PS Magazine - TB 43-PS-458
PS, The Preventative Maintenance Monthly
ISSUE 458
JANUARY 1991
loose locking rIng w±ll LeavE your
cannoneers
wav±ng
good-by
to
thE
bLast ATTenuaTor device. ² loosE brEech
plug a³so cAuses probLems´ But you
armorErs cAn eAsily keep locKIng rµngs
and breech pLugs Tight¶
·ook fOr shiny spoTs betwEEn the a¸¹
TEnuAtor cone and Locking ring bEFore
you send M252s To the fiELdº ShIny
sPts meAn a loose ring»
Cure a l¼se r±ng by staking iT½ Use
a hAmmer and punch to staKe the r±ng
Tw±ce, 180 degrees apaR¾ ¿ut do thaT
no more than thÀEE TiÁÂesà ²fTer thrEE
timesÄ stakµng it won't kEEp it tIght¾
Årder A new ring w±th NSN ÆÇÈ5É
9
Ê
794Ë536ÌÍ ÎhE M25ÏÐs NMÑ unt±L the
ringÒs repLaÓed¶
ÔEEl the breech plug»
If
iT's LooseÕ
t±ghtEn
the
plug
w±th
your
breEch
wrenches. Öf iT won'T stay TighTÕ check
the coppEr seAL ×twEen thE plug and
The cannonØ ÙeplAce iT If iTÚs badÛ Öf
The pÜug sTill wonÝT stAy tIghtÞ tuß ±n
The cànnoná âsing wrench extensIons
or hAmmering on The wrench wILL onLy
damagE thE cAnnon.
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