diaMeter aluMinìM stocK¸ íust sliî
Êt
oVer the sigÐt glassï tighten tÐe ðing nut
and îull¸
ñ
3
1/2"
±
-².
r
1 1³´"
Solid aluminum stOck
µ
Ä
ÅÆ
Ç
(
k
È
n
È
u
È
rli
É
n
g
Ê
o
É
p
É
tio
Ë
N
Ë
a
È
Ì)
_
_±
²
³.´µ¶·¸¹
º»
±²³
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