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40
Electrical
System
Tractors,
Lawn
and
Garden
-
110
and
112
5-6
General
Information
SM-2059-{Apr-67)
Maloy-Gene
r
ator
Indic
a
tor
Lamp
Lights
ContinuaZZy
-C
onlinued
No
motor-generator
output.
Check
motor-generator
condition,
pa
ge
15-6.
Socket
leads
not
properly
connected.
Connect
leads
properly,
page
5-3
or
5-4
.
MOTOR-GENERATOR
Motor
-
Generato
r
Fails
10 C
rank
Motor-generator
V-belt
loose.
Tighten
belt.
Motor-generator
sheave
split.
Replace
sheave.
Check
condition
of
belt.
Replace
belt
if
necessary.
Battery
discharged.
Charge
battery.
Check
battery
condition
and
replace
if
necessary,
page
10-8.
Corroded
battery
terminals
and
/
or
cable
ends.
Clean
terminals
and
cable
ends.
Tight
bearing
in
motor-generator
end
frame.
Clean
and
check
bearing
condition.
Replace
with
special
lubricant.
Replace
bearing
if
necessary
,
page
15-12.
Loose
connections
or
damaged
wires.
Tighten
connections.
Repair
or
replace
damaged
wires
,
page
15-2.
Improper
brush
spring
tenSion.
Replace
spring,
page
15-10.
Worn
brushes.
Replace
brushes,
page
15-10.
Ground,
open
or
short
in
either
or
both
field
coils.
Replace
coils
if
necessary
,
page
15-12.
Ground,
open
or
shorts
in
armature.
Check
commutator
condition.
Repair
commutator,
turn
and
undercut
mica.
Replace
armature
if
necessary.
page
15-6.
Defective
solenoid.
Re
place
solenoid,
page
10-6.
Litho
in
U.S.A.
No
Generator
Output
Loose
connections
or
damaged
wir
e
s.
Tighten
connections.
Repair
or
replac
e
damaged
wires,
page
15-2.
Ground,
open
or
short
in
either
or
both
field
coils.
Replace
coils
if
necessary,
page
15-12.
Ground,
open
or
short
in
armature.
Check
commutator
condition.
Repair
commutator,
turn
and
undercut
mica.
Replace
armature
if
necessary,
page
15-6.
Worn
brushes.
Replace
brushes,
page
15-10.
Improper
brush
spring
tension.
Replace
springs,
page
15-10.
Unsteady
or
Low
Generator
Outpu.t
Loose
drive
belt.
Tighten
belt,
page
15-17.
Loose
connections
or
damaged
wires.
Tighten
connections.
Repair
or
replace
damaged
wires,
page
15-2.
Brushes
worn
or
sticky.
Replace
brushes,
page
15-10.
Low
brush
spring
tension.
Replace
springs,
page
15-10.
Commutator
dirty,
out
of
round
or
high
mica.
Turn
commutator
down
and
undercut
mica,
page
15-12.
Excessive
Output
Check
current-voltage
regulator
setting.
Adjust,
repair
or
replace
regulator
if
nec-
cessary,
page
15-15.
Motor-generator
field
circuit
grounded.
Install
new
insulating
waShers,
bushings
or
field
coil
insulation.
Replace
field
coil
if
necessary.
page
15
-12.
Excessi
ve
Nois
e
Defective
drive
sheave
(halves
separated).
Replace
sheave.