PS Magazine - JANUARY 1984
PS, The Preventative Maintenance Monthly
ISSUE 374
JANUARY 1984
, I
Your engne has enouGh trouble
operatinG in cold weather without
havinG to deal with bad D habits.
Like lettinG the engne Rn at low idle
fr a lonG time. Or worse, startinG it up
and shuttinG it down -
over 'n± over
aGain²befre it has a chance to heat
up.
Engnes are at their best when hoT³
up to normal operatinG temperatures.
´hey run smoother and last lonGer.
´he eFects oµ continued low¶h·at
operation
wl
bui¸d up and put your
en¹e on deadline or I the scrap heap.
Here±s why:
•
ºuel and oil Ae not completely
bUed » the combustion chambers,
l¼VG so½ Cbon dePsi¾ on the va¸ve
stems. ´his carbon thickens and fuls
up valve operation²caus¿nG bUed
valves and bent push rods.
18
Valve stEm
Valve guidE
ValvE
Camshaf Tries
t
raisE
push rod To opEn valvE .±²
but valve sTem is s³ck
in vALve guide be´ause
oF ´RD² µeSult is a
bent puSh rOd²
CaMShAFt
i
JAN ±4
A SLIMY s±UDGE
²iKe mC
aW³´Tµ t¶· c¸
¹º»H g¼!½/
-¶nginE oil
-HEat and cold
-CondEnsaTion
-Unbu·nEd FuEl
-CombusTion gas
•
Àondensation and unbUed
f¾
Get arouNd the pistons²blowby²and
into the cranKcaseÁ Âcid and sludGe in
the engne oil are the result.
•
Àondensation Ãom normal engne
"breathinGÄ never Gets boiled oÅ.
Ænstead, it builds up » the cranKcase.
More acid, more sludGe.
•
Engne oil breaKs down. Çoor
lubrication burns up bÈÁ
•
SludGe blocKs lube passaGes. Oil
canÉt Get throuGh to lube and cool. Heat
and µriction
¿
up your enÊe.
.
!·²:
.
:
;
-³´
µ,¶¸
¹
º
»
±
²•
¸ombinE
to makE
SLUDGE
And this meanS
poor luBrication
in your EnginE
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