7.
Following the charging system
at idle, press <ENTER> for the
charging system
with
accessory loads. Turn on the
blower to high (heat), highbeam headlights, and rear
defogger. Do not use cyclical loads such as air
conditioning or windshield wipers.
8.
When testing older model
diesel engines, the users need
to run up the engine to 2500
rpm for 15 seconds. You will
view the screen as follows:
9.
Press <ENTER> to look for the amount of ripple from
the charging system to the battery. One of two testing
results will be displayed along with the actual testing
measured.
RIPPLE DETECTED NORMAL
Diodes function well in the alternator / stator.
Or
EXCESS RIPPLE DETECTED
One or more diodes in the
alternator are not functioning
or there is stator damage.
Check to ensure the alternator
mounting is sturdy and that the belts are in good shape
and functioning properly. If the mounting and belts are
good, replace the alternator.
10.
Press <ENTER> key to continue the charging system
with accessory loads. One of the three results will be
displayed along with the actual testing measured.
TURN ON LOADS
AND PRESS ENTER
RUN ENGINE UP TO
2500 RPM 15 SEC.
RIPPLE DETECTED
××.××V NORMAL
NO RIPPLE DETECT
AND PRESS ENTER
RIPPLE DETECTED
××.××V
HIGH
EN - 14
