KYMCO LA30AA, Service Manual

Page: 184 / 213

14
. BATTERY/CHARGING SYSTEM/
A.C. GENERATOR
14-5
MX’er SYSTEM
Turn the ignition switch OFF and check for
short circuit.
If any abnormality is found, check the ignition
switch and wire harness for short circuit .
CURRENT TEST
This inspection must be performed with an
electric tester when the battery is fully charged.
Warm up the engine for inspection.
Connect the electric tester across the battery
terminals. Disconnect the red wire from the fuse
terminal and connect an ammeter between the
red wire lead and the fuse terminal as shown.
Attach a tachometer to the engine.
Start the engine and gradually increase the
engine speed to measure the limit voltage and
current.
Limit Voltage/Current : 13.5 15.5V/0.5A
max. (5000rpm
max.)
If the limit voltage is not within the specified
range, check the regulator/rectifier.
LIGHTING SYSTEM LIMIT VOLTAGE
INSPECTION
Remove the front cover.
Limit Voltage : 14.7±0.4
If the limit voltage is not within the specified
range, check the regulator/rectifier.
PERFORMANCE TEST
RPM
Position
3000 8000
Day 4A 16V 6.3A 16.7V
Night
1.1A 14V
(1.0A min.)
2.1A 14V
(3.7A max.)
Perform this test with a fully charged. battery
REGULATOR/RECTIFIER
MAIN HARNESS CIRCUIT INSPECTION
Remove the front fender.
Remove the regulator/rectifier lock nuts and 5P
coupler.
Connect the electric tester positive (+)
terminal to ground wire and the tester
negative (-) terminal to the battery negative
(-) terminal.
*
Measure the voltage with the electric tester
in the DC range.
*
(-) Terminal
Headlight Wire Coupler