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CHANGING GENERATOR VOLTAGE/HERTZ OPERATION
1. Select the correct rated AC circuit breaker for the model
converting to. Remove the existing breaker and install the
new AC breaker.
2. Reconfigure the AC terminal connections to the new AC
breaker and RED isolation post.
3. Reconfigure the output connections to the AC circuit
breaker.
4. Change the hertz connection on the Battery Charge
Circuit's bridge rectifier.
5. Change the hertz connection on the Exciter Winding
capacitor(s ).
NOTE: Models 6.5 SBCG-614 AND 5.4 SBCG-514 require a
capacitor change. 6.5 SBCG-614 uses capacitor pn#049627
and
the 5.4 SBCG-514 uses pn#046639.
Reference Service Bulletin #263.
6. Shut off the 20 amp panel DC breaker. In the control box
move the #1 dipswitch on the ECU (Electronic Control
Unit) to the corresponding position for the operating hertz
desired. ON for 50 hertz, OFF for 60 hertz. Dipswitches
2, 3, and 4 have no function.
7. The DC circllit Rev-Limiter must be changed.
60 hertz mOdels use pn#052854 antl 50 hertz models use
pn#053082.
8. Open the generators AV breaker and start the engine.
Monitor the AC voltage and hertz.
·
NOTE: No-Load AC voltage output can be adjusted using the
capacitor connections #7, #8, or
#9.
One of either on each
capacitor. Change these connections only with the generator
STOPPED.
9. Close the AC breaker and load test the generator.
AC TERMINAL
CONNECT~ONS
NOTE:
Correctly position the case ground wire (white/green) onto the neutraVground tenninal.
230V/50~
AC BREAKER
1
6
6.5 SBCG #038798
v
5.4 SBCG #038797
5.0 SBCG #039082
4.2 SBCG #038797
ISOlATED
POST
ACTERMINAL
=
N
11
\BOARD
r----------,
I
I
I
I
ROTOR WINDING
I
I
115V/50Hz
0
ISOlATED
POST
11
STATOR WINDING
REV-HI~
ITER
6.5 SBCG #052854
5.4 SBCG #053082
5.0 SBCG #052854
4.2 SBCG #053082
I
I
I
I
I
:m
SBCG GENERATOR WINDINGS
SCHEMATIC
I
.ROTOR WINDINb
STATOR WINDING
l ____
_j
rrn
.
EXCITER WINDING. 9 8
7 .
IDIIf 511Hz
WHEN CHECKING OR REPLACiNG A
0
t
·~0 0
CAPACITOR, CHECK THE RATING ON
THE CAPACITOR ANO REPLACE WITH
6
rrn
. 9 8 7
lOHz 50Hz
bt~?·
THE SAME RATING.
.CAPACITOR
CAPACITOR
30
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