Gravely 424 - Page 10

r-jtGt-l
sPE[3
'
TOP
".
r' *;
eoYEiiloE
.-
e$r!?ioL
,
Figura
4
rcNTTOH
5Y$TETIil
Wheu
chectciry out
[n igdtion systerL
start xit] th* mmpoaen&
that
requiro :nort fre$mnt
sorvice or
ad-
j::stneart.
Hari starting;
ro:g}:aess, low
powcr
end erratic
operation
arr oftea
at*uted to
fnulty ignition. AII
(smpororrts
muct
be ia top mn&tior
ani tha ignitira
*park
mrst be properly
tie&d to maintain
good
perform-
aacr.
If
trni{orurane
indiq.tff
that ig iticn
is faulty, ilre ffrst thtng
to do is
to
detemdne
if this 3}rt*rr is actually
at
fault A simple
ogrrationnl
te*t rrill help
daternrlrc
thir.
oprnAilot{Ar tEiT
*c:nove
high len*iou
lead at
tlre spark
plug
*:ld
lrold
end terniaal about
l/18" ao t/y'
awny from
tle cyl-
inder
}ead
wlile
crmling &e eagine.
Make
srre the engine
is
sonked fast aaoug! to
produoe
a
good
spark,
If
*
slarj $nappy
spark occurr, tle trouble is apparently nst
in the
ignition coil, coadenser
or breake*
poiuts
el-
tholglr
it
l{ll could
be attributed to
po*
rrndi5on oI spart
plug,
I{
ro spa:k or a
yery
wea}
ryn:}
occurs" ig-
nitioa
trouble ts
indicated,
3?tlt(
PLUe
Ongine
mixfre
or
genorally
pocr
operatiol is ofter caused by spark
plugs
il
poor
condition
or wi& improper
gap
settfug.
ihvays
dean
a:sa
arou:rd
spark
plug
beJo;e
removing
to
pravent
dirt
hom
falliag into eagine,
The
Srst thiag
to
do
a*er
removing
a *park
plug
fu to
carcfully
trote iB
condition
as thts
is
cftea ra h&cator
of
&e
iguitioa uolble.
Plu$r
{an for
various reosoDs. Oftea the
porcelah
insolrtar craclc or
becoucs caated with
oil,
L/
EAT
.{
t
I
t
i