MASSEY FERGUSON MF 14 - Page 87

IGNITION
UNIT
I{IGH
TENSION
LEAD
IGMTION
GROMMET
uNrr-4-ll
TERMINAL
COIL
I,EA
FLYWHBEL
RETAII"{ING
scREws
Solid State
Svstem
Iqnition
System
parts
are:
(1)
Igni-
tion
coil,
(2)
flywheel,
(3)
igni-
tion
unit,
(4)
high
tension lead
and
(5)
spark
plug.
A. Spark Pluq
Check
-
Test
igni-
tion by
using
a test
plug
to
hold
the
high
tension lead
terminal
I/B
inch from
the
spark
plug.
Crank the engine
over rapidly.
If
a
good
blue
spark
jumps
the
9ap,
the igni-
tion system
is functional.
(see
Fig.
5)
.
1.
If no spark
is
present
c.
Check high
tension
lead for
a
ground
out or disconnect
in the
ignition unit.
Check coil
lead and
connection
to igni-
tion
unit
terminal.
Air
gap
checks.
Ad-
just
the system so
that a
.006/.010
"
clearance
exists bet-
ween
the ignition
unit
and
the long
trigger
pin
in the fl1nrvheel.
(see
Fig.
6)
.
(1)
To adjust,
loosen
the retaining
screw
and move
unit
to
find
pro-
per
gap.
a.
b.
6
RETAINING
SCREWS
IGNITION
UNIT
SET
GAP
.006"
lo-T
d't'
LONG TRIGGER PIN
SHORT TRIGGER
PIN
.,;.G
(---.--
I
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ill