PS Magazine - TB 43-PS-434
PS, The Preventative Maintenance Monthly
ISSUE 434
JANUARY 1989
M110A2 SP Howitzers .±±
here is no place In the RedLeg HaLl
of Fame fOr crews who ±oosen ob-
turator spindLe nuts to get space enough
²r the fIring mechanIsm to be cloSed.
A loose spindLe nut caUses split prim³
ers, bLowby and damaged breech and
breech ring threads.
A warn´ng oN Page
²-³²5
of TM
9-²35´µ3´4¶³´
te±ls yoµ, up ¶ont, that
±oosen´·g t¸e oBtµ¹ato¹ spIND±e nut to
get mo¹e room º¹ the »r´ng bLock ¼s
oµt½ The nµt should Be snug¾
8
Here's what yoU can ¿o to make sUre
t¸e firing blocK wiÀ close:
*
EyebaLL the primerÁ
Âf it's disÃ
torted, put it aside ²r turnÄin an¿ get
anotherÁ
*
ChecK out the oÅturator spindLe
chamberÁ Âf It's dirty, cLean it½ Æf it's
burred, caLL In yoUr mechanic¾
Prevent the burrs Åy never hitting
the spindLe with a hammer or TÇhandLe
tooL when you remove the obturator.
Èse a blocK of woodÁ
ÆÉ you stiLL can't cLose the fÊring bLocK
aËter ¿oing these things, don't Loosen
the spindLe nut. Call yoUr mechanic¾
JaN 8·
Comb¸t VehiclEs ±±±
Ca,
¹
rlLJ
Ii
±A² 1³´itT.
lar'•
i
nLess
yoµ
protect
expose¿
paÌts
Íom diÎt, moisture and damage, aLL
your maintenance worK is wastedÏ
and yoUr problems multIply¾
Any time you worK on a Vehicle sys-
teÐ that has hoses, lines, tÑbes and
fittingsÒsay,
DUrIng powerpacK re-
moVaLÓthese thInGs can happenÔ
•
RoUGh handLIng breaKs ¿eLicate
connector pIns and mashes threads.
•
ÕIÎt gets into hoLes and open lines,
contaÐinating fLuIds and grittIng Up
connections so they won't seaL¾
'
Öoisture Gets into places where It
¿iLutes Lube an¿ caUses corrosion×
Èse pLastic caps and pLUGs to cover
openings and protect threa¿s UntiL YoU
Øut everYthinG bacK together againÙ
JaN º»
·
ÚÛÚ
¼3½´¾´´¿½¼´-¼7ÀÁ
gets
you
À¼6
caps and plugs in dIÜerent sizes¾
Úeed onLy certain sIzes? ChecK the
FÛC
¼33¼-¼34´
ÆÝ mIcrofiche un¿er
Cap, ÞrotectiVe, Õust and MoistUre
ÛeaL, or Cap, PLug, Protective, Õust
an¿ MoistUre Ûeal¾
Èse pLastic Åags to hoLd ÅeßrIngs and
smaLL pßrts liKe nUts and ÅoLts that
mIGht get dirty or lost¾ Ýßrger bags can
hoL¿ Larger pßrts or disconnected caà
Åles, ²r exampLe¾
KÂÃpÄÅÆ ÇLÈÉn
.±
²
kÊËÌÍ ÎÏ
ORGANIZED!
áou can tag the bags to make sUre
everYthIng
goes
Åack
to
the
same
pLaceÁ
âaGs in diãerent sIzes and styles are
on FÛC
ÁÀ´´
ÆÝ mIcrofiche,
under
âag, PLastIc¾
Ð
Back to TopBack to Top
