MASSEY FERGUSON MF 14 - Page 59

MASSEY.FERGUSON
GROUP
O-SECTION V-PART 4
TECUMSEH
HHIOO & HHI2O EA'G''VES
HIGH
TEN'ISiON
LEAD
IGNITION
TINIT
TERMINAL
COIL
LEAD
FLYWHEEL
L/9,,
IGNITIoN
UNIT
GROMMET
RETAINING
SCREWS
Fig. 12
Turn
center shaft screw to bear
against
crankshaft
end.
Tighten
center screw and flywheel should
pull
loose.
A few
drops of
penetrating
oil on
crankshaft
could
be beneficial.
SOLID
STATE SYSTEM
IGNITION
SERVICE
Refer to
Figs.
12,
13, 14
and 15.
I.
General. The following checks
and explanation
are
all that
this
system
generally
requires.
If
nothing
else is
apparent,
the ignition
unit
must be replaced.
The
parts
of
the
system
are:
A. Ignition
coil.
B. Flywheel.
C.
Ignition
unit.
D.
High tension lead.
E. Spark
plug.
.l-87',
.2
TRIGGER
PINS
MOI.INTING
SURFACE
Fig.
14
2.
Spark
Plug
Check Test
ignition
by using
a test
plug
or hold the
high tension lead terminal Il4" from
the
spark
plug.
Crank the
engine over
rapidly.
If a
good
blue spark
jumps
the
gap,
the ignition system is func-
tional.
If
no
spark is present
make the following
checks: a
through d.
a.
Check
high
tension lead for
a
ground
out or dis-
connect in the ignition
unit.
b.
Check coil lead
and connection to
ignition
unit
terminal.
c.
Nr Gap Checks.
Adjust
the
system so
that
a
.006"
to
.0I0" clearance
exists
between
the ignition unit
and the long
trigger pin in
the flyrvheel.
Fig.
13
T'O GROUND
OHMMETER COIL
LEAD
l
Revised
3/69
Fig.
15