PS Magazine - TB 43-PS-428
PS, The Preventative Maintenance Monthly
ISSUE 428
JULY 1988
AH-64 .
.±
Gearbox Filler Cap 0-Ring
Wlen the 0-ring on your
Apache's engine nose gearbox
fiL±er cap wears out, it can cause
a ±ot oF conFUsion.
²hen it wears out, oi± is
pumped out the breather and
rUns down the gearbox onto the
transmissioN.
Extra oi± on Te transmission
can be mistaken ³r ±eaking
gearbox output sea±s. Rep±ac´
ing gearbox sea±s won't so±ve
Te prob±em.
µook at ¶e 0-ring in the
fi·Ler cap when you add oi±. IF
it's toM, c¸shed or wo¹, re
p±ace the 0-ring with ºSº
533»-»»¼349-9491.
Coat it
with Petro±atUm, ºSº 915»-
»»½25»-»926, Be³re insta±La´
tion.
38
JUL 88
SPH²4 Helmet³ ³
Some AµSE technicians are using Te wrong stu¾ to insta±± ±iners in S¿H-4
he±mets.
·
Super g±ue and rUbber cement are absO±ute±y, positive±y, the wrong stUÀ Áever
use eiTer in p±ace oF rUbber Base si±icone adÂesive, ºSÁ 8»Ã»½»»½833-9563.
Ähe wrong stu¾ causes the p±astic Foam Liner to deteriorate qUick±y. Ähen your
he·met can't protect your head against bLows.
Åut even Te right stu¾ is not good enough iF it's not used right.
I
you use one
big g±oB to attach the ±iner to tÂe he±met, you'±±need dynamite to separate Æem next
time the ±iner Âas to Be repLaced.
Instead, attach at these Five points:
Apply silicone
adhesive in tabs the size
of a quarTer:
FRON±:
3"
Up from the
bottom of the liner.
REAR:
4±
Up from the
bottom of the line² tabs³
±OP: Cente² of line².
Spread Çhe adhesive to Te size oF a quarter at each point. Ènsta±± Te Liner iÉ the
Âe·meÊ sheL±, then wait at ±east 24 Âours Be³re you reassemb±e Çhe he±met.
JUL 88
´9
,
Back to Top Back to Top
