Regulator-Rectifier With Charge Indicator - Briggs & Stratton Twin Cylinder L-Head Repair Manual

7
are clean and secure. If there is still no or low
output, replace the regulator-rectifier.
Testing Regulator-Rectifier
16 Amp System
To avoid blowing fuse in meter when testing DC output
of 16 Amp system the DC Shunt, Tool #19359, is
required.
The DC Shunt must be installed on the negative (-)
terminal of the battery, Fig. 26. All connections must be
clean and tight for correct amperage readings.
1. Install shunt on negative battery terminal.
2. Insert RED test lead into
meter and connect to RED post terminal on shunt,
Fig. 26.
3. Insert BLACK test lead into COM receptacle in
meter and connect to BLACK post terminal on
shunt.
4. Rotate selector to
5. With the engine running at 3600 RPM. The output
should be:
Fig. 26 – Testing Regulator-Rectifier
16 Amp System With DC Shunt
* 3 – 16 Amps – 16 Amp System
* Depending upon battery voltage and/or current
draw on system.
12
receptacle in
position.
RED
TEST
CLIP
BLACK
TEST
CLIP
6. If no or low output is found, be sure that regulator-
rectifier is grounded properly and all connections
are clean and secure. If there is still no or low
output, replace the regulator-rectifier.
Regulator-Rectifier
With Charge Indicator
Regulator-rectifier Part #493219 is used by some
equipment manufacturers that have a charging indica-
tor light instead of an ammeter. In addition to the red
DC output wire, the regulator-rectifier is equipped with
a blue wire which is used to activate a charging
indicator light when battery voltage is below 12 volts.
The charging indicator light should light when the key
switch is in the ON position; engine not running. With
engine running, the charging indicator light should go
out, indicating that the charging circuit is operating,
providing that battery voltage is above 12 volts.
The charge indicator light and all wiring is supplied by the
equipment manufacturer. See typical wiring diagram,
page 13.
DC charging output values and test procedures are the
same as those listed for the 10 amp or 16 amp system.
RED WIRE
AND RAISED RIB
INDICATES
DC OUTPUT
BLUE WIRE
CHARGING
INDICATOR
WHITE OUTPUT CONNECTOR
Fig. 27 – Part #493219 Regulator-Rectifier