PS Magazine - TB 43-PS-490
PS, The Preventative Maintenance Monthly
ISSUE 490
SEPTEMBER 1993
M163·, M167±Series Vulcans .²³
Fix Lock Loop Yourelf
T
he
only thing That usuaLLy.goes wrong
wITh The Vulcan's Lock Loop assemb±y on
The ammun²T²on stoRage can ³s the sp´ing
pinµ
BuT ¶ecause uniT Repa³Rmen aRe noT
auThoR³zed To RepLace the sprIng pin,
NSN
5315-00±844-1²89,
which costs
$².95³
they have to RepLace the whoLe
lock Loop assembLy- a cosT of
´µ75¶
No moRe· ¸epai¹men can now Reº
p±ace the pin using The »/16¼in punch in
The Anti¼aiRcRaFt ARtille¹y ½ooL ¾ox¿
Replace the spring pInS, noT the eNTi±e
LOCK ÀOOP
aSSembLy.
½o Remove The p³nÁ open the ¶eLLmouTh
assem¶Ly HolD the Ãnee joinT stop so iTÄs
veRTicalµ Åemove The spRing p³n fÆom the
stop and The canisTeR headLess sTRaight
pIn¿
Hold the
kE
jo²NT sTop ²N a ve³²CL
poS²t²on To ±emove aNd ´NStaLL p²NSµ
½o instaLL The pin, hold The Çnee joinT
sTop so iTÄs veRTicaL· ALign The stopÄs and
canisteR headLess stRaight pin's hoLesµ
ÈnserT the spRÉng pin into The knee JoinT
stop and The stRaight pin so iTÄs perfecTLy
FLushµ ÊLose the beLLmouTh assembLyµ
2·
SEP
9´
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