PS Magazine - JULY 1974
PS, The Preventative Maintenance Monthly
ISSUE 260
JULY 1974
Dear EditoR,'
There is enough space for the taPe
The new positIve ±etentIon bolts used
²
wrapping du±ing bolt removaL. The diaM·
in crItical Fight-control systems on our
³t³r at the pawl is smaller than the shank
Chinook (´Hµ47) r³ql/y staY put¶ ¸he
po±tIon of t
h
³ bolt¹
sp±Ingºloaded paWl keeps the bolt »rom
backing out If the nut shouLd come o¼½
´omes the tIM³ to ±emove one o¾ the
drive scissors bolts¿ thoÀ the boLt wilL hAnG
up on the edg³s of int³rnal pa±ts unless a
way is found to d³press the locKIng pawl¹
Using fo±ce on the bolt can damage Ma·
ting pa±ts anÁ th³ bolt½
ÂÃOu±se w³ ±³move th³ tape from the
bolt after us³Ä Åou ÁonÂt us³ the tÆpe »or
boLt installation¹
Thos³ bolts a±e ha±Ç to ±emove at best¿
but
È
at Éeast we ÁonÂt have any more
SSÊ ËIchael Ëay
Ìt SilL¿
OK
ͳ solved tÎe probleM by depressing
t-±²³´µ¶·
the pawl anÁ wrappIng It with maskinÏ
tApeÄ Ðo
_
u can Ñlso use
Ò
ceÓlophane taPeÄ
(Ed Note-Good going. Looks like a
winner.)
Whe± you ChinooK (CH²47) tYes are about to install the quill shaft in an engi±e
Transmi;sion³ focus in on ´he snuBBer, for real.
µhat bab¶ is a buFer between t·e shaft ¸ange and t·e tRansmission.
metal²to¹Metal contactº º º and wear!
µhe snubber
wl
go to pieces on you,
tho, unless you put iT in ri»ht.
So, seat t·e snubber ¼an»e on the quIl½
s·aft ¸ange. µ·e s±ubBer ¼ange has to
face outboa
_
Rd, toward t·e engine ¾ans¿
missionº
µhe ProPeÀly Positioned snuBBer wIlÁ
then be free to Rotate arou±d ´he shaft
¼ange, ¶et be securely locked Âo the ¼an»eº
SPiral ÃraP used around hoses for ÄroÅ
tection is »reat, bird mechs, But it can't
work miraclesÆ
Some Chinook tyPes found ´his out Çe
È
ÉaRd wa¶. µhey Ran a couple of en»ine
hydaulic ·oses over the Metal support
neaR t·e engine mountÊ µhey Ëgured the
r
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