PS Magazine - TB 43-PS-424
PS, The Preventative Maintenance Monthly
ISSUE 424
MARCH 1988
I
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M2/M3
Bradley
MLRS ±±±
Cold Star $witch SwIt±H
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t cold ,
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rt •w
Â
,±²'it
DRIveR's
insTRumeNt paNel to head of eNg±Ne damage aNd cold staRT Fel pump ²AilURe.
Ã
:
³he swiTch Now iNsta´led stµys oN wheN The dRiveR ¶u·s iT oN. ¸¹ he doesN'T tº·
IT of (aNd maNy doN't)» diese´ Fel gets pumped past the pisToN RiNgs a¼d iNto the
eNg½Ne oi´. ¸¹ the switch is le¾ oN loNg eNough» The cold s¿T Fel pump buÀ up» tÁÂ
You mechs caN pReveNt ThÃs damage
by INsta´lINg a ÄomeNtaRy-hold type
swiTchÅit oNly woRks wheN the dRiveR
ho´ds it ÆÇ.
ÈoR you MÉÊS mEchs» make suRe ËÌst
o¹ a´´ THat The New swiTch is NecessaÍy.
Some vehic´es have alReady had the
momeNTary switch iNsδed.
I
Ïe switch
does Not sTay ÆÇ wheN tHRowN» you've
goT The New switch.
ƶherwise» get switch» ÐSÐ
5930-
²³941³2´74µ
aNd iNsTµl´ it accoRdiNg to
Ïe iNÑ oN Page
7³480
o¹ ³M
9³1450³
6¶·20·4.
³
If switch doesn't stay ON when
thrown´ youµve got the ¶ew one
OfF
±²
C@
IH±
lTAat
CLU²
³
BRad´ey mechs» you'´l Need the same switch» ÇSÇ
5930³²³941-2174µ
but youR
INÑ Is ÑuNd oN Page
7³232
o¹ ÒM
9³2350³252-20-´-4.
Check the New switch aÓeR ½Nsta´´atioN by pusHiNg aNd holdiNg it ÆÇ. ¸¹ Ïe
co´d staRT light comes oN» aNd theN goes of wheN you Release the switch» you'Re
ÆK to goÂ
¸¹
MAº »»
ReaÄ DooÄ CLosing Adjusted
You caN coRRect a jeRÔ oR sÕwÖto×close uppeR ReaR dooR oN youR
am
o caRRieR
iN Øve easy stepsÙ
´¼
Úctivate The pRimary oR backup hydRaulic system.
2½
ÆpeN the uppeR ReaR dooR.
·-¸¹º========»1¼
3. T
Ûe Üow coNÝol va´ve couNteRÞ
Adjust the flow control va½ve
until the door closes smooth½y
c´ockwise uNtß iT's Flly opeNà
in 7¾8 seconds
4.
Wle c´osiNg THe dÁR» slow´y tº·
Ïe áow coNâol valve clãäise uNtil The
dooR c´oses smoothly.
¾¿
ÆpeN the dooR aNd RepeaT Step
4¿
CoNtiNue to opeRate aNd adjust tHe valve
uNtß you get No jeRks aNd THe dooR c´oses
ÃN about
7-8
secoNds.
³hese sTeps c´ose tHe dooR oN systeÄ
oveRpRessuRe aNd cy´indeR dµmage. ³hey
wi´l
b
addå To ÒM
9³2350³2¶7-´0µ
but
you caN use Them Now.
MAº »»
ÀÁ
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