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You MUST allow voltage to stabilize
for an accurate test. If, voltage is low,
tester will start a one minute clock to
ensure proper test.
Rev the engine to governed speed
for 10 seconds. If no results appear
press (Y Enter).
>START ENGINE.
SET IDLE AT
ABOUT 1000 RPM
'N' TO CANCEL
>ALLOW VOLTAGE
TO STABILIZE.
14.20V
'Y' TO BEGIN
>REV ENGINE TO
GOV. FOR 10 S.
'N' TO CANCEL
Make sure all is clear. Start engine
and run at fast idle - 1,000 RPM.
STANDARD ALTERNATOR TEST RESULTS
Connect the single alligator clip
from the AC-26 J1708 cable to the R
terminal on the alternator.
>CONNECT R CLIP
TO THE R TERM
ON ALTERNATOR
'Y' TO CONTINUE
Output terminal adapter utilized
ALTERNATOR BENCH TESTING (Cont.)
BENCH BATTERY OR
CABLES ARE
DEFECTIVE.
'Y' TO CONTINUE
BENCH BATTERY IS
LOW, CHARGE OR
REPLACE.
'Y' TO CONTINUE
ENTER RATED
ALTERNATOR
OUTPUT: 100A
“Y” TO CONTINUE
TURN MOTOR SWITCH
TO FWD.
'Y' TO CONTINUE
If the bench battery is too weak or if the
cables or leads of the bench have too
high of a voltage drop then the battery
and/or cables will need to be serviced
before continuing with the alternator
test.
If the bench battery is discharged then
charge or replace the battery before
continuing with the alternator test.
Set the rated output of the alternator.
The rated output is sometimes marked
on the alternator, if it is not marked on
the alternator check the manufacturer’s
documentation.
Turn the bench motor on to spin the
alternator. If the nut to hold the pulley
on the alternator has right-hand threads
then by turning the motor forward the
chances of the pulley coming loose
during the test will be reduced.
FLIP BATTERY
SWITCH TO
ALTERNATOR.
'N' TO CANCEL.
CHECKING BENCH
BATTERY
PLEASE WAIT . . .
TURN OFF OR
DISCONNECT
CHARGER.
'Y' TO CONTINUE
The BCT 200J will check the bench
battery to ensure that it is charged and
sufficiently good to continue with the
alternator test.
If the battery has a charger connected
to it the charger must be turned off or
disconnected to continue with the
alternator test.
