Filter
Top Products
-
40
Electrical
System
Tractors,
Lawn
and
Garden
-
110
and
112
10-14
Ignition
System
SM-2059-
(Apr-57)
ADJUSTMENT
ADJUSTING
BREAKER
POINTS
WITH
GAUGE
ADJUSTING
SPARK
PLUG
GAP
Fig.
28-Ad;usting
Points.
110
Tractor
l
)n
It
••
'.
• E
~
,
",
'4
Fig.
29-Ad;usting
Points·
112
Tracto,
Disconnect
spark
plug
cable
to
prevent
ac-
cidental
starting
of
the
engine.
Remove
ignition
point
cover
and
rotate
engine
flywheel
until
points
a
re
fully
open.
Check
point
gap
with
a
0.020-
inch
feeler
gauge.
If
adjustment
is
required
,
loosen
lo
c
king
screw
and
mov
,=
screwdriver
in
V-slot
until
points
are
prop
e
rly
set.
After
tightenin[!,
locking
screw,
recheck
point
gap.
Check
engine
timing
on
110
Tractors
with
timing
light
for
positive
timing.
See
Figure
17.
Fig.
30-Ad;usting
Spark
Plug
Gop
Determine
spark
plug
c
ondition,
pages
10-
3
and
10-4.
Reusable
plugs,
after
being
cleaned,
must
be
regapp
ed.
Distanc
e be
twe
en
el
ec
trod
es
should
be
0.025
inch
on
110
Tractors
andO.030incilon
112
Tractors.
Bend
the
outer
electrode
only
for
prop-
er
gap.
Always
remove
old
spark
plug
r;as
ket
and
in-
stall
new
gasket
whe n
installi!1~
cleaned
plug
back
in
engine.
Gaskets
are
available
at
any
automo-
tive
jobber.
A
new
gasket
is
supplied
with
new
plugs.
Tighten
plug
to
15
to
20
ft-lbs
torque.
CHECKING
COIL
POLARITY
--~C=U
~
~
M
S'OI
Fig.
31-Checking
Coil
PO/Oldy
Li~ho
in
U.S.A.