Service manual
•
Starter
specifications
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16
H.P.
24
H.P.
Code
No.
298783
298876
Type
Solenoid
ilctuilted
with
overruning
clutch
f-.
Nominal
12V
voltage
Nominal
0.8 kW
1.0 kW
output
Direction
of
Clockwise,
viewed
from
rotation
pinion
end
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•
Trouble
shooting
If
the
battery
turns
extremely
slow
or
not
at all,
the
cause
may
lie in the
battery,
wiring
or
the starter The Ilqhts
are.
a very convenient
tool
for
tracing
the
cause
of
thetr-ouble.
Ll<lht nlPlhocJ
The
lise
of
thiS
method,
of
course, assumes
that
the lights
are
fllnctioning
normally
(1)
Liljh15
ar,
,11-'
Probable rallse
Low
hilttery,
faulty
contact
at
one
of
the
connections,
faulty
wiring.
If
the
bilttery
remains discharged hecause
of
a
malefaction
in
the charging
syw~m,
it
should be
correr:ted
before
charging the
battery
to
prevent the
rroblem
from
reoccuring
(2)
With
battery
fully
charged
a)
Symptom
Lights
do
not
light
Probable cause
Battery
terminal
not
properly
connected
b)
Symptom'
Lights
hP.l.nmeextp.mely
dim
when
crank-
inq
the
enqine and starter slows
down
or
stops
Probable cause
• Bad engine (rotatIOnal resistance
too
great)
•
Starter
does
not
turn
satisfactorily.
ArrT)ature shaft
bent
Worn
bushing
Pole core screw loose
*
Field
coil
grounded
or
insulator
short
circuited
*
Armature
coil
grounded
or
insulator
short-circuited
c)
Symptom
Lights
are
brirjht
but
starter does
not
turn
or
turns
very
slowly.
Probable causes
•
Starter
terminal
not
r.onnected
rroperly
*
Solenoid
switch
not
making
contact
*
Solenoid
not
workinq
(coil
grounded
or
insulator
short
circuited)
*
Faulty
starter SWitch
contact
(17)
*
Insufficient
brush
contact
•
Dirty
or
worn
commutator
• Precautions
in
care and
handling
of
starter
motor
(1)
The
starting
motor
must
be installed
properly
for
the
starter
pinion
to
mesh
with
the
engine ring gear
as
it
should.
If
the ring gear and
pinion
do
not
mesh
properly,
the
pinion
and starter housing may be damaged and in
extreme
cases, the starter
may
not
even
turn.
(2)
If
the
starter
switch
is
turned
on and the engine
turns,
but
will
not
start, the cause
is
probably
in
the
fuel system.
Check the fuel I ines and
correct
as
necessary
(3)
In
attempting
to
start an engine, never
use
the startinq
motor
for
more
than 30 seconds at a
time
without
a pause
to
let
is
cool
down.
The
starting
motor
heats
up
very
rapidly
when
used and
if
it
is
used
continously
for
more
than
30 deconds the solder
may
melt
from
the
armature
or
the
coil
or
lead wires
may
melt.
Also,
the
battery
will
be <iischarged
tn
such a <iegree and
won't
have
suffirient
power
fm
another
attempt
at starting. A good
rtlle
10
follow
is
to
crank.
for
10
seconds and pause
for
10
se-
conds. Repeat
until
the engine starts
(4)
If
the
starting
motor
is
too
far
forward,
the
pinion
will
not
mesh
properly
with
the
ring gear and cause rapid
piston
wear. Ad jus t
for
proper
mesh.
(5)
Do
not
turn
the
starter
switch
while
the enqine
is
running.
If
this
is
done,
the
pinion
gear
will
contact
the
Tlng
qear,
which
is
tlHning
with
the
full
force
of
the enqlOe
which
may
cause a
broken
pinion,
bent
shaf.t,
broken
houslOg,
etc.
Glow
Plugs
The
glow
plugs are the sheath
type
with
the
wiring
diagram
as
shown
in
Fig_
44.
/
1.
Glow
plug
2.
Glow
plug
controller
3.
Starter
switch
4. Main
switch
5,
Regulator
6,
Alternator
7.
Battery
8.
Starter
Fig. 44.
Circuit
Diagram
for
Glow
Plugs