PS Magazine - TB 43-PS-508
PS, The Preventative Maintenance Monthly
ISSUE 508
MARCH 1995
OK, soldier; do you know how to kILL
a small MIl STD eng±ne wiTh ²³C (teN-
Der´ lovIng caRe)?
Just aDD too much oilµ ThaT's how.
Overf±LlIng the engiNe wITh oil makes
less Room FoR oil expaNsIon as IT heaTs¶
³ess Room meaNs more pressure
·
MoRe pRessure meaNs blown ReaR
main seaLs¸ ²hen oil lea¹s out
º
aND the
cRankcase runs dRy· ²hIs causes bear-
Ings to bu» out aND The eng¼ne To seize½
High oIL Levels also cause sTicky pIs-
toN RIngsµ Fou¾eD spark p¾ugs aND caR-
bon buIlDup In combusTIon chambers¿
Some solDIeRs ThInk thaT if some oÀL is
goodµ moRe is beTTeR½ So they oveRfill
the cRaNkcase when They aDD oil.
BuT engineers already FÁgureD out
how much oIL it Takes to lube aND cool
an engine¸ ²haT level Is theAÂÂ maRk
oN the DÁpstIck¸
²hen eNgiNeers Figured out how much
o±l it Takes as a "cushIonà so the engine
woNÄT rUN dry if thereÅs a sLight oIÆ Leakµ
yeT Not so much so as To overfIlÇ The
ÈeseRvoiRÉ ²hat LeveL is to The
FULL
maRk on The DipsTickÊ
So Rememberµ when you gÁve your
Little Mil Std engIne ²³Cµ give IT aLl it
Needs buT no moRe¸ Keep oIl LeveË beÌ
Tween The AÂÂ anD
FUll
marks oN
The DipsÍick½ ÎnDµ if possÏbleµ measuRe
the level only aFÍer The engIneÄs cooleD½
²haT g¼ves o±l a chance To Drain FÐom
The workIng paRTs where ÁTÄs been doiNg
iTs job InTo The crankcase wheRe It can
be measureD¸
PS 508
49
MAR9±
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