PS Magazine - FEBRUARY 1985
PS, The Preventative Maintenance Monthly
ISSUE 387
FEBRUARY 1985
•
!:
±
1
M1 Tanks .±²
"
I
-
I
-
I
·³
.
All those electronic units-sights and
laser rangefinders±are just expensive
pieces of metal and glass,
mi
mechs,
Unless they're purged and Charged.
Not only m²st you purge and charge
those CoMponents EveRY 90 days³ you've
got to purge and Charge 'em every time
you open 'em for service or repair´
If you don't do the work every timeµ
moisture and dirt can sneak in and put
those components out of business.
And that means your
tN
will be out
of business³ too.
T¶
·¸2350¹255¹20¸2¸3¸3
has
all
the
inF
on
purging
and ºcharging
procedures.
HERe Ar´ µ F¶W
TIPS
O¸ 6
of ¹hº »¼S ½¾P¿ ÀÁÂÃ CÄpÅÆÇÈÉ
ÊËÌÍ ÎÏÐD ÑUÒG/Óg ÔÕd cÖ×ØÙÚÛÜ!
v
ÝuÞÞßà'á âàãäåày áãæçè
-
P
é
rge
and charge at 5 PS» for 5 minutes. A
relief valve will hOld 3 PS» in the sight
as a charge. See Pages 7¸47 thru 7¼51
of the T¶.
·
v
êëääåÞìßà'á
ßxèßÞáãëÞ
èë
G½¾±Purge at 8 PS» f¿r 5 Minutes.
The Àxtension wiLL hoLd 4 PS» as tHe
charge. SeÁ Pages 7¸88 thÂu 7Ã90 in
the T¶.
v
íäåæî ïëÞèàël uÞãè
±
Pu
ð
ge at 10
PS» Är Å0 minutes. The unit Must hoÆd
at least 4 PS» as the Charge. See pages
7Ç372 tHÂu 7¸374 in the T¶.
v
Låáßà àåÞæßñÞòßà uÞãè
²
Pu
ð
ge
at 4È PS» fÉr
5 minutes. The unit wiÆL
hold aBout 2.5 PS» as the cHarge. See
Pages 7Ç336 thru 7¸341 in the T¶.
v
ÝuóÞßà'á åuXãlãåày áãæçè
±Pu
ð
ge
at 8 PS» Är 5 minutes. The sigHt Must
hoLd at Least 4 PS» as a cHarge. See
Pages 7Ê206 thru 7Ç2Å0 in tHe T¶.
v
êëääåÞìßà'á wßåâëÞ áèåèãëÞ
áãæçè
±Purge at no Ëore tHan 7 PS» Är
5 minutes. THe sigHt Must HoÆd at Æeast
5 PS» as a cHarge. See Pages 7ÇÌ64 tHÂu
7¸Å66 in tHe T¶.
. ±. hold
charge
of
5
psi
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