PS Magazine - DECEMBER 1985
PS, The Preventative Maintenance Monthly
ISSUE 397
DECEMBER 1985
"Wet± Bufer Ring Is OK
Next time you spot hydraulic fuid on
and near the wIper (braSS) ring oF your
M60
machIne gun'S bu±er, Sti²e thE
urge to replace the bu±er.
The
ring,
whIch
SurroundS
the
plunger rod, pIckS up a lit³le fuId each
tIme the plunger IS depreSSeD. The fuid
cleanS the plunger rod.
´F the plunger releaSeS quickly when
you depreSS It, it'S Serviceable.
´F you've
got
drIbletS
oF µuid
leakIng-or IF the plunger haS little or
no reSiStance when you depreSS it¶
that'S the tIme to replace it·
Normal operatIon leaveS a lIght ¸lm
oF fuId on the wIper ring or plunger.
WIpe it o± be¹re and aºer ¸ring wIth
a cleaning patch. »ame goeS ¹r teSting
in the armS room.
Faulty M60 Key Washers
Key waSher, N»N
5310-00-608±
5009,
can ¼Il when it'S inStalleD on the
M60
machIne gun gaS cyLinder. One oF
the three½ legS may break or the round
part may crack.
»everal
manu¼cturerS made the
waSherS too hard, cauSing the tangS to
break o±. Report ¼ulty waSherS on an
»¾
368
Quali¿ Àe¸ciency Repor³. (ApÁ
Pndix ¾, ÀA Âam
738-750,
ÃllS you Än).
´n¹ in BlockS
7, 8, 9
and
10
helpS the
headShÅ peg tHe manu¼ctUrer and Æe
corrective action. »end the »¾
368
to:
Commander
US Army TrOop Support CommaNd
ATI±: AMS²R-QP²
4300
Goodfellow B
l
vd
St Louis, M³
63120-1798
TaNg´ ³k?
6
DEC 85
MakinG Smoke ²renades S³´ke
Çyeball the ÈIScharger tube oF your
MZ57
Smoke grenade launcherS be¹rÉ
you mount the diSchargerS. ÊËok at the
draIn hoLeÌ, too.
You can telL IF Sealant Seepage iS
depoSIted at the baSeS oF the tubeS.
ÍarÎlIke Sealant reSIdue may keep your
grenadeS Ïom Seating and ÐIng. ´FyoÑÒ
See any, clean the gook wIth ISopropyl
alcohol, N»N
6810²00-201±0906.
CLean
out
drain
holeS
with
the
aLcohol, too.
M±²³, M±´µ .
.¶
Rotaµ Weapon Dµ Fi¶e
LOoKS
LIK± you cOUlJ
²se
³Me jUmY A´µ¶/
When you pull a SyStem checkout on
your
m134
mInigun or
M197
cannon,
uSe dummÓ ammo ÔÕStead oF empty
chamberS!
ÀryÖ¸ring on an empty chamber wIll
damage ¸ring pInS, bolt ¼ceS and other
moving partS.
×Se the
M172
dummy
cartridge,
N»N
1305±00±926±4009,
with
the
M134
and uSe
M51A2
dummieS, N»N
1305-00±157±461³,
with the
M197.
DEC 85
rR,_.:· ¸
Back to Top Back to Top
