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Stall Torque Test
Stall Torque Test
T T o o r r q q u u e e F F o o o o t t - - P P o o u u n n d d s s , , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
V V o o l l t t a a g g e e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A A m m p p e e r r a a g g e e
D D r r a a w w , ,
Pinion to Housing Clearance. . . . . . . . . . . . . . .
Pinion to Housing Clearance. . . . . . . . . . . . . . .
Solenoid
Solenoid
Switch
Switch
Pu
Pu ll ll -i -i n n
Co il il . . .
Co
H H o o l l d d - - i i n
n
C
Co o i i l l ,
,
1. STARTER FAILS TO OPERATE
1. STARTER FAILS TO OPERATE
(1) Weak battery or dead cell in battery.
(1) Weak battery or dead cell in battery.
(2) Ignition switch defective.
(2) Ignition switch defective.
(3) Loose or corroded battery cable terminals.
(3) Loose or corroded battery cable terminals.
( 4 ) O p
( 4 ) O pe n ci r
e n ci rcu i
cu it , t ,
switch and ignition terminal on starter relay.
switch and ignition terminal on starter relay.
(5) Defective drive unit.
(5) Defective drive unit.
(6) Defective solenoid or solenoid switch.
(6) Defective solenoid or solenoid switch.
(7) Defective starting motor.
(7) Defective starting motor.
(8) Armature shaft sheared.
(8) Armature shaft sheared.
2. STARTER FAILS AND LIGHTS DIM
2. STARTER FAILS AND LIGHTS DIM
( 1) Weak battery or dead cell in battery.
( 1) Weak battery or dead cell in battery.
(2) Loose or corroded battery cable terminals.
(2) Loose or corroded battery cable terminals.
(3) Internal ground in windings.
(3) Internal ground in windings.
(4) Grounded starter fields.
(4) Grounded starter fields.
(5) Armature rubbing on pole shoes.
(5) Armature rubbing on pole shoes.
3. STARTER TURNS, BUT PINION
3. STARTER TURNS, BUT PINION
DOES NOT ENGAGE
DOES NOT ENGAGE
(1)
(1)
Starter
Starter
clutch
clutch
(2)
(2)
Wrong
Wrong
starter
starter
(3) Broken teeth on flywheel drive gear.
(3) Broken teeth on flywheel drive gear.
(4) Armature shaft rusted, dirty or dry, due
(4) Armature shaft rusted, dirty or dry, due
of lubrication.
of lubrication.
4. STARTER RELAY DOES NOT CLOSE
4. STARTER RELAY DOES NOT CLOSE
( 1) Battery discharged.
( 1) Battery discharged.
(2)
(2)
Defective
Defective
wiring.
wiring.
(3) Neutral starter switch on automatic transmission
(3) Neutral starter switch on automatic transmission
faulty.
faulty.
(4) Check starter relay.
(4) Check starter relay.
(5)
(5)
Check
Check
ignition-starter
ignition-starter
1.
1.
DESCRIPTION
DESCRIPTION
The Chrysler Corporation built starter motor is a 12
The Chrysler Corporation built starter motor is a 12
volt four-coil assembly. The starter drive is an over-
volt four-coil assembly. The starter drive is an over-
running clutch type with a solenoid shift type switch
running clutch type with a solenoid shift type switch
mounted on the starter motor.
mounted on the starter motor.
The brush holders are riveted to a separate brush
The brush holders are riveted to a separate brush
plate and are not serviced separately. Brush replace-
plate and are not serviced separately. Brush replace-
(2) Test circuit resistance and starter current draw.
(2) Test circuit resistance and starter current draw.
(3) Disconnect the positive battery lead from bat-
(3) Disconnect the positive battery lead from bat-
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SERVICE DIAGNOSIS
SERVICE DIAGNOSIS
w i r e
w i r e b e t w
b e t we e n
e e n i g n i t
i g n i ti o n - s
i o n - st a r t e
slipping.
slipping.
pinion
pinion
clearance.
clearance.
switch.
switch.
