Downloaded from www.Manualslib.com manuals search engine Supplemental Engine 011
Additives·
The regular use of sUpplemental
additives is specific ally not recom
mended
and will increase operat
ing costs . However , supplemental
additives are avail able that can ef
fectively and economicall y solve
certain specific problems without
c ausing other difficulties . F
or ex
ample , if higher detergen cy i s re
quired to reduce varnish and sludge
deposit
s. resulting from some un
usual operational difficulty, a thor
oughly te sted and approved addi
tive-"G.M. Super Engine Oil Sup
plement "
-is availabl e at your Chev
r olet dealer.
In the event of an
operation al problem, consult your
dealer for advice before using sup
plemental additives.
Air Cleaner
When replacement of Air Cleaner
filter element
is ne cessary , an AC
ACron air filter element is recom
mended ,
Drive Belts
Every 12 mOJ.1ths or 15,000
mil es-inspect drive belts for wear ,
fraying,
qracking, and tension. Belts
which
are in poor condition should
be replaced immediately .
Check tension by applying mod
erate thumb pressure midway be
tween
pUlle y s. If the center-to ,
center distance between pulleys is
5-4
13 to 16 inches, the belt should de
flect Y
2inch. If the center -to-center
distance
is 7 to 10 inches, the belt
should
deflect .v.. inch. Loose belts
should be retensioned
.to give the
correct deflection.
>-~-7"TO'O"---1/4" DEFLECTION
I ... '3"TO"" I r-m"DEFLECTI~
