PS Magazine - AUGUST 1975
PS, The Preventative Maintenance Monthly
ISSUE 273
AUGUST 1975
I
I
Cbeok thE
VaOuA1
Pu±p
•.±
When you suspect Your oil's being
screwed up ±ith fuel-and you've
checked out all possible reasons²
there' s one Sneaky PeTe you mAy
not've thought of³your vacuuM´fueL
puMp.
µour puMp May be ±orking just
fine¶·puMping fuel up to your car¸
buretor. But it could be leaking fuel
of oil in the line³±here onLy air is
s'posed to be going througH-Means
your puMp's got a leaking diaphragM.
If oil's getting into the puMp froM the
crankcase, fuel is probabLy getting into
the crankcase froM the puMp .
² ³ ´µ¶·:¸¹
_±
F²l
fL³T´µ
¶·¸¹s
.•±
¹ perfect fueL puMº and proºerL»
aDjusTed carburetor won¼T soLve aLL of
»our fUel ºrobLeMs.
¹ pLugged fueL fiLTer stops the
±½oLe sho±.
G
es1 es putt¾g on a new fuel filTer
at every 4,000¿Mile¿or´6¿Month interÀ
val, you can save yourself operating
Misery by checking the filter in
bet±een tiMes. Just take it off, shake
the fuel out of it, ±ipe off tÁe en that
goes toward the carb and bLow
through it. Blo±ing through opposite
froM the way the fuel flows May get
out any dirt that's giving you trouble.
Ãake sure, though, that you put the
Filter back on right. Ähe criMped enÂ
of the can goes to±ard the carb. If you
\
cº»¼n
.
½H¾¿ ÀÁv
º±º
Also often overlooked is the PCV
vaLve-Positive Crankcase VeNtiLa±
tioN valve. ANd ThE ·wiRe mesh tube
just iNside the rocker arm cover Where
you put eNgine
oiÅ
in.
Part
oF
your
4,000²miLes³or´6´
moMhs service is cleaninG the PCV
valve, the Wire mesh and the hose that
CLEAN THE SCREEN INSIDE
THE OIl FILLER NECK
21±-TON MUlTIFuEl TRUCK .²³
ruNs from the oiL filLer tube to the PCV
vaLveµ And you put in a neW ¶¸V vaLve
every 12,000¹miles²or´º2´moNths»
But you'Ll save yourself from poor
eNGiNe operatioN by checkiNG the PCV
vaLve more ofteN¼ ½ake it off and cleaN
TOO MUCH FILtER
When you're orderÆng the air fiLter
eleMent fOr
Ç
the Ã35¹È and ¿É2
series, be sure that's all you ask for. It's
Êilter EleMentË NSÌ 2940¿00¿80Í¿
7898, on page 38, ÎÃ 9¿2320Ï209¿ÐÑP
(Òct Ó2)Ô
JUST ORDER THE fiLTER ElEMENT´OR
HOW ABOUT WASHING THIS ONE?
SoMe guys are ordering ¹ir CleanerÕ
IÖt×ke, ÌSÌ 29Í0Ø00¿Ù29Ú5Û3Ü, Åisted
oÖ page 3Ý. Ähis'lÅ bring you the whoÞ
o¿o¿ole thingßshelÅ asseMbly, eleà
MeÖt, gaská
_
t, head and latch.
¹nd reMeMber-that eleMent's
washable, so Maybe you won't âave to
repÅace it after all.
-²
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