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Guardian Technologies 4582 & 4987 Manual De Usuario

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section 4
engine Dc contRol sYsteM
Page 24
VOLTAGE
ELECTRONIC
REGULATOR
11S
162
0
6
44S
4
6
5
4
3
2
1
BCR2
77A
15
66A
5
6
4
10
12
SSR
9
RESET
RESET
TEST
TEST
18
IM2
SP2
IM1
SP1
PRINTED CIRCUIT
BOARD
CONTROL
12
10
11
9
2
7
8
6
4
5
3
J2
1
J1
15B
83
TR1
0
167
TR2
86
229
44S
11S
ACTUATOR
GOVERNOR
0
0
44C
22
11C
22
C.B.
0
0
0
0
22
22
22
44D
11D
44B
11B
11B
0
11A
44A
22
20A
C.B.
20A
30A
C.B.
30A
C.B.
30A
C.B.
50A
C.B.
30A
C.B.
FIELD
0
167
SW1
BATTERY CHARGE WINDING
55A
10A BATTERY CHARGE WINDING
77
55
11S
11
22
44
44S
66
77A
66A
6
2
4
0
C1-12
C1-11
C1-7
C1-6
C1-1
C1-2
C1-4
C1-9
C1-8
C1-10
C1-5
C1-3
77
66
BCR1
13A
CB2
83
167
229
15B
0
86
SW2
FSS
LOP
0
15
17
0
17
15
0
0
86
14
C2-8
C2-3
C2-4
C2-10
C2-5
C2-7
C2-1
C2-2
15
C2-12
0
0
16
SC
BATTERY
BLACK
RED
SC
SM
12V
CB1
15A
0
C2-6
C2-11
C2-9
13
13
F1
SCR
229
14
15B
18
0
15
15
15
0
0
0
167
15
15
86
0
14
17
18
13
13
16
14
14
14
14
86
13
15
15
15
15
15
15
15
15
14
18
18
167
167
86
86
4
4
162
11S
44S
22
11
0
44
11
0
22
44
11
0
22
44
11
0
22
44
44
77A
77
66A
66
77
0
2
2
2
6
6
6
11S
4
0
44S
RED
BLK
BLK
83
0
0
0
0
0
229
15B
15
15
15
0
17
17
4
SCR - STARTER CONTACTOR RELAY
SW1 - START-RUN-STOP SWITCH
SSR - START / STOP RELAY
SP2 - SPARK PLUG, CYL. 2
SP1 - SPARK PLUG, CYL. 1
SM - STARTER MOTOR
SC - STARTER CONTACTOR
R1 - 25 OHM, 25W RESISTOR
IM2 - IGNITION MODULE, CYL. 2
FSS - FUEL SHUT OFF SOLENOID
CB1 - 10AMP AUTO RESET BREAKER
LOP - LOW OIL PRESSURE
IM1 - IGNITION MODULE, CYL. 1
GND - GROUND BAR
F1 - 10A FUSE
D2, D3 - ENGINE SHUTDOWN DIODE
BA - BRUSH ASSEMBLY
LEGEND
120/240V
50A
TWISTLOK
TWISTLOK
120V/30A
TWISTLOK
120V/30A
DUPLEX
120V
120V
GFCI
30A
120/240V
POWER WINDING
DPE WINDING
I.C.T.
I.C.T.
I.C.
R1
D1
TB1
TB2
D2
D3
12Vdc
BA
CB2 - 5AMP AUTO RESET BREAKER
D1 - 600V 12A DIODE
BCR2 - BATTERY CHARGE RECTIFIER
BCR1 - BATTERY CHARGE RECTIFIER, 10A
I.C.T. - IDLE CONTROL TRANSFORMER
SW2 - IDLE CONTROL SWITCH
TB1, TB2 - TERMINAL BLOCK
13
14
13
= 12 VDC SUPPLY
= 12 VDC CONTROL
= AC POWER
= GROUND
= IDLE CONTROL TRANSFORMER OUTPUT
CIRCUIT CONdITION - RUN:
Once the engine has started the Start-Run-Stop Switch (SW1) is released and will be in the run position, at this 
point  SW1  is  not  activated. This  action  will  de-energize  the  Starter  Contactor  Relay  (SCR)  causing  the  Starter 
Motor to disengage.
Printed circuit board action keeps Wire 229 held to ground this action holds the Start-Stop Relay (SSR) energized. 
With  the  SSR  energized Wire  14  maintains  12 VDC  to  the  Fuel  Shutoff  Solenoid.  Once  the Voltage  Regulator 
starts functioning the field boost circuit is no longer a factor in operation. With the SSR energized Wire 15B main-
tains 12 VDC to the printed circuit board. With the SSR energized Wire 18 is not grounded and the magnetos con-
tinue to produce spark.
The  two  independent  battery  charge  windings  are  now  producing  AC  voltage  and  supplying  this  to  BCR1  and 
BCR2. The AC voltage is rectified through BCR1 and used to supply DC voltage to the 12 VDC accessory outlet. 
The AC voltage is rectified through BCR2 and used to supply DC voltage to the battery for battery charging.