Service Manual
45
GTS 200
Alternator
Alternator
Contents
Alternator
Specifications
45
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Equipment to T
est Alternators
45
. . . . . . . . . . . . . . . . . . . . . . .
Digital Multimeter
45
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
1/2 Amp Alternator
45
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T
est Alternator Output
45
. . . . . . . . . . . . . . . . . . . . . . . . .
Install Stator Studs
46
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Adjust Stator Air Gap
46
. . . . . . . . . . . . . . . . . . . . . . . . .
Alternator
Specifications
Alternator type .
. . . . . . . . .
DC
only
Alternator output* .
. . . . . .
(at
2800 RPM)
not less than
0.5 amps DC (+)
*
Alternator output is determined by flywheel alternator
magnet size.
Note:
Alternator is rated at 2800 RPM. Output is reduced as
engine speed is lowered.
1
2
3
Fig. 105
– 1/2 Amp
• 0.5
amps DC for charging
battery.
•
One black lead from stator
.
• White
connector output
lead.
1. Stator
assembly
2. Black
3. White
Alternator Systems – Troubleshooting
Complaint Possible
Causes
Battery not
charging
•
Engine RPM too low
.
•
Defective battery
.
•
Loose, pinched, or corroded battery
ground leads.
•
Loose, pinched, or corroded battery
charge leads.
•
Open, shorted, or grounded wires be
-
tween output connector and battery
.
•
Damaged battery (shorted battery
cells).
•
Damaged alternator magnets.
•
Defective stator
.
Equipment
to T
est Alternators
The
following equipment is recommended to test and repair
alternators.
Digital Multimeter
Use
a Digital Multimeter. The meter may be used to read
volts, ohms or amperes, and test diodes, when leads are
inserted in appropriate receptacles, Fig. 106.
Fig. 106
– Digital Multimeter
1/2
Amp Alternator
The
1
/
2 a
m
p D
C a
lternator i
s d
esigne
d t
o o
perat
e a
s a
n i
ntegral
par
t o
f th
e e
ngin
e a
n
d i
s s
eparat
e f
ro
m t
h
e s
tartin
g a
n
d i
gnition
system. I
t i
s i
ntende
d t
o p
rovid
e D
C c
hargin
g c
urrent fo
r a 1
2
vol
t b
attery.
1
2
Fig. 107
– 1/2 Amp Alternator
1. Stator
assembly
2. Black
Test Alternator Output
Disconnect
char
ging lead to battery at connector
.
1.
Insert RED test lead into 10 A receptacle in meter
.
2. Inser
t B
LAC
K t
es
t l
ea
d i
nt
o C
O
M r
eceptacl
e i
n m
eter.
3.
Rotate selector to
(DC amps) position.