PS Magazine - TB 43-PS-438
PS, The Preventative Maintenance Monthly
ISSUE 438
MAY 1989
M163A1, M±67A1 V I
u ca
n
.
oear EditOr,
sOlenOidS On the Vulcan'S DC
feedeL take a licking and gO On
click±ng-SOmetimeS. But IF One gOeS ²ad, the Reeder wOn• wOrk
We've fOund The beSt way tO Sp³t bad SOlenO±dS´and
we've
and yOur Vulcan
wOn't
Fireµ
SpOtted quite a few-iS tO cycle up
²00
dummY rOundS InStead Of
the
³
tO
²2
that the PMC¶
RUN
´µµ
dUmm' roUNds
throUgh
OC
Teeder to
±²³
-
-
in the
-²0
·M'S Sayµ ¸F th¹
SOlenOid'S bad, the feeder will
jamµ JuSt a Few rOundS OFten
wOn't catch
bad SOlenOidSº
AlSO» when yOu cycle up
²00
rOund¼, yOu c½n teSt nOt Only
the
²
¾¿buÀSt rate, but alSO tHe
¶0·
and
Á¿burSt rateSÃ
¶GÄ ÅObert ¶tewart
Æt BliSS, ÄX
(Editor's note: Sounds like you' re
feeding us good info. Thanks±)
¸¸
cAtch bAd soleNoids
maY 89
i¹
.
.
;
Mº4º
´uµoMaµ
I
c Gu
n
±
±
.
;¶
.
a
n
·:D¸p¹
I
s
º»
¼
o
½
n
¾¿ÀOÁD
s
:
Barrel supPort
dropped and t
assemblies are bei
b
d
ossed too
»
Ng
en s or shears tH
.
±
ne good joLt
you can't tell if
pIston rod² Then
damper Fu³d w
·
²
ur M242's loW oN
´luid, the b
±
el s
³
out enough damper
dur³ng µr³ng
L
pport can be cracked
do
.
ay tHe b
¼
Wn¶ ¸ever d
arre support
¸½
rop or toss it.
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