Volt
15.5
.
.
14.5
_,
13.5
.,
15.32
15.02
Run engine at 2,000
r/min
(rpm) and turn
on headlamps and heater motor.
Measure current and if less than 20A, repair
alternator.
C. Overcharged Battery
1) If an obvious overcharge condition exists
as evidenced by excessive spewing of elec-
trolyte, proceed to DISASSEMBLY under
I
I
I
I
ALTERNATOR SERVICE on
p.
10-6
and
-40°C
0
25Oc 135Oc
check field windings for grounds and shorts.
!-4O“FI
(77’F)
(275*F)
If defective, replace rotor.
b. Load check
Fig.
10-4
If voltage is higher than standard value, replace
IC regulator.
If voltage is below standard value, check IC
regulator and alternator as follows:
Ground F terminal and start engine. Then
measure voltage at B terminal.
Fig.
105
Grounding terminal
‘F”
If voltage is above standard value, replace
IC
regulator.
If voltage is below standard value, check alter-
nator.
10-5