PS Magazine - TB 43-PS-414
PS, The Preventative Maintenance Monthly
ISSUE 414
MAY 1987
M113-Series FOV .±±
Brake Adjustment AdjusTed
Mehs, whEn you usE spring scalE,
NSN 670±-254²4³34,
to mEasurE thE
prEssurE n±dEd to rELEasE thE LEvER LOk on TE dIfrEn²aL brakEs, ³E thEsE
changEs to thE prOEdurEs ´
T
9´235µ-2³1´2µ´1,
T
9²145µ¶85´2µ·
µM
9¸145µ´585´2µ
and µM
9´235µ´247´2µ´1:
I CAN HELP
'oU WITh
mEA²UR³NG
BRAKE PRE²²URE
´ ´ ´ BUt REµEµBER
to µAkE tHE²E
CHANGE²[
•
At¶ach TE sc·E with a
rop
or straP
BtW±n thE scaLE's h¸k aNd thE s¹Er´g
lEvEr. MakE surE thE
rOp
or strap goEs
around thº s
teE
r»Ng
lEvER at
thE cEntER
FNgEr Notch o¼ thE hand grip .
•
½ok ¾r a rEadiNg o¼
1µ´3µ
¿uNds
whEN thE LEvEr lOk rELEasEs, not thE
2µ-
3µ
¿uNds as shown in YouR
´2µ´1
µM
.
.
¶·¸ ¹cal¸
¹·ºuld »¸ad
¼0½¾ pºund¹
•
À¼ you don't gEt thE right rEading
aÁER mÂg thE diÃErEntiaL adjusÄEnts
shown in thE µM,
sound oà to your
DS
shopÅ
¹
.MAY ¹º
¿ÀÁ9ÂÃÄÅÆÄÇ ÃÈ ÉÊwËÌzÄÅÇ ÍÎÏ
Variable Recoil
MUs±
Work.
±²² or you
c
be in big T³ouble when f³iNg wiTh the cannon eleVated aboVe
»¼½
mils.
´he variable reCoiL sysTem sho³Tens The caµnon ReCoiL when the gun is eleVaTeD.
If
it Does¶'t work, The cAnnon cAµ sLAm inTo the FooR. So how Do you kno
hen
_
your howitzeR's Variable reCoil sysTem is working?
±
·yeball the actuaTor DriVe shA¸ when you elevate the cAnnon¹ ºt about
»¼½
miLs,
»
the DriVe sha¸ shoulD begin to TU¼, oPeniµg the
r
mechanism geaRs. You can
see the Drive sha¸ withouT remoVing Th½ mechAnism coveR¹
-:·
.
±
²
'
gÐÑÒ ºÓÐÔ,
yÕÖ» »ÐcÕ×Ø ÙyÙÚÐÛ
ÜÕÔÝÚ ÜÕ»Þ
À¼
thE DrivE sha¸ Doesn't tu¼ bEtween
1¾4
anD
1/3
Re
v
oLut
i
, chances are your
MeChanisM gEars neeD
clºÆNiNg
anD luBing¾
SeE
LO 9´235µ¿311´12
¿R
tHE dEtÆils. MakE thE
chEck Be¿Re any fring at
aN
ElEvation oÀ
³Àµ
Çs or HighEr
anD makE suRE you lube at lEast EvEry
»
monThs
.
Á
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