PS Magazine - MAY 1981
PS, The Preventative Maintenance Monthly
ISSUE 342
MAY 1981
Too many mechanics don't seem to
realize that
dirt 'n' grease in an
electrical connection make for a
mighty poor hookup.
Too many drivers are hose-happy
when they're washing oUt the engine
Take Item
12,
Instruments, in the
PMCS± Before yoU start up the engine
to checK the gages, ²rn the ignition
switch to the ACCESSORY position
or³ the ON position± ´he oil gage
LOCI
v:±
AccESsORY
\
OFf
Here
...
N
...
or
±
"m
here
should show zero
pressUre± If the
needle moves Up past zero, someµ
thing' s wrong¶so report it as a faUlty
reading·
Gage shows
pressuRe long
after s²UTdown?
³eporT iT!
Hold it! If yoU j¸st shUt down yoUr
engine, the gage may show slight
pressUre± That's O¹, bUt the pressUre
should beº gone wit»in a few minutes±
Now yoU, ¼Mr± or Ms Mechanic,
tackle the tro½bleshooting¶just like it
says in TM
9-2320-266±20,
Page 2¾43,
Para 2¾44c± It's si¿ple, easy anD just
about foolproof±
BUt you're wastinyoUr time¶and
maybÀ repair parts¶if you donÁt make
s¸re electÂical connections are clean
and tightÃ
The oil pressUre sending Änit's
tucKed Åown betweeÆ the rear of the
engine and the fire wallÇwhere it
gets a heavy dose of greasy dirt± A
dirty¶or looseÇgage wire hookUp at
•
Make sure the wire connec²
toR is clean.
·
±
´Clean!
•
Make sure the sendIng unit
connectin post Is CleaN.
-±
²³´
µ1¶
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