Between Pinion Stop and End of Pinion
Between Pinion Stop and End of Pinion
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5. RELAY OPERATES BUT SOLENOID
5. RELAY OPERATES BUT SOLENOID
DOES NOT
DOES NOT
(1) Faulty wiring, open circuit wire between starter-
(1) Faulty wiring, open circuit wire between starter-
relay and solenoid terminal and solenoid actuating
relay and solenoid terminal and solenoid actuating
terminal post.
terminal post.
t a r t er r
(2) Faulty solenoid switch or connections.
(2) Faulty solenoid switch or connections.
(3)
(3)
Solenoid
Solenoid
(4) Broken lead or loose soldered connection inside
(4) Broken lead or loose soldered connection inside
solenoid switch cover.
solenoid switch cover.
6. SOLENOID PLUNGER VIBRATES BACK
6. SOLENOID PLUNGER VIBRATES BACK
AND FORTH WHEN SWITCH IS
AND FORTH WHEN SWITCH IS
ENGAGED
ENGAGED
(1) Battery low.
(1) Battery low.
(2) Faulty wiring.
(2) Faulty wiring.
(3) Lead or connections broken inside solenoid
(3) Lead or connections broken inside solenoid
switch cover or open hold-in winding.
switch cover or open hold-in winding.
(4) Solenoid defective.
(4) Solenoid defective.
(5) Check condition of moisture on solenoid con-
(5) Check condition of moisture on solenoid con-
tacts
tacts
(cold
(cold
weather
weather
7. STARTER OPERATES BUT WILL. NOT
7. STARTER OPERATES BUT WILL. NOT
DISENGAGE WHEN IGNITION-STARTER
DISENGAGE WHEN IGNITION-STARTER
IS RELEASED
IS RELEASED
lack
lack
to to
(1) Broken solenoid plunger spring or spring out
(1) Broken solenoid plunger spring or spring out
of position.
of position.
(2)
(2)
Defective
Defective
(3) Defective solenoid.
(3) Defective solenoid.
(4)
(4)
Pinion
Pinion
(5) Solenoid plunger stuck in solenoid.
(5) Solenoid plunger stuck in solenoid.
(6) Insufficient clearance between winding leads
(6) Insufficient clearance between winding leads
and main contactor in solenoid.
and main contactor in solenoid.
(7) Defective relay.
(7) Defective relay.
ment can be made by removing the commutator bear-
ment can be made by removing the commutator bear-
ing end head.
ing end head.
2.
2.
TESTING STARTER
TESTING STARTER
AND CURRENT DRAW
AND CURRENT DRAW
(1) Test battery. If it tests I.210
(1) Test battery. If it t
less, engine at normal operating temperature, charge
less, engine at normal operating temperature, charge
battery.
battery.
EL
EL EC
ECT T RIC
RICA A L L - - IN
INS S T T RU
RU MENT
(4) Remove the bolts attaching the starting motor
(4) Remove the bolts attaching the starting motor
to the flywheel housing and remove the starter motor
to the flywheel housing and remove the starter motor
8 8 . . 5 5
4 4
3 3 5 5 0 0
l/8" plus or minus
l/8"
plus or minus
20.0--22.2 Amps at 6 volts
20.0--22.2
Amps at 6 volts
1 1 1 1 . . 2 2 - - 1 1 2 2 . . 4 4 A A m m p p s s a a t t 6 6 v v o o l l t t s s
switch
switch
contacts
contacts
corroded.
corroded.
conditions).
conditions).
ignition-starter
ignition-starter
switch.
switch.
clearance
clearance
improperly
improperly
adjusted.
adjusted.
CURRENT RESISTANCE
CURRENT RESISTANCE
ests I.210 specific gravity
specific gravity or or
MENT S S
Y32'
Y32'
27
27
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